dual

dual

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• Dualband-Beam 12/17 m - The beam has only one feedpoint with 50 Ohm and has an open-sleeve element for 12 m by DK7ZB
  [ Hits: 4581 | Votes: 22 | Rating: 8.86 ]

• DX Dual Dipole  ^pop - Two dipoles fed from the same coaxial line by n6bz for 20 and 15 meters
  [ Hits: 31705 | Votes: 19 | Rating: 4.41 ]

• Dipole/Yagi Antenna - DX dual dipoles by nb6z for 20 and 15 meters
  [ Hits: 6571 | Votes: 5 | Rating: 7 ]

• WW2Y/K2WI Beverage design - Ideas for enhanced beverage antenna performance, Single wire beverage improvements and arrays of two beverages. This article explores improving reception with Beverage antennas. It discusses single wire Beverages and their limitations. Then it compares two array configurations: broadside and end-fire. Broadside offers better front-to-side ratio but requires more space. End-fire offers better front-to-back ratio and takes less space but is trickier to implement for multiple bands. The article concludes with a 3-element end-fire design for excellent performance and explores possibilities for dual-band configurations.
  [ Hits: 4056 | Votes: 4 | Rating: 9.5 ]

• A J-Pole for 2-meters and 70-cm  ^pop - An Easy Dual-Band VHF/UHF vertical Antenna made with a TV twin lead and coax cable
  [ Hits: 103706 | Votes: 135 | Rating: 5.97 ]

• NB6Zep Antenna and more - A modified EDZep for 20 meters, Yagi, Zepp Beam, Dual Dipole, Space Restricted 80 meter wires. Operating Bands: 40 thru 10 meters with tuner
  [ Hits: 9316 | Votes: 5 | Rating: 8.6 ]

• Fieldcomm association - The FieldComm Association is a small group of individuals in the central Virginia area interested in communications
  [ Hits: 839 | Votes: 7 | Rating: 10 ]

• Shortwave and Scanner Swap Shop - A group for the purpose of buying-selling-trading SW receivers and scanners only. Free and mainly for individuals.
  [ Hits: 751 | Votes: 0 | Rating: 0 ]

• The Ventenna - Rugged, disguised 2m, 220MHz, 440MHz, and 2m/440 dual band antennas, HF portable antennas, portable dipoles.
  [ Hits: 4581 | Votes: 19 | Rating: 8.21 ]

• RM Italy  ^pop - RM is an Italian company operating in the radio communication field since 1974, main products are: HF-CB-VHF-UHF-Dual Band Amplifier, Power Supply, DC-DC Converters Antennas and more
  [ Hits: 42741 | Votes: 102 | Rating: 6.83 ]

• ATNF - Australia Telescope National Facility - Operates the Australia Telescope, a set of radio telescopes in New South Wales. These telescopes are used, individually or together, to study objects in the Universe ranging from the remains of dead stars to entire galaxies.
  [ Hits: 725 | Votes: 0 | Rating: 0 ]

• Radio Shack PRO-94 at eHam - Eham user reviews for Radio Shack PRO-94 1000 channel Dual Trunking Scanner
  [ Hits: 277 | Votes: 0 | Rating: 0 ]

• Surplus Sales of Nebraska - 3000 page mega website for Radio Amateurs, builders, radio broadcasters, manufacturers and individuals around the world. We cover any RF part you can think of from vacuum capacitors to rf connectors to transmitting doorknob caps to roller inductors.
  [ Hits: 6200 | Votes: 16 | Rating: 4.44 ]

• Bandercom - Radio sales to over 60 countries, source for all communication equipment, individual hobbyists, professionals and dealers.
  [ Hits: 9155 | Votes: 10 | Rating: 6.23 ]

• BR-universal-Filt - Freeware real time DSP filter particularly for applications of amateur radios , IIR, FIR filter, low-pass, high-pass, band-pass filter, band suppressor (notch filter) individually adjustable
  [ Hits: 6300 | Votes: 15 | Rating: 8.26 ]

• Winlog 32  ^pop - Logging software designed solely for Windows 95/98/ME/NT4/2000/XP/Vista/W7/W8/W10. The Author G0CUZ provides this software free to use by all Radio Amateurs and SWL's in true Ham Spirit. While Winlog32 serves as versatile logging software, it particularly emphasizes DX'ing on HF and VHF. It extensively tracks awards programs like DXCC, IOTA, WAZ, offering features expected from quality logging and DXing software. The software is freely downloadable, retaining full functionality without any restrictions. Users can distribute it individually, ensuring the original files remain unaltered, without any charges. Bulk distribution requires specific permission from the Author.
  [ Hits: 27330 | Votes: 71 | Rating: 5.99 ]

• Cobracom - Oscilloscope, Realtime spectrum analyzer, Impedance meter, RLC bridge and signal generator for Windows. Is a Windows application that converts your PC into a powerful dual-trace signal analyzer (oscilloscope, FFT etc...) . Uses your PC sound card as an Analog-to-Digital a Converter to digitize any input waveform and as Digital-to-analog Converter for the signal generator. True 24 bit adc/dac 48K/96k/192k sampes/sec.
  [ Hits: 21552 | Votes: 13 | Rating: 6.23 ]

• Spectrogram  ^pop - Shareware dual channel audio spectrum analyzer for Windows 2000/XP which can provide either a scrolling time-frequency display or a spectrum analyzer scope display in real time for any sound source connected to your sound card. Can be used for MTHELL, QRSS and DFCW by R S Horne
  [ Hits: 49457 | Votes: 24 | Rating: 6.34 ]
• Zelscope  ^pop - Zelscope is a Windows software that converts your PC into a dual-trace storage oscilloscope and spectrum analyzer. It uses your computer's sound card as analog-to-digital converter, presenting a real-time waveform or spectrum of the signal - which can be music, speech, or output from an electronic circuit.
  [ Hits: 71204 | Votes: 29 | Rating: 5.32 ]

• How to obtain a dual voltage without a transformer - How to obtain a dual voltage without a transformer
  [ Hits: 4714 | Votes: 6 | Rating: 9 ]

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