satellite

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satellite

258 links - and 10 categories

Antennas : Lindenblad Antennas : Quadrifilar Helix
  • QFH antenna for weather satellite band - This article describes how to make a quadrifilar helix (QFH) antenna easily, from inexpensive materials: uPVC plumbing pipe and RG-58U co-axial cable
    [ Hits: 4066 | Votes: 16 | Rating: 5.25 ]
Antennas : Satellite
  • Handi-Tenna portable satellite antenna - Here is a high-performance hand-held beam antenna that is easy to build and guaranteed to improve your downlink from the LEO satellites over ANY rubber duck or mobile whip
    [ Hits: 12996 | Votes: 7 | Rating: 7.37 ]
Manufacturers : Power Supply
  • National RF, Inc. - National rf provides consulting engineer services, and manufactures direction finding antennas, test equipment, communications receiving equipment and adjuncts, satellite antennas, voice amplification and audio equipment.
    [ Hits: 735 | Votes: 0 | Rating: 0 ]
Operating Aids : Beginner's Guides
  • Ham Radio communications can be fun ! - Ham radio activities, from satellite operations, eme communications, dxing and contesting, qsling and direction findings, are just some of ham radio exciting activities
    [ Hits: 629 | Votes: 0 | Rating: 0 ]
Operating Modes : Satellites
  • ESA Portal - Calling all radio amateurs - Radio amateurs worldwide are being asked to help collect data from the student-built SSETI Express satellite, due to be placed in orbit on 27 September. To encourage them, ESA’s Education department has organised two competitions and is supplying free downloadable software.
    [ Hits: 423 | Votes: 0 | Rating: 0 ]
  • Amsat DSP Satellite Transceiver Project - The DSP Satellite Transceiver is a conceptual transceiver designed as a dedicated unit for amateur satellite operators. The initial concept was brought about by the lack of satellite functionality on modern amateur radio transceivers, and the specialized requirements of the ham radio operator who utilizes OSCAR amateur satellites.
    [ Hits: 3514 | Votes: 6 | Rating: 6.67 ]
  • G4ILO Receiving weather satellites - If you are interested in the environment, the weather and other natural phenomena then there is something magical about being able to see pictures of the earth from space just as it is right this minute. One way you can do this is by receiving images from weather satellites.
    [ Hits: 2046 | Votes: 1 | Rating: 10 ]
Operating Modes : Satellites : Real Time Tracking
  • Real Time Satellite tracking  pop - Select your favorite satellite and watch its trajectory on Google Maps in real time! Includes ISS tracking, Weather, Geostationary, GPS Military, and of course Amateur radio satellites
    [ Hits: 30240 | Votes: 103 | Rating: 5.53 ]
Shopping and Services : Kits and Components
  • Wyzcom - Amateur TV, Satellite TV Equipment, Broadband Via Satellite, Weather Monitoring
    [ Hits: 463 | Votes: 0 | Rating: 0 ]
Software : Antenna analysis
  • HamCalc v1.3  pop - HamCalc is a free collection of calculators for radio amateurs include Antenna ERP calculations, Attenuators, Audio Filter design, Coil Winding, Decibels, Great Circles map and calculator, HF Filters, HF Traps, Metric conversions OP Amps QRA Locator to Latitude/Longitude, Radio Horizon calculator, Resonance Satellite orbit calculator Timer calculations (555 timer)Zener Diode calculations Download zip By G4VWL
    [ Hits: 27110 | Votes: 104 | Rating: 5.4 ]
Software : DSP
  • Phase 3D (AO-40) Decoder - This program demodulates the telemetry data signal transmitted by the AO-40 satellite (aka Phase III-D) using the PC sound card
    [ Hits: 1584 | Votes: 1 | Rating: 5 ]
Software : Satellite tracking
  • Gpredict - Gpredict is a satellite tracking program for Unix-like operating systems. In the begining (v. 0.1.x) Gpredict was just a GUI client to John Magliacane's excellent satellite tracking program, Predict, but due to performance problems it has been decided to include the tracking code directly into Gnome Predict (v. 0.2.0 and later).
    [ Hits: 3348 | Votes: 8 | Rating: 9.25 ]
  • FlyOver - FlyOver predicts satellite fly-over times and helps you spot it. FlyOver uses the same kind of equations that NORAD uses, so it's extremely accurate, too
    [ Hits: 2977 | Votes: 2 | Rating: 6 ]
  • TrackingSat - Wayana software has a commercial and freeware version of trackingsat, satellite tracking systems.
    [ Hits: 1599 | Votes: 9 | Rating: 9.11 ]
  • GrafTrak - Joe Bijou, WB5CCJ, and Richard Allen, W5SXD, are pleased to be able to provide our users and the satellite community with new Y2K compatible versions of Silicon Solutions satellite tracking software. These programs are free to be downloaded and used by anyone
    [ Hits: 1724 | Votes: 1 | Rating: 10 ]
  • UJYSAT - UJYSAT is a new software for satellite tracking written by IT9UJY, This software is totally free for Amteur Radio only.
    [ Hits: 2119 | Votes: 4 | Rating: 7.25 ]
  • 0sxsat - On the Satellitenprogram of DJ0SX Peter one can provide time schedules for over 500 satellites or count 23 satellites real-time imTextmode. The large advantage exists in thought out and of long observation practice which are due flexibility in the selection and the requirements to a satellite program. The program runs under Windows 95/98, NT, XP, 2000
    [ Hits: 4883 | Votes: 6 | Rating: 4.5 ]
  • GorbTrack - GorbTrack or Geostationary Orbit Tracker is a freeware program intended to be an aid in finding geostationary satellites. It produces output helpful in aiming dishes for receiving television broadcast satellites. The program also displays several astronomical values like the positions of the sun and moon
    [ Hits: 10174 | Votes: 29 | Rating: 6.89 ]
Technical Reference : Antenna Rotator
  • Antenna elevator system for amateur satellites - Smart homebrew antenna-ELEVATOR system with linear actuator. The actuator is a cheap and heavy tool with high enough torque, ideal for elevation systems, but in practice it needs quite an effort in order to operate correctly in your homebrew antenna system. This page inform you of the actuator's secrets.
    [ Hits: 21694 | Votes: 42 | Rating: 7.6 ]

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