Discone Preamp

The Weather Satellite Antenna, model UC-1374-531 is a +4 dBic Quadrifilar Helix (16 cm/6" OD x 62 cm/24. As the ham radio hobby has evolved, MFJ has continued to develop new products to meet the needs of amateur radio enthusiasts. Welcome to the RM Italy Store! Would you like to log yourself in? Monthly Specials For November. Chalk up another victory for my cheap Radio Shack discone! During the 8 year course of ownership of this antenna, it has survived tropical storms and hurricanes in Florida, blizzards and 'noreasters in Rhode Island and most recently my little discone acheived another victory; surviving a direct hit from Hurricane Ike. Remote controlled pre-amplifier 1942 Oct 1 Resistance capacity oscillator 1942 Nov 1 Resistance networks solved by successive approximation 1942 Nov 4 Salvage-the wireless contribution 1942 Feb 3 Short wave service interuptions 1942 Jun 1 Silent keys 1942 Sep 8 Slouch hats and forage caps 1942 Jan 6 Slouch hats and forage caps 1942 Feb 5. The University of Kent's hackerspace, TinkerSoc, recently had a talk on software-defined radio using an incredibly inexpensive USB TV tuner. Details for the AIS receiving station Yokohama and reception statistics Comet DS747-Pro discone antenna, 26db preamp and Win8. Get great deals on eBay!. Preamp LNA for HF SDR. Go the small Discone and the filter preamp box temporarily mounted on the tower next to the existing big Discone. SkyScan V1300 Desktop Scanner Antenna RG58 Coax BNC Plug Ultimate airband aerial. You will often pick up the weaker signals overlooked by a discone with the J-Pole antenna. The UK leading Supplier and Distributor of Communications Equipment. Super Wideband Omnidirectional Antenna, Excellent for receivers - ~Antenna, discone, 100Mhz-3. This is a great addition for those. The antenna preamplifier uses 12-15 VDC at 150 milli Ampere. 5dBi Polarization Vertical. A discone antenna derives its name from its unique appearance. Find many great new & used options and get the best deals for Icom Ag-25 144mhz Low-noise Preamplifier Mast Mount at the best online prices at eBay! Free shipping for many products!. I want to build a new transmit antenna but how do I know how much power I need to make the ERP limit? The ON4KST "kHz" logger / chat: a game changing tool in the pursuit of MF and LF QSO's. 14 KB; Binaural Basics. A simple scanner can give you as a prepper, a whole lot of info about what is going on around you. Antenna mounted pre-amplifiers are always preferred as they amplify the signal at its strongest point. Just did this with a "bank" of 10 scanners/receivers, a few 4-port splitters and some additional downline preamps. It looks like the Superadio external. I don't have a preamp. Figure 7 shows the LST variation in a band from 150. uk 01922 414796, for all your radio needs. The EWPA-5200LL is specifically designed to accommodate the needs of users with specialty antennas like the Discone, Yagi or log periodic. This is not the first time I have bought this antenna and the price for this one is the lowest I have seen. Too much intermod from local paging sites. 630-meters: Setting The Record Straight About This Amazing Band. At last, there is the discone antenna. I want an antenna with 40 through 6 meter bands, including the WARC bands. Coax and hardware not included. Search for amateur radio and related product by product type, brand, category, and price. 95 Out of Stock : DTG : HUSTLER DTG: DUAL RTG27L CLAMP MOUNT W/CO-PHASE HARNESS $45. The antenna is composed of a disc shaped radiator on top of a cone shaped ground plane. Now all you have to do is wait for a satellite to pass over. In addition, specific models mentioned in the Antennas forum Like diamond antennas,comet, yaesu, icom, watson cushcraft, MFJ and more are here for future reference. No radio enthusiast will be unhapopy with an another antenna, or anything listed. 36 thoughts on " Steal This Ham Radio (Technology I have a couple of digital scanners and they work just about the same with a telescopic whip as they do with the discone and a preamp. Antenna Warehouse Super Discone. 