4m band

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4m band

60 links

Antennas : 10M
  • A 5 elements Vee log-yagi for 10m - 5 elements "vee" log-yagi for 10m band- boom lenght : 4mt. Gain : over 10 dBd , f/b =over 40 db (deep null) f/b= min 20dB for different polarization signals
    [ Hits: 4366 | Votes: 10 | Rating: 7.60 ]
Antennas : 20M : 20 meter Dipole Antennas Antennas : 2M
  • BVO2 Yagis - Yagi beam plans for 144MHz band
    [ Hits: 14095 | Votes: 14 | Rating: 5.79 ]
  • 7 Elements YAGI for 144 Mhz  pop - The QM7 antenna is a simple 7 elements Yagi with 3.7 m boom length for the lower 144 MHz SSB/MGM band, in PDF Format
    [ Hits: 40528 | Votes: 40 | Rating: 5.87 ]
Antennas : 4M
  • 70MHz-Yagis  updated - Various Yagi antennas for 70 Mhz band
    [ Hits: 4983 | Votes: 17 | Rating: 7.36 ]
  • A centre-fed co-axial dipole for 4m - Easy to setup dipole antenna for 4 meters band by Tony Hawker G4CJZ
    [ Hits: 6002 | Votes: 9 | Rating: 7.45 ]
  • A 5-element beam for Four - 5-element antenna, with which G0JJL has worked lots of EU crossband, and won the RSGB Christmas Cumulatives 70MHz section twice in a row.
    [ Hits: 917 | Votes: 0 | Rating: 0.00 ]
Antennas : 6M : 6 meter Yagi Antennas
  • G7CNF dual band yagi for 4 and 6 m - A 5 Element dual band, single feed solution for 4m and 6m built by Nigel Coleman.
    [ Hits: 1033 | Votes: 0 | Rating: 0.00 ]
  • The YU7EF 6m and 4m antenna - Realization of the YU7EF 6m(6elm) and 4m(7elm) duo band antenna on a 6m boom by OZ1DJJ
    [ Hits: 1514 | Votes: 2 | Rating: 4.50 ]
  • Dual band 6m/4m Yagi - This antenna was optimized with the goal to minimize any changes in 6jxx6 impedance/lobes. The result is a 7 el on 70 MHz with a little loss of gain comparing with the other monobands of the same lenght.
    [ Hits: 1862 | Votes: 4 | Rating: 7.75 ]
Antennas : Bazooka Antennas : G5RV
  • The G5RV Multiband Antenna - A French translation of the ARRL antenna compendium chapter about the G5RV Multi-band antenna,
    [ Hits: 1520 | Votes: 0 | Rating: 0.00 ]
Antennas : J-Pole
  • Dual Band J Pole - Dual band J pole operational over the entire 6Mtr band (50 - 54MHz) and the entire 2Mtr band (144 - 148MHz), slightly favouring the upper half of both bands by VK6YSF
    [ Hits: 3537 | Votes: 7 | Rating: 5.71 ]
Antennas : Mobile
  • Antennas for HF mobile operation  pop - The following description should give you guidance on how to build a mobile antenna for HF bands yourself, using a very cheap CB-mobile whip antenna base. Antennas for mobile operation 7Mhz ,10Mhz, 14Mhz, 18Mhz, 21Mhz, 24Mhz,28-430Mhz
    [ Hits: 87790 | Votes: 76 | Rating: 5.33 ]
CB Radio : Personal Pages
  • 1 AT 174 Max - 1AT174 Max Web Site - News about 11M Band
    [ Hits: 3341 | Votes: 94 | Rating: 8.15 ]
Contesting : Resources
  • VKV zavody Contest site - These pages containing informations about contesting on 144MHz and higher bands. All informations are only in Czech language.
    [ Hits: 232 | Votes: 2 | Rating: 9.00 ]
DX Resources : Beacons : 10 meter beacons
  • KD4MZM Beacon system - The kd4mzm ham radio beacon system running a Cobra 148 GTL 40 channel AM/SSB unit modified to the 10 meter band
    [ Hits: 657 | Votes: 0 | Rating: 0.00 ]
Internet and Radio : WebSDR
  • WebSDR in USA W4MQ  pop - Internet Remote Base WebSDR radio receive from Reston, Virginia with remote control cover 160 40 and 20 meters band
    [ Hits: 31059 | Votes: 197 | Rating: 6.52 ]
Radio Equipment : HF Amplifiers : Acom 1000
  • Acom 1000 70 Mhz modification - ACOM 1000 modification uses electric band switching, such that both 6m and 4m operation can be maintained.
    [ Hits: 1401 | Votes: 0 | Rating: 0.00 ]
Technical Reference : Transverters
  • C Band Transverter - C Band Transverter for 5668 - 434MHz
    [ Hits: 1432 | Votes: 0 | Rating: 0.00 ]

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