broadband
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Antennas : 80M- Broadband 80 meter dipole
- The AB2RA bowtie 80 meter antenna includes also a 40 meter dipole
[ Hits: 863 | Votes: 0 | Rating: 0 ]
- The Story of the Broadband Dipole
- A dipole can be broadbanded by a number of techniques including by matching with resonant sections of transmission feed lines.
[ Hits: 405 | Votes: 0 | Rating: 0 ]
- Coaxial Dipole Antenna
- A distributed capacity coaxial dipole antenna. The antenna is very broadbanded with a very flat swr on all band when setup of the antenna is done at the proper lenght and height.
[ Hits: 537 | Votes: 0 | Rating: 0 ]
- TEFV Terminated End Fed Vee Antenna
- The Terminated End Fed Vee Antenna (TEFV) is a travelling wave antenna with constant current distribution. Unlike traditional resonant antennas, TEFV operates without standing waves, using a terminating resistor for broadband efficiency. With a combination of vertical and horizontal polarization, it offers wide bandwidth from 1.8 MHz to 30 MHz, eliminating the need for a tuner. Key components include a 9:1 unun transformer and a 500-ohm terminating resistor. Grounding and counterpoise enhance performance, and it can handle power losses of up to 30%. TEFV provides an effective, versatile antenna solution for amateur radio and broadcast applications.
[ Hits: 183 | Votes: 2 | Rating: 6.5 ]
- Broadband hexbeam
- This version of the broadband hexbeam is based on the work of Hunt G3TXQ, HB9MCZ, and Shoemaker K4KIO. EZNEC model is based on a wider element spacing than the version published in QST by K4KIO
[ Hits: 572 | Votes: 5 | Rating: 7.8 ]
- Wide Band Active Loop Antenna
- A shielded broadband (~200 MHz) active loop antenna offers more quiet and relatively less interference reception.
[ Hits: 611 | Votes: 5 | Rating: 8 ]
- Comsystems Solutions
- HF Antennas is a division of Comsystems Solutions we manufacture wire broadband antennas and different type.
[ Hits: 187 | Votes: 2 | Rating: 3 ]
- HSMM-Mesh Canada
- HSMM-MESH or Broadband-Hamnet - Canada a web site dedicated to HamNet development in Toronto Area
[ Hits: 374 | Votes: 0 | Rating: 0 ]
- Broadband Hamnet Network
- The availability of low-cost, ready made 2 GHz hardware and the project at Broadband Hamnet dot org, make it unthinkable that the amateur radio community NOT take advantage of broadband ad-hod TCP/IP networks!
[ Hits: 297 | Votes: 1 | Rating: 1 ]
- Boradband HamNet Italy
- A web site dedicated to Broadband HamNet in Italian
[ Hits: 176 | Votes: 0 | Rating: 0 ]
- Broadband Hamnet
- Home of the HSMM Mesh is a reference web site for HamNet enthusiasts
[ Hits: 211 | Votes: 0 | Rating: 0 ]
- A Compact 600W Broadband HF Power Amplifier
- A 600W 1.8 MHz to 54 MHz power linear amplifier made using rugged MRF300 transistors featuring output power between 580W and 750W depending on band, power supply: 48V, 18A typical, 20A max
[ Hits: 596 | Votes: 6 | Rating: 7.33 ]
- Hermes-Lite Low Cost HF SDR
- The Hermes-Lite is a low-cost direct down/up conversion software defined amateur radio HF transceiver based on a broadband modem chip and the Hermes SDR project. It is entirely open source and open hardware, including the tools used for design and fabrication files. Over 300 Hermes-Lite 2.0 units have been successfully built.
[ Hits: 518 | Votes: 0 | Rating: 0 ]
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