1-2000MHz RF WideBand Amplifier 30dB High Gain Low Noise LNA Amplifier: Amplifiers - Amazon. These designs are reprinted with the permission of Kent England WA5VJB. Remote controlled pre-amplifier 1942 Oct 1 Resistance capacity oscillator 1942 Nov 1 Resistance networks solved by successive approximation 1942 Nov 4 Salvage-the wireless contribution 1942 Feb 3 Short wave service interuptions 1942 Jun 1 Silent keys 1942 Sep 8 Slouch hats and forage caps 1942 Jan 6 Slouch hats and forage caps 1942 Feb 5. A preamp driving the line at a higher level will waste power, produce unnecessary noise, and cause unnecessary distortion. Less height deteriorates VLFMW reception, more height deteriorates SW reception due to worse grounding (cable resonances). Model # Wideband Discone. Mounting Brackets, and Stacking Booms. Due to its magnetic base this aerial can be static mounted onto your vehicle and draw in those signals you cant pick up with a smaller antenna. with a funcube dongle and a roof mounted discone antenna with the lowest frequency at the low end of the air band. Depending on which you choose, our line of versatile discone antennas gives you the ability to cover Amateur Radio, public safety, commercial 2-way, cellular, air traffic control, and various ultra-frequency bands. Hustler (DCL) Discone Base Station Antenna for Scanning - Covers 40-950MHz Scanner Accessories Product Features: Ideal for scanning public service, aircraft, mobile and telephone frequencies. Be the first to review this product!. Buy and sell Used Ham Radio Equipment, Try Radioworld UK for low prices great quality,fast delivery on Used Ham Radio Equipment, Mfj,Yaesu,kenwood,icom,alinco,And more. The collinear antenna shows a dramatic improvement over the discone. We may want to try a Textronix RSA spectrum analyzer or Agilent spectrum analyzer to see how it performs for a comparison. This is a great working scanner antenna, mine is just 30 feet off the ground 15 foot above the shed in my backyard and I receive signals from a police department 100 miles from my house, airplanes 200 miles from my house tracked and located from flight radar. Due to its exceptional combination of performance and price, the RSP1 has proved to be a very popular choice as an “entry level” SDR receiver. Wide-band discone antenna working on 25-1300 MHz in reception and on many amateur frequencies in transmission (2m, 1 1/4m, 70cm, 33cm). For wideband reception, use VHF Discone 26-1200 MHz. To go beyond the special antennas operating over a decade or more, are of log-periodic antenna, the antenna or similar discone, the helical antenna platform, etc. I get great reception on 11 meter (CB) and VHF (marine) bands. DCX Base Discone Antenna 40-999 MHz: MOG Gutter Mount Antenna 30-50, 130-174, 450-512 & 800-950 MHz. Best Amateur Radio VHF/UHF Antenna. At last, there is the discone antenna. I'm using RG6 quad shield coax with my D130J discone and I was wondering if adding a preamp (like the ones used for TV antennas) would help by boosting the signals to over come the loss with the coax and/or boost the weaker signals so they would come in better. The design is composed of two broadband discone -type antennas (75–7075 MHz), a single-pole double- throw (SPDT) switch to select the desired antenna, several filters to remove undesired out-of-band and overloading FM signals, a low-noise preamplifier to enhance … is connected to a laptop via Ethernet and controlled by a tailor-made software based on Matlab’s…. THE QUESTION BOX wrote in message oups. Put them on top of a metal (!) mast appr. thinking Discone or Double Discone with an N connector and 50' - 75' 9913 coax cable run. That's a lot of noise: it was 18 dB. Free Home Delivery. You tune your radio to the desired frequency, then you tune the preselector to peak the signal. Forget that! I've got the CM-3414 for antenna TV. The RFP 2SC2879 Transistor (Toshiba 2SC2879/2SC2879A equivalent) is now in stock! August and September purchases are limited to 4 per order. D130J Super Discone Antenna The D130J Super Discone Antenna is an ultra-wideband antenna covering amateur radio, commercial 2-way, cellular, air traffic control and various utility frequency bands. For LW and MW and 80m I use a home-made loop aerial about a meter square mounted on a pole away from the house and CAT5 cables. The AMSAT preamp is a MAR7 device preamp and good to 500 MHz (at least, probably higher). com FREE DELIVERY possible on eligible purchases. Here is a photo of the K3RRR Satellite Attic Contraption after installation. With a BNC Plug on one end and BNC socket on the other, the unit will fit on top of a handheld scanner or in line for use with a base receiver. Diamond D130J Super Discone Operating Manual The D130NJ Diamand Super Discone requires one of the following Coax Cables to connect from the antenna to the scanner. Details about Radio Scanner Antenna Double Discone Desktop with RG58 Coax + BNC Plug. diamond antenna mounts technicolor router password teamviewer disable comment window popular headcanon public speaking skills ppt asus aura alternative mt6572 scatter file 2016 gsxr 750 specs how to upholster a casket outlook vba examples lycamobile iphone 4s vps avenger vst free download kure beach extended weather forecast ep start time how to test a high voltage transformer. At 2 feet above ground found a pre-amplifier to be unnecessary. 