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• HF Copper Loop  ^pop - A small transmitting loop antenna for 14MHz and 21MHz. This is an antenna you might consider if you have limited space, by Lloyd Butler VK5BR Based on material originally published in Amateur Radio, 11 1991
  [ Hits: 25356 | Votes: 21 | Rating: 6.63 ]

• Receiving loop aerial for 1.8 MHz - Bulding notes of a receiving loop antenna for 160 meters band
  [ Hits: 4444 | Votes: 4 | Rating: 7.5 ]

• VHF TX Loop - VHF Antenna in a lunchbox. The magnetic loop on two metres band Lloyd Butler VK5BR
  [ Hits: 4456 | Votes: 4 | Rating: 4.5 ]

• Active Loop Converter for LF - Active Loop Converter for the LF Band by Lloyd Butler VK5BR originally published in Amateur Radio, July 2000)
  [ Hits: 1839 | Votes: 0 | Rating: 0 ]

• Interference Cancelling System - The use of interference signal cancellation has been around for some time. The idea is to use an auxiliary antenna almost any random length of wire in addition to the main receiving antenna
  [ Hits: 1867 | Votes: 1 | Rating: 3 ]

• Phone line as a SW antenna - This article describes how to use a phone line as a shortwave receiving antenna, but be carefull telephone lines present a potential shock hazard, use at your own risk
  [ Hits: 2546 | Votes: 3 | Rating: 4.33 ]

• WA3KEY Virtual Collins Radio Museum - WA3KEY Virtual Collins Radio Museum. A complete resource for Collins Radio users, collectors and restorers.
  [ Hits: 793 | Votes: 2 | Rating: 10 ]

• PMR446 Personal Mobile Radio - PMR446 radio information, news, reviews and forum. We also run a PMR446 gateway network using the eQSO system.
  [ Hits: 2667 | Votes: 10 | Rating: 7.6 ]

• Minnesota Repeater Council - Organization of Minnesota repeater owners and users, and Minnesota frequency coordination.
  [ Hits: 1503 | Votes: 1 | Rating: 1 ]

• Leitner Elettronica - RF Amplifiers for HF VHF UHF
  [ Hits: 8001 | Votes: 12 | Rating: 8.76 ]

• USCG Navigation Center DGPS - Differential Global Positioning Service (DGPS) is a land-based augmentation system that receives and processes signals from orbiting GPS satellites, calculates corrections from known positions and broadcasts these corrections via a Medium Frequency (MF) Transmitter to DGPS users in the Broadcast Site's coverage area.
  [ Hits: 2007 | Votes: 2 | Rating: 4.5 ]

• VLF-LF And the Loop Aerial - The article discusses the theory of loop aerials for receiving and how they reduce the level of local noise. A Loop Aerial is described suitable for use on the LF and VLF bands together with a circuit of an interface loop tuner and preamplifier. The discussion extends to the problems of amplifier noise and the advantages of tuning the loop.
  [ Hits: 3424 | Votes: 5 | Rating: 5.4 ]

• The Art & Skill of Radio Telegraphy - For those who are interested in telegraphy, for those who would like to learn it, for those who love it, and for those who want to improve their skills in it
  [ Hits: 1262 | Votes: 2 | Rating: 10 ]

• Western Australian Radio Scanner Users Group - The WA Radio Scanner Users Group is a support organisation for radio scanner users in Western Australia
  [ Hits: 3039 | Votes: 11 | Rating: 7.28 ]

• Nec2Go - Powerful antenna modeling tool using NEC 2 computing engine. Nec2 specifically provide users, either those experienced with the Nec2 processes, or for those who are neophytes but want to model their own antennas. Nec2Go uses a simplified process for defining the antenna structure and then providing view of the structure, plots (2D and 3D) and other significant data that is pertinent to the design. This simplified process uses an edit file with equations for all definitions.
  [ Hits: 1953 | Votes: 1 | Rating: 5 ]

• iSpectrum Analyzer - Macintosh audio spectrum analyzer that allows the user to view live audio in a standard frequency plot, a stereo oscilloscope view and a waterfall display
  [ Hits: 7786 | Votes: 4 | Rating: 5.5 ]

• PSK31 Deluxe  ^pop - PSK31 Deluxe is a PSK31 and PSK63 program for novices and power users. It has been replaced by Digital Master 780 and is now a legacy product. The last version of PSK31 Deluxe was shipped with the HRD 4.0 SP4 kit and is no more availabe and supported.
  [ Hits: 25873 | Votes: 61 | Rating: 6.44 ]

• Fox Tango International - Yaesu FT-101 Users Group purpose and scope is to serve as a sort of benevolent, protective, mutual aid and social club, essentially for the purpose of interchanging information, ideas, experiences and problems. By and for owners of Yaesu amateur radio equipment. Founded in 1972 by Amateur Radio operator Milton Lowens N4ML
  [ Hits: 1983 | Votes: 265 | Rating: 8.84 ]

• Antenna Noise and Signal Cancelling at LF - By using the signals from two antennas, controlling their relative amplitudes and controlling the phase of one of them, unwanted signal or unwanted noise can be phased out. Circuitry is described which uses the signal from a wire antenna to provide selective cancelling against the signal output from an LF loop antenna.
  [ Hits: 7909 | Votes: 6 | Rating: 4.5 ]

• iCOM PCR 1000 Web Resource Page - ICOM PCR 1000 user website with tips, manuals, hacks and frequency list for this no-interface radio receiver.
  [ Hits: 4499 | Votes: 7 | Rating: 7 ]

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