3 band

3 band

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• G7LRR Low Band Antennas - G7LRR Amateur Radio Site,160m Helical Antenna
  [ Hits: 3532 | Votes: 8 | Rating: 8.75 ]

• 2-Element-Yagis for HF  ^pop - 2-Element parasitic Yagis for the Shortwave-Bands 10-12-15-17-20-30m. The antennas are feeded with the DK7ZB-match. A quarter-wave choke of coax is grounded at the socket.
  [ Hits: 50046 | Votes: 146 | Rating: 7.08 ]

• Portable yagi antennas - A 3 and 5 element portable yagi antennas for 2 meter band
  [ Hits: 5147 | Votes: 3 | Rating: 5.67 ]

• Trapped dipole for 40-80-160 meters  ^pop - Build a space efficient trapped dipole antenna for 40-80-160 meter bands using RG-58 and PVC pipe by W8NX
  [ Hits: 96961 | Votes: 119 | Rating: 6.24 ]

• 3 element 50 Mhz Yagi - A 3 elements long yagi antenna for 6 meters band by ON6MU
  [ Hits: 12533 | Votes: 43 | Rating: 4.96 ]

• A Full Wave Loop for 80 - 10 Metres - VE3HCR article of a home made loop antenna for 80 meters band
  [ Hits: 4477 | Votes: 2 | Rating: 6 ]

• 2-Element-DK7ZB-Quad for 5 Bands - 10-12-15-17-20m A description was in the German Ham-Magazine "Funkamateur" in Issue 11/2003
  [ Hits: 14910 | Votes: 14 | Rating: 5.79 ]
• 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 ]

• SWL Receiving Antenna Ideas - Shortwave radio receiving antenna experiments, on 30 and 40 meters band with pictures, schematics and descriptions.
  [ Hits: 11022 | Votes: 7 | Rating: 7.71 ]

• AMANDX Dipole - The longwire antenna is a very effective antenna for the listener who wants to cover all of the shortwave bands from 530 KHZ to 30 MHZ.a
  [ Hits: 3984 | Votes: 4 | Rating: 9.75 ]

• The Notebook Antenna - the multiband Notebook Antenna, so called because the entire antenna will fit easily inside a 1" thick 3-ring binder
  [ Hits: 4803 | Votes: 5 | Rating: 6.2 ]

• DK7ZB 144 mhz Yagis - High gain, good pattern and acceptable bandwidth. These aims can be realized with a radiation-resistance of 25-35Ohms, because the 28-Ohm-feedpoint is very simple to match.
  [ Hits: 1908 | Votes: 7 | Rating: 6.86 ]

• 5 element yagi for 20 Meter band - Picture and construction details of a 5 element 20 meter monobander
  [ Hits: 5418 | Votes: 9 | Rating: 5.33 ]

• DD3DJ Sound Samples - Some sound samples of received signals mainly on VHF-band
  [ Hits: 1097 | Votes: 0 | Rating: 0 ]

• Eliminate QRM from 6 meters band - The circuit described below will substantially reduce or completely eliminate interference from almost any local source whilst leaving the wanted signal relatively unaffected, even though it may be on the same frequencey by TREVOR, G3ZYY
  [ Hits: 1567 | Votes: 1 | Rating: 10 ]

• Faros - Windows shareware, automatic NCDXF beacon monitor for Radio Amateurs, SWL'ers and HF communication engineers. by Alex VE3NEA. It continuously monitors 18 NCDXF beacons on five bands, automatically detects the presence of the beacon signals, even in QRM and noise.
  [ Hits: 1420 | Votes: 3 | Rating: 10 ]

• 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: 13574 | Votes: 38 | Rating: 6.16 ]

• G3YXM 500 W PA - 40-80-160 meter band linear amplifier
  [ Hits: 3622 | Votes: 3 | Rating: 7 ]
• SUPERVOX - S 300 - AM CW SSB linear amplifier for 160 80 and 40 meter band
  [ Hits: 3267 | Votes: 2 | Rating: 5.5 ]

• Band filters by PA9M - Band filters for PA6Z made by PA9M, designed by W3NQN.
  [ Hits: 476 | Votes: 1 | Rating: 9 ]

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