95 SCANMASTER' ACTIVE Discone As above with 20dB pre -amp. Additionally, it is always preferable to mount the antenna to a mast or crossbeam and avoid letting the antenna touch the floor. 95 Special Order : No Image Available: F3W : HUSTLER F3W: CB ANT FIBERGLASS 3/8 24TD 39" WHITE. Used silicon to seal behind and on top of. J-Pole scanner antennas are solidly constructed out of copper tubing for unmatched ruggedness and reliability. HF/VHF BROADBAND DISCONE ANTENNA, MODEL BDA-230/A. preamplifier circuits in the HD)( models will provide the same high level of performance even in the presence of strong broadcast station signals! The EWPA is a very high performance. Only 15 left in stock - order soon. Was an avid short-wave collector in my teen years. To submit a review, please Login. ") You can buy the Austin with a built-in preamp which is particularly effective in low signal noise areas. Radio Scanner UBC75XLT Uniden Bearcat Airband Marine 300 Channel with Close Call. add a preamp. Its around 15ft of rg58 from discone antenna to the Optima,(gain turned to about 60/70%) then a patch lead of rg58 around 4ft to the scanner. com, user cyfus has created an instructable showing how to build a 55 MHz+ home made discone antenna for his RTL-SDR dongle. It’s possible to use 1-inch ladder line on 2 meters but you also need a 1:1 choke balun and a tuner, both designed for VHF. Diamond D130J Super Discone Operating Manual The D130NJ Diamand Super Discone requires one of the following Coax Cables to connect from the antenna to the scanner. How to weather-seal an upside down Tailtwister rotor? 3. Buy HiLetgo 0. 4m coaxial cable with BNC connectors are included. with a funcube dongle and a roof mounted discone antenna with the lowest frequency at the low end of the air band. Discone vs a J-Pole Scanner Antenna. My initial test was placing it in line with my scanner, a Realistic Pro 2006, connected to a VHF UHF discone antenna at 10m. The FAA has used discones at airports for many years. The fellow who advised you to have a preamp was correct. Summary: ultimately, I must conclude that Uputronic's Wideband Preamp is the best external preamp available for radio enthusiasts for general use. Note that the preamp has been moved to the rotator mount so it doesn't move, the jumper cable is now LMR400 Flex and that I had to add another 2′ of PVC to the mast to clear the rafters and the 9:1 balun endfed and noise antenna for the MFJ-1026. I grew tired of replacing the preamp every 1-2 years due to lightning damage (in spite of having a surge suppressor in line). The new Uniden UBC75XLT is a compact 300 channel handheld scanner, ideal for listening to events as they unfold e. Both Keysight FieldFox and Cityscape stations quickly overloaded when the gain level of the preamp are increased (due to the strong wideband RF energy coming from the outdoor discone antenna). galaxy, cobra, connex, 10 meter, 11 meter, linear amplifier, hot wheels, cb radio, ham radio, microphone, astatic, uniden, super star, coax, electrical, cable. John Wagner's Shortwave Tips & Tricks. Subpages (17): 1. The Centerfire VHF Air Band Base Station Scanner Antenna is specifically designed and cut to only receive the VHF aircraft band (108 – 136 MHz). No radio enthusiast will be unhapopy with an another antenna, or anything listed. The SDRplay RSP1A is a major upgrade to the popular RSP1 and is a powerful wideband full featured 14-bit SDR which covers the RF spectrum from 1 kHz to 2 GHz. 7 MHz) and at this frequency, the antennas were very closely matched as assembled “out of the box” (see Table 1 ). What is the best type of outdoor scanner antenna for a mountainous area for 800mhz digital trunked frequencies? I never realized there were so many different types of antennas until I started looking for one. A preselector is a sort of antenna tuning device. GigaParts - Your trusted source for Amateur Radio, Computers and More!. Try to make the attenuation of level from source which has the best possible audio, to your power amp as simple as possible, and if you can also remove as many contacts where the audio signal passes. with preamplifier / rf speech processor. Analog antennas were made redundant by satellite and cable TV solutions, and then the digital age of online streaming. An Adcock ( Wiki ) arrangement of verticals also has this null property. The manual boast of the receiver system is a multi-mode, quadruple conversion superheterodyne covering 100 kHz to 30 MHz with a CPU controlled, 10 Hz step VFO with 100 Hz display resolution. Built with the VHF/UHF weak signal operator in mind, the IC-9700 is an RF direct sampling receiver for 2m and 70cm. 82 KB B; BIOS Data Area Information. It is also important to use amplifiers designed for high ambient temperatures. discone or double discone? 