hf online

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hf online

36 links

Antennas : VHF UHF
  • VHF/UHF Yagi Antenna Design  updated  pop - Design your VHF UHF Yagi antenna online, a JavaScript enhanced web page that implements the design of an antenna for 2m and 70cm bands. This page offers a streamlined experience for Yagi antenna design enthusiasts. It assumes prior knowledge of Yagi design principles, minimizing distractions with a user-friendly interface. Equipped with essential equations, it provides instant design feedback. Red font warnings indicate design limitations, ensuring practical results. Constraints include Gain (11.8-21.6 dBd) and Boom Length (2.2-39 wavelengths), with additional frequency-dependent restrictions noted in input fields.
    [ Hits: 147387 | Votes: 1105 | Rating: 6.95 ]
DX Resources : Logs
  • 7QNL Log Online - log search for 7QNL
    [ Hits: 403 | Votes: 1 | Rating: 2 ]
Ham Radio : Clubs : Contest Clubs
  • Badger Contesters Online - The Badger Contesters is a club of like-minded hams who are interested in VHF/UHF/SHF weak signal communications. Our geographic focus is Wisconsin, however hams in Northern Illinois, Michigan's UP, and Eastern Minnesota are welcome to join us.
    [ Hits: 401 | Votes: 2 | Rating: 9 ]
Ham Radio : Exams
  • The Art & Skill of Radio-Telegraphy - A freware book on learning morse-code. The Art & Skill of Radio-Telegraphy Third Revised Edition by William G. Pierpont N0HFF, online version available in multiple languages
    [ Hits: 1874 | Votes: 3 | Rating: 8 ]
Ham Radio : Personal Pages : Europe
  • HA8TKS - Home page with nice DX Tools, VHF DX Cluster map, QRB calculator and personal online log-book
    [ Hits: 271 | Votes: 2 | Rating: 9.5 ]
Ham Radio : Resources
  • Ukrainian HF portal - Ukrainian radioamateur on HF: DX News, Contesting, Propagation, Conference, Photo, Radioamateur Map, Online Logs etc.
    [ Hits: 563 | Votes: 130 | Rating: 9.05 ]
Internet and Radio : Online Receivers
  • VR2HF Online Yaesu FT-817  pop - Online Yaesu FT-817 transceiver (receive only over the Net) using R.A.T.S. control software and MS Netmeeting for program access and audio. Asia's first online receiver, first online FT-817, and worlds first full-featured online receiver (operates just like a desktop radio including audio encoding time of less than 1 second). Operating from a flat in Kowloon, Hong Kong. Open to all.
    [ Hits: 46869 | Votes: 220 | Rating: 4.58 ]
  • Kenwood TS50 web control - This is an academical project to control my TS50 from the web.You can of course listen live real time audio. It is not 24 hours/day ONLINE, but click on the link to know if its connected.
    [ Hits: 9030 | Votes: 31 | Rating: 5.8 ]
Internet and Radio : WebSDR
  • HB9FX Internet Remote Base JN37XH Hochwacht Zofingen Switzerland - Online web receiver powered by OpenWebRX based in Switzerland. You can isten between 10kHz - 10GHz frequencies. Receiver is operated by HB9BHU Rig VLF/HF/VHF: Airspy HF+, Magnetic Loop/Discone Rig SHF X-Band LNB, RTL-SDR, Stacked Slot Antenna
    [ Hits: 14051 | Votes: 111 | Rating: 6.7 ]
Manufacturers : Baluns
  • Amidon Baluns - HF baluns by amidon.de with online shop
    [ Hits: 2538 | Votes: 2 | Rating: 5.5 ]
Operating Aids : Maps Operating Modes : VHF UHF Propagation : Resources
  • HF Propagational Resources - Create Online Maps, Check Forcasts and Conditions, more features being added each month, by hfradio.org
    [ Hits: 7075 | Votes: 177 | Rating: 8.66 ]
Radio Equipment : HF Amplifiers : Acom 1000
  • ACOM 1000 by PA3HGT - A nice review of the Acom 1000 HF and 6 meter RFpower amplifier by Acom in Dutch and with online google translation available. Includes pictures and notes of the popular amplifier by Acom.
    [ Hits: 557 | Votes: 2 | Rating: 5.5 ]
Shopping and Services : Antennas
  • Outbacker Antenna shop - Outbacker HF Mobile Antenna from Down-Under, Old Fashioned Service in secure online shopping
    [ Hits: 1463 | Votes: 3 | Rating: 3 ]
Shopping and Services : Kits and Components
  • EA3GCY Radio Kits - Amateur radio kits online shop, includes Mini Touch Key, QRP HF SSB and CW transceiver kits
    [ Hits: 589 | Votes: 0 | Rating: 0 ]
Shopping and Services : Regional : USA
  • Universal Radio  pop - Online Catalog. All about Radio comms, HF VHF Scanner CB radios, antennas and accessories
    [ Hits: 30224 | Votes: 34 | Rating: 7.02 ]
Software : Antenna analysis
  • HF Beam Calculator - A javascipt online calculator for 2 and 3 element beam antennas. Just input frequency and will diplay element dimensions and spacing. Measurements in Feet and Meters by G4VWL
    [ Hits: 3437 | Votes: 27 | Rating: 5.45 ]
Software : Propagation
  • Proppy Online HF Propagation Prediction - Proppy: Online HF propagation predictions using the ITU Recommendation P.533-13 Propagation Prediction Application.
    [ Hits: 2160 | Votes: 14 | Rating: 9.65 ]
Technical Reference : Amplifiers : VHF Amplifiers

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