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• VK2ABQ Antenna for 50MHz - A vertically-polarised VK2ABQ Antenna for six meter band
  [ Hits: 508 | Votes: 0 | Rating: 0 ]

• Double Half-Delta Loop RX Antenna - This wire antenna was developed to offer for a small, low-band, ground independent directional receiving antenna, it requires only two support poles. It is basically composed by two interconnected half delta loops and is better than a single flag or EWE, and almost as good as two phased EWE in the same space.
  [ Hits: 939 | Votes: 0 | Rating: 0 ]

• Ground Loss and Vertical Antennas - How manage and quantify ground loss in vertically-polarized antennas by VE3VN
  [ Hits: 597 | Votes: 0 | Rating: 0 ]

• Auto Couplers - Article by K0BG on automatic antenna couplers, erroneously called antenna tuners with reviews of popular tuners and basic concepts.
  [ Hits: 657 | Votes: 1 | Rating: 1 ]

• F Callbook - REF Union French Call Book online
  [ Hits: 618 | Votes: 3 | Rating: 1.33 ]

• P29NI - An international team, using the P29NI call, will visit 5 islands belonging to Papua New Guinea between 19 October and 4 November 2012
  [ Hits: 183 | Votes: 0 | Rating: 0 ]

• J5NAR Guinea Bissau - HA0NAR is travelling to Guinea Bissau as J5NAR February 2013 qsl via home call
  [ Hits: 195 | Votes: 0 | Rating: 0 ]

• WWFF Logsearch - Welcome to the wwff logsearch - part of the world-wide flora. Search your call sign for any contacts done with the WFF Stations.
  [ Hits: 710 | Votes: 6 | Rating: 2.83 ]

• 7QP - The 7th Call Area QSO Party - 7QP is an amateur radio contest, held annually on the first Saturday in May
  [ Hits: 206 | Votes: 0 | Rating: 0 ]

• EA7RKC - Radio Club Cadiz
  [ Hits: 273 | Votes: 0 | Rating: 0 ]

• Auto License Plates - Persons holding an unexpired ham radio station license issued by FCC may apply for one set of Ham Radio Call Letter license plates.
  [ Hits: 380 | Votes: 2 | Rating: 1 ]

• Caller.com - live police radio - Listen to Corpus Christi TX live police scanner
  [ Hits: 718 | Votes: 4 | Rating: 3.25 ]

• QRZCQ.com - The DataBase for radio hams, callsign database, DX Cluster filtering, forum calendar and resources
  [ Hits: 2095 | Votes: 23 | Rating: 9 ]

• CQ-DATV.mobi eBooks - Devoted to CQ-TV mobile electronic publications. E-books related to ATV (Amateur Television) and although the site is called DATV (Digital Amateur Television), it covers not only digital ATV, but all aspects of ATV
  [ Hits: 364 | Votes: 1 | Rating: 10 ]

• QRP Calling Frequencies - QRP Popular Frequencies, where to operate in QRP mode
  [ Hits: 786 | Votes: 2 | Rating: 5.5 ]

• Radius Power - DC Filters - DC filters from radius power are specifically optimized for applications with DC supply like e.g. photovoltaic inverters. Radius Power provides total power solutions, EMI filters solutions from design to manufacturing, Three Phase, Single Phase, Power Line, IEC inlet, Power entry modules Filters.
  [ Hits: 280 | Votes: 2 | Rating: 8 ]

• DX Cluster for Android - Get live DX spots on your Android device. DX Cluster for android is a real time DX spots client, show different bands and mode filters, a country filter for spotter or the spots, prefix or call sign alarms. Download from Wolphi Solutions
  [ Hits: 996 | Votes: 2 | Rating: 5 ]

• APRSTT Translator - APRSTT translate-O-Matic convert online your callsign in DTMF
  [ Hits: 294 | Votes: 0 | Rating: 0 ]

• About Cavity Filters - Cavity filters are tipically circuitry behind a duplexer that allow only certain frequencies to pass
  [ Hits: 470 | Votes: 3 | Rating: 5.33 ]

• FSK interface and CW Keying Interface - Easy to build RS232 keying interface for FSK and CW. Works with most popular RTTY software like MMTTY. Also works for with most contest software such as N1MM and Writelog for CW keying. Uses the RS232 port RTS, DTR, or TX data, optically isolated, PC boards available.
  [ Hits: 924 | Votes: 54 | Rating: 9.68 ]

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