10. It will operate effectively on broadband or narrowband antennas. The 5-year warranty on Icom amateur radio transceivers (one year warranty on all Icom batteries and all accessories) shall not apply to customer-caused damage, such as by overvoltage, reverse polarity, moisture or water intrusion, excessive duty cycle, or to neglect or accidental or intentional or unintentional damage, transmitting into >2:1. Fitted band pass filters for much improved performance. Latest News Visit Eylex at MilCIS 2019: Stands 9 and 10. NOW SHIPPING!! ICOM IC-9700 All Mode, Direct Sampling Tri-Band Transceiver 144, 430/440 And 1200MHz. The antenna preamplifier uses 12-15 VDC at 150 milli Ampere. A preamp is simply a way to make your existing antenna "active. But the Lindenblad often outperforms my GP and discone if the stations are distant and not line of sight. This is a great addition for those. Any thoughts ? Pro-2005 BC796D on order Steve--Remove "zz" from e-mail address to. At the upper end of the Discone’s range the pattern can get a bit squirrelly, but. Your valuable opinion : Avg. We are providing facility to choose and purchase online radio scanner, digital and VHF scanners for Sale prices as per your choices in Australia, Sydney. Because they are wideband devices, these dongles are limited by their dynamic range much more than their sensitivity. Discover amazing local deals on Ham radio for sale Quick & hassle-free shopping with Gumtree, your local buying & selling community. Welcome to the Scanner Antennas page. Featuring an incredibly low noise figure of 0. 300 channels in 10 banks. It’s all in the numbers. Super Wideband Omnidirectional Antenna, Excellent for receivers - ~Antenna, discone, 100Mhz-3. The second preamplifier is a spare and may be switched in to back up the operating preamplifier in case of failure. Can get aviation traffic from nearby flying school, plus marine channels from water taxi & kayak tour operators in the Abel Tasman Park. Lot's of easy home made projects for radioamateurs, swlhomebrew special antenna's, receivers, converters, power amplifiers, electronical kits, amplifiers, transmitters and lot's more. Including Indy ch 13. Indentical to the DCX discone, but includes 50' feet of RG-58/U coax with a PL-259 on one end and a BNC connector type on the other end. My discone sits on top of 2-10 foot mast. Ideal for 6/2/11/4 Meters, 70/33/23 CM ham bands. It'll cover everything the scanner can hear. As you go up in frequency the relative size verses the wavelength becomes larger and you get higher gain but the radiation angle also goes up. Dallas Antenna can also set it all up for you! We offer other services including low voltage wiring installation, structured wiring, pre wiring, security cameras, and more. Be the first to review this product!. Hi-Q-6/160 RT MC-3H HF Mobile antenna on the top of my carport with ONLY an 8’SS whip and NO CapHat. New products. Sono appassionato di radioascolto fino dagli anni 90 e voglio utilizzare questo blog per condividere le mie esperienze sul magico mondo della radio. Best base antennas for base mobile fire and police radio scanner. The main category is RTL-SDR Dongle that is about RTL SDR dongles. add a preamp. Forget that! I've got the CM-3414 for antenna TV. Having a preamp (or distribution amp) right at the antenna reduces the entire system noise figure by the value of the insertion loss of the long cable. The antenna is composed of a disc shaped radiator on top of a cone shaped ground plane. A simple scanner can give you as a prepper, a whole lot of info about what is going on around you. Discone Design Using Simple N-coniiector Feed West Lafayette Discone Design Using Simple N-coniiector Feed Theodore S. The next question is what antenna to use. It will operate effectively on broadband or narrowband antennas. Selectable modes include narrowband mode (113) and spread-spectrum mode (111), or cellular mode and microcellular mode. The D130J Super Discone Antenna is an ultra-wideband antenna covering amateur radio, commercial 2-way, cellular, air traffic control and various utility frequency bands. Hi-Q-6/160 RT MC-3H HF Mobile antenna on the top of my carport with ONLY an 8’SS whip and NO CapHat. The feedline isnt ideal, calculated loss is about 2. Scanner and Amateur Radio WideBand StainlessSteel