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• The All Copper X-Beam for 17 Meters - WA2UGT X-beam antenna for 17 meters band
  [ Hits: 5117 | Votes: 5 | Rating: 3 ]

• The Sperrtopf antenna for 2 meter band - By ON4CFC Pascal, describe how to build a Sperrtopf or Sleeve antenna for the 144 Mhz, PDF File by antennex
  [ Hits: 2678 | Votes: 4 | Rating: 6.5 ]
• ZR6KMD 2M Beam Antenna - This design was adapted from an article in the ARRL Handbook and built with simplicity and duplicity in mind. This antenna is a vast improvement over a standard dipole with a forward gain of around 8db with a front to back ratio of 10db.
  [ Hits: 2222 | Votes: 1 | Rating: 2 ]

• 40-80 Half-Extended Double Zepp Antenna - A dual-bander for 80M and 40m. An Extended Double Zepp (EDZ) is a 5/4 wavelength center-fed dipole. This article will introduce the Half-Extended Double Zepp (HEDZ) which has characteristics that a lot of amateur radio operators should find quite interesting
  [ Hits: 11400 | Votes: 9 | Rating: 4.44 ]

• 40 M. triangular full wave vertical loop - A 40 meters band full wave antenna project plan with model, adding the Missing Leg to the Inverted-L Antenna
  [ Hits: 13291 | Votes: 11 | Rating: 7.08 ]

• Common mode chokes - Excellent article on limiting noise using chockes by Chuck Counselman, W1HIS
  [ Hits: 5304 | Votes: 12 | Rating: 5.17 ]

• Copper Cactus J pole 2 metter 70 Cm dualband - Homebrew a j-pole 2mt and 70 cm antenna project. Make it cheap. This article includes homebrewing instructions, parts lists, tools needed and printable documentation.
  [ Hits: 10355 | Votes: 29 | Rating: 6.35 ]

• 160 m Balanced Coaxial Receiving Loop Antenna - W4HM explanation of the 160 meter balanced coaxial receiving loop antenna, easily adaptable to a 40 and 80 meters band
  [ Hits: 6573 | Votes: 7 | Rating: 6.4 ]

• CQ amateur radio - W5GI Mystery antenna - Review of the W5GI Multiband Mystery Antenna by July 2003 Issue of CQ Amateur Radio
  [ Hits: 6447 | Votes: 7 | Rating: 6.14 ]

• NVIS - What it is and how to use it - An interesting article on NVIS antennas, explaining basics of NVIS antennas and the main usage of this particular aerials by Patricia Gibbons
  [ Hits: 5398 | Votes: 11 | Rating: 8.73 ]
• NVIS on Google Groups - Search for NVIS on google groups
  [ Hits: 1308 | Votes: 2 | Rating: 7.5 ]

• Ground / Radial Systems - Guide to ground mounting antennas, notes on efficiency, elevated installations, metal towers and masts, other mounting schemas, moble homes and rv, lightning protections, artiche by Bencher
  [ Hits: 1153 | Votes: 1 | Rating: 10 ]
• Radial systems and ground - Radial systems for elevated and ground mounted vertical antennas by SteppIR
  [ Hits: 2297 | Votes: 4 | Rating: 8.25 ]

• ARRL US amateur radio bands - Download this color US ham radio band-plan in PDF format edited by ARRL
  [ Hits: 11629 | Votes: 19 | Rating: 6.58 ]

• Position-Report APRS maps - APRS-Webserver, that presents aprs-data and maps for free using Google Maps api. The position data is imported from aprs.org, winlink.org and echolink.org. The map data are partially commercial and free. This server is for amateur radio purposes only.
  [ Hits: 640 | Votes: 4 | Rating: 3.75 ]

• KENWOOD TS-940 Page - Comprehesive page on TS-940 TS-940 reference maintained by ZL4AI Jeff
  [ Hits: 4107 | Votes: 13 | Rating: 8.3 ]

• Kenwood TS-950 page - Lot's of info on 950sdx tranceiver by Jeff King ZL4AI/DU7
  [ Hits: 3023 | Votes: 12 | Rating: 8.6 ]

• FT-897D Modification sheet - Lot's of FT 897 and FT 857 modifications in a single PDF file
  [ Hits: 15165 | Votes: 20 | Rating: 5.75 ]

• Voice descrambler - This program descrambles band inverted encrypted transmissions, usually found on VHF/UHF. It uses a NCO (numerical controlled oscillator) to re-produce the originally inverted audio band. Use it only if legally permitted in your country. I assume no responsabilities deriving from its use. Standard disclaimer applies
  [ Hits: 13577 | Votes: 38 | Rating: 6.16 ]

• Strange CW keys - Very strange morse keyers, like Onion chopper CW key, Handshake CW key, Chopsticks CW key, Typewriter CW keyboard, Refrigerator CW key by OH6DC
  [ Hits: 2811 | Votes: 5 | Rating: 10 ]

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