50 s radio

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50 s radio

247 links

Antennas : 6M : 6 meter Yagi Antennas Antennas : Baluns : 1 to 1 Balun
  • A 1:1 Coaxial Balun  pop - PDF article about a coaxial 1:1 balun, original concept by I4BBE using a quarter-wavelength and the three-quarter-wave adapting sections with the 50-Ohm coaxial cable by I0QM
    [ Hits: 44462 | Votes: 30 | Rating: 7.22 ]
Antennas : Multiband
  • W4JOH Cobra Antenna - The original Cobra antenna, is a multiband 160 or 80 to 10 meter, designed by W4JOH is built using standard insulated wire of about 14 gauge and fed with 450 ohm ladder line down to the shack into a tuner.
    [ Hits: 1709 | Votes: 1 | Rating: 10 ]
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: 5343 | Votes: 5 | Rating: 7.4 ]
Antennas : Theory : Antenna Gain
  • Antenna Gain versus Height - Antenna gain for horizontal, vertical, and tilted orientation of a dipole for heights between 5 and 50 feet.
    [ Hits: 1766 | Votes: 8 | Rating: 4.75 ]
Antennas : WiFi
  • 2.4GHz Cubic Quad Antenna  pop - The Cubic Quad antenna is a commonly homemade antenna in the range of about 150 odd MHz. Our little project was to design one of these for use in the 2.4GHz range for 802.11 wireless LANs.
    [ Hits: 37191 | Votes: 70 | Rating: 5.46 ]
Antique Radios : Collections
  • Adrian's British - A site mainly concerning British Portable Valve Radios of the 1950's
    [ Hits: 671 | Votes: 1 | Rating: 10 ]
Antique Radios : Museums DX Resources : Ham Radio Awards : Lighthouses Awards
  • Amateur Radio Lighthouse Society - Founded in 2000 by Jim Weidner, K2JXW, a licensed ham operator for over 50 years, the ARLHS is the only society of its kind devoted to Maritime Communications, Ham Radio, Lighthouses, and Lightships.
    [ Hits: 1222 | Votes: 5 | Rating: 5.8 ]
Ham Radio : Clubs : Contest Clubs Manufacturers : Amplifiers
  • RF Electronics - 500 W, KW and 6M ham radio amplifier kits for export
    [ Hits: 5490 | Votes: 3 | Rating: 8.67 ]
Manufacturers : Transceivers
  • Low Power Radio and Broadcast Company - Manufacturers of high performance low power am transmitter products: sstran amt3000, bc-100, and the mw-250. for home and professional use.
    [ Hits: 2729 | Votes: 1 | Rating: 5 ]
Operating Aids : Beginner's Guides Radio Equipment : HF Transceivers : Yaesu FT-897
  • Yaesu FNB-78 battery for FT-897 - The Yaesu FNB-78 Battery plugs into the FT-897/D. It produces 13.2 VDC at 4500 mAh. The radio can hold one or two and one can be in use while the other is charging.
    [ Hits: 3683 | Votes: 3 | Rating: 5 ]
Shopping and Services : Microwave
  • Down East Microwave - Supplier of amateur radio equipment for 50MHz and above in New Jersey
    [ Hits: 2773 | Votes: 2 | Rating: 5 ]
Shortwave Radio : Broadcasters
  • WBCQ The Planet - This summer, WBCQ is running The Voice of the M/S Katie, live radio broadcasts originating from our radio ship the M/S Katie in Boston, Massachusetts. WBCQ broadcasts 50,000 watts on each of its four international shortwave transmitters on 5.110, 7.415, 9.330 and 18.910 MHz
    [ Hits: 860 | Votes: 2 | Rating: 10 ]
Software : Contesting
  • VHFCtest4Win - VHFCtest4Win is software for contest logging QSO's on VHF bands (50MHz and up). It is build for all windows versions from Windows 95 and up. by S52AA
    [ Hits: 951 | Votes: 5 | Rating: 10 ]
Software : Propagation
  • PalmProp - PalmProp is a software for PalmOs dedicated to the forcast of HF radiowave propagation by f5hla
    [ Hits: 1002 | Votes: 2 | Rating: 10 ]
Software : Radio Control
  • SCAN505 - A simple freeware scanner program for the Kachina DSP505. The software does NOT control the radio thru the interface port - it works in conjuction with the Kachina control software using the file interface
    [ Hits: 480 | Votes: 1 | Rating: 10 ]
Technical Reference : Amplifiers : VHF Amplifiers

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