Discone Base Antenna ~Antenna, discone, I think this is an ICOM which is also a TX antenna too. We try and keep a fresh inventory of used equipment. Because they are wideband devices, these dongles are limited by their dynamic range much more than their sensitivity. Discone antenna SIRIO SD 1300 N, wide-bande in reception from 25 to 1300 Mhz and the radio amateur bands in emission on 50Mhz, 144Mhz, 430Mhz and 1200Mhz with female connector and a size of 1,6m. It is an ideal antenna for most situations and will provide years of service due to its high quality stainless steel construction. A cheap and cheerful solution is to place the preamp and power supply in an electrical junction box, add a switch for On/Off, place the preamp right at the antenna, and turn on power when you need it. Super Wideband Omnidirectional Antenna, Excellent for receivers - ~Antenna, discone, 100Mhz-3. the sine and cosine-integral functions Si(x) and Ci. Police Scanner Antenna Basics. Not a competitor, as LNA is integrated into RTL-SDR dongle, is a FlightAware Pro Stick:. I have set up one of the std. THIS is why a MAST mounted preamp works wonders however finding a realy broadbanded one can be a problem 20 db of preamp gain at the antenna means you can hear things 10 TIMES as weak. On the HFN HAM ALE. Specialising in new & used Ham (Amateur) Radio, Commercial Two-Way Radio, Marine & Aviation equipment. Scanners are used by a variety of industries from air traffic control, emergency services through to security guards and taxi drivers. Base Station Antennas. This is a simple and almost free way to improve your scanner antenna for better reception. In addition, specific models mentioned in the Antennas forum at RadioReference are linked here for future reference. Flex Charger Series provides an effortless way to charge batteries in-field. Get the best deals on HF Ham & Amateur Base Station Radio Antennas when you shop 1411 Tram(R) Scanner 25MHz-1,300MHz VHF/UHF Super Discone 50 Ohm with Preamp. Understanding Shortwave Antennas: Page 15 Above Shortwave: The Discone VHF/UHF Scanner Antenna. Its around 15ft of rg58 from discone antenna to the Optima,(gain turned to about 60/70%) then a patch lead of rg58 around 4ft to the scanner. Now 800 MHz systems 30 miles away come in XTAL clear. Over on instructables. It was known for its strong emphasis on technical articles and for the lengthy editorials in each issue by its founder and publisher, Wayne. The NTi CPI3000DP power inserter (shown above right) is included. The antenna is rated for 200 watts of transmit on 144 mhz, 220 mhz, 440 mhz, 900 mhz, and 1. The wide vertical beamwidth of discone antennas allows clear communication for ground and ground-to-air applications. An antenna constructed from separate elements is lighter and more cost effective to construct. A preselector is a sort of antenna tuning device. Find super scanner antenna and linear amplifier from a vast selection of Radio Communication. 024 MHz Rtl-SDR R820T with 70cm Filter and Diamond X50 Antenna 40m above ground. It looks like the Superadio external. It is often difficult to assess the actual amount of attenuation, but it may mean that an antenna with a larger gain is required, or possibly a pre-amplifier may be needed. 25-3000MHz WIDEBAND DISCONE 67" w/N CONNECTOR. A quick video showing the performance improvement using a Super Amplifier on my PSR 800 scanner- head to head comparison of reception with and without amplifier. It features a superior construction and tough materials to withstand outdoor conditions. After a month of tests, we have a product that will leave you puzzled some and excited others to be able to have this type of antenna;. To go beyond the special antennas operating over a decade or more, are of log-periodic antenna, the antenna or similar discone, the helical antenna platform, etc. The ARRL Antenna bookhas an interesting article about 'HF Discone Antennas' including some historical facts. 17 KB; Balun Designs for Wireless - Mixers, Amplifiers and Antennas. This feeds all coax, rotator cables, antenna selector controller cables, Pre-amplifier power, GPS and so on. That is their design intent. The antenna preamplifier uses 12-15 VDC at 150 milli Ampere. We're back with a a huge range of Smart Home, Security, Gaming, AV, Computing, STEM & more. Find Preamp Input Transformers related suppliers, manufacturers, products and specifications on GlobalSpec - a trusted source of Preamp Input Transformers information. No product specials are available at this time. It only takes a few minutes to process your order, and we can help you choose the right products for your purposes. What others