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Antennas : Helical

• The Gain of the Axial-Mode Helix Antenna
  
  by Dr D T Emerson National Radio Astronomy Observatory NRAO Antenna Compendium Volume 4 pp ...
  [ Hits: 2501 | Votes: 5 | Rating: 3.2 ]

• 425 DX NEWS - I1JQJ
  
  DXNews text bullettin senr via email since 1995 with a lot of DX News annouces ...
  [ Hits: 4141 | Votes: 43 | Rating: 7.99 ]

• INRAD International Radio
  
  Supplier of custom designed high performance quartz crystal filters for communications receivers and transceivers for ...
  [ Hits: 2151 | Votes: 5 | Rating: 8 ]

• Sunset sunrise moonset
  
  Sunrise, Sunset, Moonrise, Moonset, and Twilight by The U.S. Naval Observatory
  [ Hits: 767 | Votes: 5 | Rating: 5 ]

• Introduction to Radio Astronomy
  
  Starting point for some basic facts about radio astronomy what radio astronomers do how radio ...
  [ Hits: 3223 | Votes: 5 | Rating: 5 ]
• Jodrell Bank - Nuffield Radio Astronomy Laboratories (NRAL)
  
  NRAL at Jodrell Bank are a part of the University of Manchester s Department of ...
  [ Hits: 588 | Votes: 1 | Rating: 10 ]
• National Radio Astronomy Observatory
  
  Research facility of National Science Foundation, operates many radio telescope observatories.
  [ Hits: 543 | Votes: 0 | Rating: 0 ]

• Writing reception reports
  
  A guide on writing reports to broadcasting stations and obtaining QSL cards
  [ Hits: 1292 | Votes: 3 | Rating: 10 ]

• Radio Norway
  
  Radio Norway International web site
  [ Hits: 2804 | Votes: 9 | Rating: 5.88 ]

• Scanrec Scanner Recorder
  
  Scanner Recorder Scanrec is a free audio recorder that is primarily designed to record speech ...
  [ Hits: 15544 | Votes: 53 | Rating: 6.82 ]

• TK545
  
  Open source software designed to control and program the Japan Radio Co NRD 545 receiver ...
  [ Hits: 1044 | Votes: 1 | Rating: 7 ]

• HamClock - Ham Radio Desk Clock - WB0OEW
  
  Keep track of much more than the time with this Wi Fi enabled device HamClock ...
  [ Hits: 3340 | Votes: 11 | Rating: 6 ]