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70 MHz

137 links and 3 categories about 70 MHz on dxzone.com

Result Page:  1 2 3 4 5 6 [next]
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Antennas : 2M
  • G4CQM Homebrew VHF Yagi antennas - Homebrew VHF Yagi 50MHz 144MHz 432MHz 1296MHz 2320MHz 6M 2M 70CM 23CM 13CM Yagis
    [ Hits: 17667 | Votes: 90 | Rating: 8.41 ]
  • QM7 7 elements 144 MHz Yagi-Uda Antenna - The QM7 antenna is a simple 7 elements Yagi with 3.70 m boom length for the lower 144 MHz SSB/MGM band, used it mainly for Sporadic-E and MS contacts. It exhibits a forward gain of 11.35 dBd; i.e. 13.5 dB forward gain over the isotropic radiator, while the F/R is about 12.5 dB
    [ Hits: 5010 | Votes: 13 | Rating: 5.69 ]
Antennas : 40M Antennas : 4M
  • 7 element Yagi for 70MHz - Build a 7 Element 4M (70MHz) Beam By Paul Graver, M1CCZ
    [ Hits: 491 | Votes: 0 | Rating: 0.00 ]
  • 70MHz-Yagis - Various Yagi antennas for 70 Mhz band
    [ Hits: 4510 | Votes: 13 | Rating: 6.55 ]
  • Vertical half-wave aerials for 4m - Practical designs pictures and alternative design of antennas for 70 Mhz by Ross Wilkinson G0WJR
    [ Hits: 6461 | Votes: 10 | Rating: 4.59 ]
Antennas : 70cm
  • BVO70 Yagis by DJ9BV - The latest and best yagi beams for 432MHz tested and optimized with NEC
    [ Hits: 7055 | Votes: 26 | Rating: 4.93 ]
  • 440 Mhz J-Pole Antenna plans - Here is a 70cm (440 Mhz) J-Pole antenna that is inexpensive, and easy to build. Author use 1/2 inch copper pipe, and the associated fittings necessary. The dimensions arenít typical however, this is what it took to get its SWR low.
    [ Hits: 15625 | Votes: 25 | Rating: 4.63 ]
Antennas : Satellite
  • K5OE, 70 cm Quagi Antenna - An AO-10 antenna by K5OE, this design is optimized for 436.8 mHz with a 50 Ohm feed
    [ Hits: 4731 | Votes: 4 | Rating: 9.00 ]
Antennas : VHF UHF
  • 1270Mhz Yagi Antenna - Build your own antenna for the 23cm band ( 1250Mhz - 1280Mc ) using some aluminium and this simple design.
    [ Hits: 11068 | Votes: 15 | Rating: 6.21 ]
CB Radio : References
  • CB SSTV - Last sstv images recived on 27.700 Mhz 11m by 30 PE Elias
    [ Hits: 1910 | Votes: 27 | Rating: 7.00 ]
DX Resources : Beacons : 6 meters beacons
  • SK3SIX Beacon - Beacon in Sweden on 50.070 MHz
    [ Hits: 715 | Votes: 2 | Rating: 8.50 ]
DX Resources : Beacons : Beacon Lists DX Resources : Nets
  • The Trans Provincial Net - The Trans Provincial Net meets daily on 7.055 Mhz, 7am to 6pm EST daily
    [ Hits: 1073 | Votes: 27 | Rating: 8.22 ]
DX Resources : Newsletters Ham Radio : Clubs : North America : USA : New York
  • LIMARC - The Official Web Site of the Long Island Mobile Amatuer Radio Club. The 4th largest ham radio club in the USA! We have 3 hamfests a year and repeaters on 2M, 70 CM, 220 Mhz and 1.2 Gig.
    [ Hits: 997 | Votes: 1 | Rating: 2.00 ]
Internet and Radio : Online Receivers
  • PSK31 Web Receiver - These web receiver based in Kiew Ukraine show PSK31 activity on 20m band 14.070-14.074 MHz remotely by using a web browser. Requires java by the MixW team
    [ Hits: 4066 | Votes: 17 | Rating: 6.54 ]
Manufacturers : Antennas : HF
  • Valcom Fibreglass Whip Antennas - Manufacturer of Fibreglass Whip Antennas, Low and mediun Frequency, HF and VHF Antennas Specialized in the design and manufacturing of a full range of Beacon (MF), AM Broadcasting 540 - 1700 KHz, HF 1.7 to 30 MHz, VHF 30 to 156 MHz and UHF 200 to 500 MHz antennas.
    [ Hits: 2921 | Votes: 2 | Rating: 8.00 ]
Operating Modes : 70 MHz Propagation : Resources
  • Propagation below 10 MHz - About the band behaviour or propagation towards distant locations by SM6EHY
    [ Hits: 624 | Votes: 2 | Rating: 5.00 ]
Radio Equipment : HF Transceivers : Icom IC-706
  • Icom IC-706 mods - Enables out-of-band transmit for 1.6 MHz to 54 MHz, Improved VHF recieve mod, other band expansions
    [ Hits: 3045 | Votes: 3 | Rating: 5.67 ]
  • ICOM-706 TX RX Extended mods - extended transmit from 1.6 to 54 MHz, receive from .05 to about 165 MHz
    [ Hits: 1479 | Votes: 3 | Rating: 4.00 ]
  • Icom IC-706 Radio mods db - Info and mods for IC-706, IC-706 Expanded frequency IC706 - spare 0.3A, MARS/CAP Modification for ICOM IC-706, enables out-of-band transmit for 1.6 MHz to 54 MHz, ore sensitive transmit for 2 meter IC-706 60 MHz to 200 MHz band pass filter, Icom IC-706 Extended RX mod, ICOM 706 MKII Extended transmit mod, Special on IC706mkII TX range expansion for IC-706MKIIG, Expand only mod for the IC-706MkII
    [ Hits: 17997 | Votes: 11 | Rating: 5.55 ]
Radio Equipment : HF Transceivers : Yaesu FT-847
  • FT-847 on 70 Mhz - A further study of the spurious emissions from an FT-847 on 70MHz
    [ Hits: 1568 | Votes: 1 | Rating: 8.00 ]
Technical Reference : Homebrew
  • HA8ET Technical & Homebrew pages Priority listing - Technical Articles, Homebrew,Test & Measurements, (Returnloss Bridge 1,8 MHz...1300 MHz, 2m/70cm DIPLEXER...) Vacum Tube Databases, VHF-UHF-SHF Power amplifiers,HAM links, electronics links
    [ Hits: 16553 | Votes: 97 | Rating: 8.62 ]
  Result Page:  1 2 3 4 5 6 [next]
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