are saying It is very easy to create a simple wave dipole, all you need is some lengths of wire such as the core of some mains flex or even a straightened out metal coat hanger, some co-ax cable and a con…. Tuners, Preamps & Splitters _ Microphones & Boomsets _ Audio & RF Filters _ Meters & Test Equipment: RTTY-FAX Decoders _ Towers & Tripods: Clocks: Morse Code Keys & Keyers: Equipment Protection Devices: Citizens Band Radios [CB] _ Cable, Coax & Wire: Citizens Band Antennas: Headphones: Personal Communications [FRS/GMRS] Speakers _ Commercial. Get the best deals on HF Ham & Amateur Base Station Radio Antennas when you shop 1411 Tram(R) Scanner 25MHz-1,300MHz VHF/UHF Super Discone 50 Ohm with Preamp. An antenna constructed from separate elements is lighter and more cost effective to construct. At the upper end of the Discone's range the pattern can get a bit squirrelly, but. Magnetic field signals are intercepted by the 0. In addition, specific models mentioned in the Antennas forum Like diamond antennas,discone antennas, airband antennas, vhf antennas, uhf discone and more are here for future reference. Tuners, Preamps & Splitters _ Microphones & Boomsets _ Audio & RF Filters _ Meters & Test Equipment: RTTY-FAX Decoders _ Towers & Tripods: Clocks: Morse Code Keys & Keyers: Equipment Protection Devices: Citizens Band Radios [CB] _ Cable, Coax & Wire: Citizens Band Antennas: Headphones: Personal Communications [FRS/GMRS] Speakers _ Commercial. The Telewave ANT260KT Wideband Discone Antenna 75 MHz-3 GHz, is an extremely rugged, wideband discone antenna for all frequencies between 75 MHz and 3 GHz. Model BDA-230/A is similar to Model BDA-210/A but the frequency range of operation is from 2 to 300 MHz. Unlike your average home radio, radio scanners cover a wider frequency range and can receive and transmit information. The AMSAT preamp is a MAR7 device preamp and good to 500 MHz (at least, probably higher). Home • Products • Technical Info • Sample Photos • Warranty • Dealers • Contact Diamond Antenna Products Monoband - Dualband - Triband - Repeater - Discone - Yagi. rar (880kb) 70cm WBFM transceiver for packet radio by YO5CRI in PDF - 70cm. They will also cause very strong signals to bleed and overload the receiver front end of your scanner. The EWPA-5200LL is specifically designed to accommodate the needs of users with specialty antennas like the Discone, Yagi or log periodic. The SA3000 is an unconventional discone design intended for mast mounting. Different discones have different shapes and sizes and some have an additional vertical element that sits above the main antenna. Discone Antenna for RTL SDR Posted on March 25, 2016 Posted in Antenna I have been getting into software defined radio via RTLSDR and found the stock antennas woeful for reception and picked up a tonne of noise from my LCD and laptop - though it's hardly surprising. Since then we have become the largest manufacturer of Amateur, CB, and Scanner antennas and accessories in the UK We are also the largest local authorised dealer for Alinco, Kenwood, Icom, Yaesu and Wouxun. In itself the Beverage is a fine solution to low band reception. My initial test was placing it in line with my scanner, a Realistic Pro 2006, connected to a VHF UHF discone antenna at 10m. Fitted band pass filters for much improved performance. During those years, they have made important contributions to the growth and development of the television industry, becoming a respected world leader in the design of innovative, quality products. 95 Special Order : F3 : HUSTLER F3: 3' HEAVY DUTY 3/8" FIBERGLASS STICK $10. Hustler (DCL) Discone Base Station Antenna for Scanning - Covers 40-950MHz Scanner Accessories Product Features: Ideal for scanning public service, aircraft, mobile and telephone frequencies. Available for $45 equivalent from the manufacturer in the UK, or for $45 from airspy. The long answer As far as preamp vs distribution amplifiers. preamplifier circuits in the HD)( models will provide the same high level of performance even in the presence of strong broadcast station signals! The EWPA is a very high performance. We try and move all old stock out every 30 days on ebay. The discone antenna used for this study was an AOR Model DA3000, which is intended for use primarily as a scanner radio antenna, and claimed by the manufac-turer to be useable from 25 MHz to 2000 MHz. 1,2,3 hi-vhf! Antenna was very easy to assemble and install. The RTL2832U / Elonics E4000 SDR Radio – AKA “The $20 SDR”. Trying different antennas can be a cheaper alternative to improving your station than purchasing antennas, or preamps. 