hf signal

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hf signal

57 links

Ham Radio : Personal Pages : Europe
  • F6CRP Denis - Site devoted to weak signal traffic SSB/CW V/UHF meteor Scatter,tropo, aurora, fai, ES homebrew
    [ Hits: 839 | Votes: 15 | Rating: 8 ]
Internet and Radio : Sounds
  • Digital Signals - signals and sounds available on shortwave/vhf radio today along with information on the available equipment needed to understand, analyze or identify these signals
    [ Hits: 9315 | Votes: 13 | Rating: 4.92 ]
Manufacturers : Accessories
  • LinkPlus - LinkPlus products enhance the voice quality of HF SSB amateur. Eliminates virtually all channel noise and interference and greatly strengthens SSB radio signals
    [ Hits: 839 | Votes: 2 | Rating: 5.5 ]
Manufacturers : Digital and Packet Radio
  • Hoka Electronics - The WWW home page for information about our specialist range of HF and VHF radio digital signals' analysis and decoding equipment.
    [ Hits: 1557 | Votes: 3 | Rating: 7 ]
Operating Modes : EME
  • G4CCH EME 1296Mhz - News of latest radio activity, initial contacts list, recordings of EME signals, information about station, and overview of latest projects.
    [ Hits: 874 | Votes: 6 | Rating: 8.17 ]
  • Weak Signal VHF by Tim Marek - K7XC - A complete guide to operating the weak signal modes on VHF/UHF/Microwaves. VHF Contesting honor role for the western states, rover, eme basics and vhf contesting.
    [ Hits: 1089 | Votes: 3 | Rating: 10 ]
Operating Modes : JT65
  • JT65 Protocol - JT65 is a digital protocol intended for Amateur Radio communication with extremely weak signals. It was designed to optimize Earth-Moon-Earth (EME) contacts on the VHF bands, and conforms efficiently to the established standards and procedures for such QSOs.
    [ Hits: 1219 | Votes: 3 | Rating: 7 ]
Operating Modes : Packet Radio
  • WA4DSY 56KB RF Modem - This is a prototype of the WA4DSY 56KB RF modem. It is intended for use on amateur packet radio networks. The modem generates RF in the 28 to 30 mhz range and requires and linear transverter to convert the signal to a UHF or microwave ham band
    [ Hits: 941 | Votes: 0 | Rating: 0 ]
Operating Modes : Weak Signal
  • ARRL web: EME and Weak Signals - Moon bounce EME, meteor scatter and weak signal operations, introduction by ARRL.
    [ Hits: 1959 | Votes: 0 | Rating: 0 ]
Propagation : Long-Delayed Echoes
  • Unusual HF Propagation Phenomena - This page has a collection of audio samples from unusual HF propagation phenomena, from round-the-world propagation to moonbounced signals , and to ducted transmission.
    [ Hits: 386 | Votes: 0 | Rating: 0 ]
Propagation : Resources
  • The ionosphere at VHF - Influence of the ionosphere on the EME signals by EAVQ
    [ Hits: 537 | Votes: 0 | Rating: 0 ]
Radio Equipment : HF Transceivers : Kenwood TS-950SDX
  • Kenwood TS-950S RF gain mod - The Kenwood TS-950S and TS-950SD HF transceivers are fine radios. However, many, if not all, of them were produced with a design flaw which allows the RG GAIN control to cease function in the presence of a strong signal IF the AGC has been turned OFF
    [ Hits: 1524 | Votes: 1 | Rating: 1 ]
Radio Equipment : HF Transceivers : Yaesu FT-1000MP
  • FT-1000D: The G3TKF Synchro Mod - If you have an FT-1000 with the BPF-1 option, and are into HF weak signal DXing, this is for you. Although not for beginners, it should be no problem for hams with some home building experience.
    [ Hits: 733 | Votes: 1 | Rating: 10 ]
Shopping and Services : Regional : Europe : Italy
  • Grandicelli - Hf-vhf-uhf-shf-digital-monitoring-site,wavecom Decoder and tools, winradio and DRM decoders, WD3000 Direction Finding System , radioraft software. PFSL3000 Integrated HF-VHF-UHF signal monitorin
    [ Hits: 699 | Votes: 0 | Rating: 0 ]
Shortwave Radio : SWL Resources
  • Weather Satellite FAQ - A comprehensive guide to receive Weather Satellites signals in wefax mode
    [ Hits: 1870 | Votes: 1 | Rating: 8 ]
Software : Audio Recorders
  • Scanrec Scanner Recorder - Scanner Recorder (Scanrec) is a free audio recorder that is primarily designed to record speech. It has a VOX control that allows the user to save disk space when no sound is present in the signal. Since FM communications has such an effective squelch, the recorder works best with FM. HF ham bands and World Band radio have such a poor signal to noise ratio that the VOX gate on Scanrec might not be very easy to set.
    [ Hits: 13353 | Votes: 45 | Rating: 7.1 ]
Software : Beacon Monitoring
  • BeaconSee - BeaconSee shows you, in real time, worldwide HF band openings on your PC. Analyses the audio signals from your radio, which is tuned to the NCDXF IARU HF beacon network and shows you the signal strength received from each of the 18 beacon transmitters as a plot of frequency spectrum against time.
    [ Hits: 6456 | Votes: 11 | Rating: 7.99 ]
Software : DSP
  • WSJT High Speed Meteorscatter - "Software uses four-tone frequency-shift keying for meteor scatter. WSJT stands for ""Weak Signal communications, by K1JT"", and plans call for the program to include more than one communication mode."
    [ Hits: 1082 | Votes: 8 | Rating: 10 ]
Technical Reference : Radio Frequency Interference
  • 6m High Pass TVI filter - Are you suffering from TVI? Then why not try this filter for size. It is a three-stage high-pass filter that blocks low-frequency 50MHz signals while letting through UHF TV.
    [ Hits: 1398 | Votes: 2 | Rating: 3 ]
Technical Reference : Software Defined Radio
  • DSP-10 2-meter DSP transceiver - The DSP-10 is an amateur-radio, software-defined 2-meter transceiver that can be built at home. It operates not only on SSB, FM and CW, but also on four Weak-Signal modes. Features are tailored to operation on VHF, UHF and Microwave frequencies. By W7PUA
    [ Hits: 14902 | Votes: 37 | Rating: 8.17 ]

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