range
283 links - and 1 categories
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Antennas : 80M- A broadband contest antenna for 80m
- The challenge with contest operation on 80m is finding an antenna that works well over the range 3.50 MHz to 3.85 MHz.
[ Hits: 1292 | Votes: 8 | Rating: 6.88 ]
- RF Chokes
- A chart presenting the results of impedance measurements made on a variety of common-mode choke implementations across the frequency range 1MHz to 30MHz by G3TXQ
[ Hits: 904 | Votes: 2 | Rating: 7.5 ]
- Calculating Your Radio Horizon
- The range and coverage of your VHF transceiver will be limited to your radio horizon. How to calculate the visual horizon and how to determine the Radio Horizon
[ Hits: 755 | Votes: 5 | Rating: 5.4 ]
- Tri-Band J-Pole
- This strange looking antenna is a combination of Coupled-Resonator principle by K9AY and a quarter stubs to achieve low angle radiation pattern. Designed with 4nec2 NEC based antenna modeler and optimizer for 145/220/440MHz bands
[ Hits: 1913 | Votes: 5 | Rating: 9 ]
- Slinky Loop Antenna
- A wide range antenna made from a toy published on a 2010 Radcom article by M0ZSA
[ Hits: 1241 | Votes: 2 | Rating: 4.5 ]
- The $4.00 Ham Radio Satellite Antenna
- Simple, inexpensive and lots of fun! Here is an easy to make home brew antenna that can get you on the air working satellites or be built for use as a portable hand held antenna to extend the range of your HT.
[ Hits: 2426 | Votes: 4 | Rating: 6.25 ]
- Eggbeater Antenna
- The EggBeater Antenna web page by ON6WG F5VIF a web site dedicate to this VHF UHF antenna
[ Hits: 1183 | Votes: 7 | Rating: 7.43 ]
- Curtain Antenna
- An antenna for shortwave radio broadcasting consisting of rows and columns of dipoles, is a high gain directional antenna, designed for medium and long range communications.
[ Hits: 854 | Votes: 0 | Rating: 0 ]
- How does antenna height affect VHF communications
- How to calculate range for a VHF antenna with a simple formula and how to increase VHF coverage.
[ Hits: 631 | Votes: 2 | Rating: 9 ]
- Tait Communications
- Tait Digital Mobile Radio (DMR) is an affordable digital communications platform that delivers a range of workforce efficiencies and operational benefits for mission critical users.
[ Hits: 255 | Votes: 1 | Rating: 1 ]
- pocketVNA - portable Vector Network Analyzer
- A 500 kHz to 5.5GHz 2-port vector network analyzer designed for use with any Linux, Windows or MacOS computer. High performance: up to 80 dB dynamic range in the MHz range; up to 40 dB in the GHz range
[ Hits: 534 | Votes: 1 | Rating: 1 ]
- KG-UV8D Freq Limit
- Mod software to expand the frequency range to the full authorized range of the radio and not beyond 134-174MHz 400-519MHz, it will not add the 2.5kHz step
[ Hits: 709 | Votes: 9 | Rating: 7.56 ]
- ESR electronic components Ltd
- ESR is located in the North East of England and was formed in the early 1980s offering customers a broad range of Audio-Visual, Electrical and Electronic Components and Accessories.
[ Hits: 191 | Votes: 1 | Rating: 9 ]
- Akizuki Denshi
- Japanese electronic parts online shop offer a wide range of products, from microchip pic to leds and batteries to any kind of connectors
[ Hits: 792 | Votes: 3 | Rating: 10 ]
- KG-UV8D Programming Software
- Wouxun KG-UV8D Standard Programming Software. Used to adjust or expand the frequency range to the full authorized range of the radio and not beyond. 134-174MHz 400-519MHz This software will Not add the 2.5kHz step.
[ Hits: 579 | Votes: 7 | Rating: 9.29 ]
- Online Signal Generator
- An online audio signal generator application capable to reproduce different waveforms with variable frequency range
[ Hits: 3478 | Votes: 44 | Rating: 4.84 ]
- 2.5KW VHF Power Amplifier
- A home made VHF 2.5kw RF power amplifier made with a GS35B Triode and designed by Frank F1CXX built in 2003
[ Hits: 940 | Votes: 316 | Rating: 7.99 ]
- HF1 QRP Transceiver Project
- This project is based around the recent HF1 QRP transceiver by Ashhar Farhan, VU2ESE. The transceiver is an interesting SSB design with wide tuning range from 0-30MHz and should cover several amateur bands. The schematic for the transceiver can be found on the Minima mail list in this post with a PDF attachment
[ Hits: 670 | Votes: 0 | Rating: 0 ]
- RFI on Samsung HDTV
- RF is causing strange issues on the touch sensor buttons, controlling inputs, volume, channels on Samsung LCD TV. Solution is to disable front touch panel.
[ Hits: 322 | Votes: 0 | Rating: 0 ]
- SnaLY-160 Scalar USB network analyzer
- A project by LY3H of a complete Scalar USB network analyzer with freeware windows software, sweep range 100 kHz to 160 MHz, powered by USB.
[ Hits: 222 | Votes: 0 | Rating: 0 ]
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