2m Circular Polarized 8 El Yagi ABS-1600 CB Antenna. Thank you for this website and the helpful information. Additionally, it is always preferable to mount the antenna to a mast or crossbeam and avoid letting the antenna touch the floor. With such an amplifier the reception range of the SBS-3 is considerably extended. Figure 6 shows the spectrum changes in the 73-74. Does anyone have any experience with these antennas? Should I just stick with a Discone with a center element? Any particular brand of Discone better than the rest?. This article shows you how to build a very efficient one for your UHF scanner. The first is called a discone and the second is called a Slim Jim. Here, you'll find links for antennas covering 30 Mhz and up. Get the best deals on HF Ham & Amateur Base Station Radio Antennas when you shop 1411 Tram(R) Scanner 25MHz-1,300MHz VHF/UHF Super Discone 50 Ohm with Preamp. Fits standard 1. The American Radio Relay League (ARRL) has for some years published the Proceedings of various regional and national VHF, UHF and Microwave conferences. I have mine set to +20dB, wideband, mounted under a discone in the loft, a power cable runs up with the antenna down lead allowing me to switch it on and off. 3GHz in two continuous bands (25-760-1300MHz). Specialising in new & used Ham (Amateur) Radio, Commercial Two-Way Radio, Marine & Aviation equipment. Tuners, Preamps & Splitters _ Microphones & Boomsets _ Audio & RF Filters _ Meters & Test Equipment: RTTY-FAX Decoders _ Towers & Tripods: Clocks: Morse Code Keys & Keyers: Equipment Protection Devices: Citizens Band Radios [CB] _ Cable, Coax & Wire: Citizens Band Antennas: Headphones: Personal Communications [FRS/GMRS] Speakers _ Commercial. Discone antenna SIRIO SD 1300 N, wide-bande in reception from 25 to 1300 Mhz and the radio amateur bands in emission on 50Mhz, 144Mhz, 430Mhz and 1200Mhz with female connector and a size of 1,6m. It is extended for use with Radio Sets AN/GRC-27, AN/GRC-29, and AN/TRC-32 which communicate with UHF command radio sets in aircraft and such ground UHF stations in the terminal area. I found that it was very noisy on 800 MHz due to cable loss. 52 from 123 votes. The AS-1090 is a pre amplifier designed specially for the Virtual Radar receivers SBS-3 and Radarbox. Base Station Antennas. To get the most that you can out of the discone, you may need to improve the coax going up to the antenna, and possibly using a preamp to help boost the signal coming to your radio. 95 SCANMASTER' ACTIVE Discone As above with 20dB pre -amp. Make sure the connector type of the antenna matches the connector on the police scanner (all scanners have either an SMA female or BNC female connector) or buy an adapter. hello, I would like a little clarifacation regarding : Solder the inner conductor to the other side of twin lead. My discone sits on top of 2-10 foot mast. 5mm socket provides for simple DATA IN, DATA OUT and GROUND for AFSK packet use. HF/VHF BROADBAND DISCONE ANTENNA, MODEL BDA-230/A. net Article: Simple Power Injector for Preamps - KR4WM gives a suggestion for those looking to boost their RX performance. If you are ready to install an antenna, home streaming system, cell booster, consultation or just want to learn more give us a call at (469) 321 – 0507. Welcome to the Scanner Antennas page. We'll begin with a few tips & tricks for improving upon signal control and antenna use with the portable receivers. FS:RS 2025 Scanner $40. Discone 1411 is a base station antenna. A common question I get asked is ‘What is the best VHF/UHF amateur radio antenna?’ There’s no simple answer to that question since there’s countless antennas on the market, but in reality, the best amateur radio antenna is the one that works for your purposes and location. ” Same as above. Kennedy Space Center Amateur Radio Club N1KSC - KARC will promote the unity, fellowship, and activities of the amateur radio community at Kennedy Space Center. Discone Antenna SIRIO SD 3000 N, broadband covering all frequencies in RX from 300 to 3000 MHz and in TX fro amateur bands 70cm, 23cm, with N female connector. The antenna should also be mounted where it can be easily serviced should repairs or adjustments be required in the future. The MuTeK BBBA 500u also used a similar circuit, but only using one stage of amplification. radio Antenna sold here,we update our stocks to keep in touch with modern inprovements in Scanner antenna design. Should transform your air -band reception if you are still using a general purpose antenna!. The AD5X bias tee is "rated" to 230 MHz, and things are quite different at 500 MHz. Yaesu FT-DX101MP 4 495,00 € DB37-FT-101 90,00 € » All new products. [11] The