eco antennas hf

eco antennas hf

Antennas : Beverage

• Beverage Transformers for HF Receiving Antennas - This FAQ covers building and buying transformers for loop-on-ground and Beverage antennas. Building one uses ferrite cores and thin wire. Buying is an option, with the DX Engineering BFS-1 being recommended. These transformers isolate the antenna from the cable to prevent unwanted signal pickup.
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• IAT Interactive Antenna Table - IAT is an excel sheet table evaluate parameters of VHF UHF antennas edited by Vladimir UR5EAZ. The difference between this tool and the existing VE7BQH Antenna Table is the use of G / T and C / N instead of the G / Ta parameter. In this table, Vladimir applies the ITU recommendations to assess the noise properties of a radio receiving system and shows the advantage of the G / T concept over the G / Ta concept when choosing an antenna.
  [ Hits: 106 | Votes: 4 | Rating: 9.5 ]

• RD3A - This site is dedicated to the RD3A (ex RD3AF)participation in russian and international HF-contests, DX'ing, DX'peditions, to his work from primary and secondary contest locations, to antennas, equipment and software used by him.
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• Scout Telecomunicazioni - VHF, UHF, CB antennas for marine, mobile, base, remote radio monitoring and control system
  [ Hits: 1996 | Votes: 1 | Rating: 6 ]

• US Communication antennas - UnderBumper diversity licence plate antenna system (front and rear license plates) become the antennas. Available in VHF, UHF, Dual Band and other frequencies. We also manufacture mobile antennas for HF VHF UHF wideband antennas
  [ Hits: 580 | Votes: 0 | Rating: 0 ]

• Portable Amateur Radio Operations - The main issues with portable HF operations have become not issues of the transmitting and receiving equipment itself but of providing power and antennas
  [ Hits: 497 | Votes: 2 | Rating: 5.5 ]