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doppler
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about doppler on dxzone.com
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Antennas : 70cm
- Quadrafilar Helix antenna for 436 Mhz
- This is an antenna that author just built. Was intend for receiving the AO-27 downlink (at 436.800 +/- doppler). It is built with right hand circular polarization, and the gain is supposed to be in the neighborhood of 3 DB.
[Hits: 2581 | Votes: 1 | Rate: 8.00] Internet and Radio : Live streaming
- VE3VRW Macintosh Satellite Gateway
- Listen to the Gateway Live on the internet
Amateur Radio Operators in Southern Ontario and Western New York have been using the VE3VRW Satellite Gateway via the Toronto Area SSPBD Repeater System to make contacts on AO-27, UO-14, SO-67, Sunsat, SO-41, SO-50, Echo, Mir and ISS since it was first installed in 1997. MacDoppler tracks the FM UHF/VHF Amateur Radio satellites 24 hours a day, 7 days a week.
[Hits: 865 | Votes: 3 | Rate: 1.33] Internet and Radio : Video
- How To Make A VO-52 SAT QSO Video
- Using a home made 10 element 435 & IO Loop for 145MHz, with a Yaesu FT-847. Simon - 2E0HTS, adjusts his (uplink) transmitted signal to correct the doppler of the Received (downlink) frequency.
[Hits: 301 | Votes: 0 | Rate: 0.00] Manufacturers : Digital and Packet Radio Manufacturers : Radio Direction Finding Operating Modes : Radio Direction Finding
- N6QAB Radio Direction Finding
- N6QAB Radio Direction Finding Web Site, DF vehicles, transmitters, sniffers, dopplers, TH-D7A
[Hits: 4246 | Votes: 4 | Rate: 9.00] - Build your DF Unit
- Building your doppler, pictures and instructions.
[Hits: 8698 | Votes: 4 | Rate: 3.75] - LU6DPP Doppler
- Doppler informations, building notes in Spanish
[Hits: 897 | Votes: 2 | Rate: 5.50] - Thunt.org : transmitter hunting
- Amateur radio direction finding, transmitter hunting web site from San Francisco. Triangulating a radio signal direction and plotting its bearing on a map. Hunters use doppler systems for tracking hidden transmitters anywhere in the san francisco bay area, fremont california
[Hits: 568 | Votes: 1 | Rate: 10.00] - The montreal doppler and more projects
- PIC microcontroller projects mainly Fox Hunting
[Hits: 724 | Votes: 1 | Rate: 10.00] Operating Modes : Radio Direction Finding : Clubs Operating Modes : Satellites
- The Doppler Shift
- A close up of Doppler Shift, a phenomenon which is commonly observed by the lay person, yet still confuses many amateur satellite operators.
[Hits: 110 | Votes: 0 | Rate: 0.00] - How Satellite Doppler Tracking Works
- The Doppler Effect allows the distance between a satellite transmitting from space and a radio receiver on the ground to be measured by observing how the frequency received from the satellite transmitter changes as the satellite approaches, passes overhead, and moves away.
[Hits: 164 | Votes: 2 | Rate: 5.50] - Doppler Satellite Tracking
- Dopller effects on satellite tracking
[Hits: 150 | Votes: 0 | Rate: 0.00] Propagation : Observatories
- Mt. Wilson Observatory
- Magnetogram, Dopplergram Intensitygram by Mt. Wilson 150-Foot Tower Data Images
[Hits: 652 | Votes: 1 | Rate: 5.00] Software : Macintosh
- MacDoppler
- MacDoppler and MacDopplerPRO 3D satellite tracking and station automation software for Macintosh by Dog Park Software Ltd.
[Hits: 1401 | Votes: 16 | Rate: 7.50] Software : Satellite tracking
- Nova For Windows
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- Real time tracking of an unlimited number of satellites, fast, accurate and easy to use. Automated FTP keps updates. Also support a great number of interface to control rotors azimuth and elevation plus frequency doppler shift.
[Hits: 22069 | Votes: 41 | Rate: 5.97] - HalloSat AO-40 Special Edition
- Freeware Tracking Program for AO-40.Based on Windows timesetting, thus automatic switching between normal and daylight saving time. Preview listings with a view to the passband schedule, to the squint angle and elevation. Integrated frequency calculation for transmit frequency (uplink) depending on receive frequency (downlink) with a view to dopplershift. CAT – Control for all Icom – Transceivers without IC-821.
[Hits: 1555 | Votes: 0 | Rate: 0.00]
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