antennas used were commercially available “discone” antennas designed to cover a wide frequency range (25 MHz to 1. Sirio SD 1300 N Discone Antenna 25 MHz - 1. im using a 3500xlt connected to a discone up in my loft. The disk is 30 feet in diameter. It is for safety as the lightening may want to flow down your coax lead in no matter what is struck by the lightening. com and look at the MFJ-1866 or MFJ-1868 antennas for VHF- built well at a decent price. It offers 0dB of gain, on frequencies from about 120-1300MHz, and with a vertical element on top, it is usable down to about 30MHz. Only 15 left in stock - order soon. The WR-LNA-3500 Low Noise Amplifier is a ultra-low noise figure preamplifier designed to operate in the range of 30-3500 MHz. ICOM IC-W32A Yagi with AG-35 PreAmp. In addition, specific models mentioned in the Antennas forum at RadioReference are linked here for future reference. Is there another simple, cheap, DIY antenna I could try on my receiver? I know I'm going to want to hook it up and have a listen before the last solder joint has cooled. The antenna preamplifier uses 12-15 VDC at 150 milli Ampere. I need to design a preamp because its connected through 100ft of coaxbut I can hear most everything within a few tens of miles. Find many great new & used options and get the best deals for Icom Ag-25 144mhz Low-noise Preamplifier Mast Mount at the best online prices at eBay! Free shipping for many products!. View the manufactures page for D3000N The D3000N Super Discone Antenna is an ultra-wideband antenna covering amateur radio, commercial 2-way, cellular, air traffic control and various utility frequency bands. You tune your radio to the desired frequency, then you tune the preselector to peak the signal. I once had a $25 multiband shortwave antenna in the attic that performed as well as any $150 manufactured SW antenna. 00 SCANMASTER Double. 1 Shipplotter. Specialising in new & used Ham (Amateur) Radio, Commercial Two-Way Radio, Marine & Aviation equipment. Depending on which you choose, our line of versatile discone antennas gives you the ability to cover Amateur Radio, public safety, commercial 2-way, cellular, air traffic control, and various ultra-frequency bands. Another option would be the new Nooelec SMArtXTRTee with an Uputronics Wideband preamp and a quality discone, that setup is mind-blowing if you enjoy listening to signals. Unfollow super scanner antenna to stop getting updates on your eBay Feed. ” Same as above. Antenna mounted pre-amplifiers are always preferred as they amplify the signal at its strongest point. Model # Wideband Discone. thinking Discone or Double Discone with an N connector and 50' - 75' 9913 coax cable run. You may be able to receive some NOAA APT (137 MHz) signals if you live in a very quiet location but since its not circularly polarized and its pattern is more towards the horizon its not going to work well. Rtl-SDR FC0013 with 2m PreAmp and Diamond X50 Antenna 40m above ground 437. Loop, Discone and Broadband Antennas What others are saying A comparison of the real estate needed for four EWEs and the K9AY Loop system shows that the loops need only 1/7 the area of the EWEs, yet they provide the same directional patterns. Discone Antenna for RTL SDR Posted on March 25, 2016 Posted in Antenna I have been getting into software defined radio via RTLSDR and found the stock antennas woeful for reception and picked up a tonne of noise from my LCD and laptop - though it's hardly surprising. then on the roof is a discone plus some UHF WX transponders. What others are saying "I hope to get my Ants out here, but I doubt the tower will go up at this location so inconspicuous verticals may be all I can use and few at that. In short, this antenna works equally well, if not better, than my discone/12dB preamp combination. The manual boast of the receiver system is a multi-mode, quadruple conversion superheterodyne covering 100 kHz to 30 MHz with a CPU controlled, 10 Hz step VFO with 100 Hz display resolution. Whether you're in the air or on the ground, trust Icom to keep you in touch before flight. Handles 200 Watts. It offers 0dB of gain, on frequencies from about 120-1300MHz, and with a vertical element on top, it is usable down to about 30MHz. I have set up one of the std. A discone antenna is quite popular among radio-scanner hobbyists due to its extreme bandwidth. Re: ( Score: 3 ). New products. Basically the frequency bands each range over from the lowest frequency to 10 times the lowest frequency. All information, images, and documents on this website are the sole property of MFJ Enterprises, Inc. Bulk charge 8 BB-2590s in three hours.