Search Results for "satellit"338 links - and 10 categories
Antennas : Helical
- 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: 3930 | Votes: 16 | Rating: 5.25 ]
- 13 cm Helix Antenna
- Here is the design of a 2.4 GHz antenna that is ideal for amateur satellite communications. This antenna is easy to assemble because the design itself tolerates inaccuracies in the construction without really affecting performance.
[ Hits: 63544 | Votes: 69 | Rating: 5.83 ]
- 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: 12403 | Votes: 7 | Rating: 7.37 ]
- Cross-Yagis for Terrestrial and Satellite Work
The 2x6-El.-Cross-Yagi (28 Ohm, 2.60m Boom) by Henk, PA3GUO
[ Hits: 4053 | Votes: 6 | Rating: 8.83 ]
- Cross-Yagi antennas
- For two purposes a Cross-Yagi can be useful Satellite work or if you need both vertical and horizontal polarization for terrestrial contacts
[ Hits: 3100 | Votes: 5 | Rating: 7.20 ]
- ITU: Frequency Allocations
- Table of frequency allocations for Amateur and Amateur Satellite Service
[ Hits: 1974 | Votes: 1 | Rating: 2.00 ]
- Ein satellit entsteht und andere amateurfunkaktivitäten...
[ Hits: 160 | Votes: 0 | Rating: 0.00 ]
- 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: 635 | Votes: 0 | Rating: 0.00 ]
- 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: 541 | Votes: 0 | Rating: 0.00 ]
- 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: 352 | Votes: 0 | Rating: 0.00 ]
- The Amateur Satellite Resource Guide
- a comprehensive guide to amateur satellite, written by Mike Seguin, N1JEZ in pdf format
[ Hits: 590 | Votes: 0 | Rating: 0.00 ]
- 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: 3371 | 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: 1844 | Votes: 1 | Rating: 10.00 ]
- NASA - Science@NASA J-Track Spacecraft
- The official NASA tool for orbital tracking of the International Space Station and the Space Shuttle is available through Human Space Flight's Orbital Tracking web page. Shuttle and Station tracking will be removed from J-Track in the near future, but many uncrewed satellites will still be available for tracking
[ Hits: 834 | Votes: 8 | Rating: 7.13 ]
- Real Time Satellite tracking
- 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: 29954 | Votes: 102 | Rating: 5.49 ]
- Amateur TV, Satellite TV Equipment, Broadband Via Satellite, Weather Monitoring
[ Hits: 375 | Votes: 0 | Rating: 0.00 ]
- Mikra s.r.l. - Surplus
- Surplus electronics, satellite receivers, GPS
[ Hits: 436 | Votes: 1 | Rating: 2.00 ]
- HamCalc v1.3
- 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: 23650 | Votes: 86 | Rating: 5.22 ]
- SatTrack Suite
- Satellite Tracking and Orbit Propagation, Reports and Mission Planning Products, Pass Scheduling and Orbit Event Analysis, Dynamic Communications Link Modeling, 3-D Visualization of Complex Scenarios
User Defined Regions and Contours, Constellation and Formation Flying Support, Global Positioning System Coverage
[ Hits: 2329 | Votes: 5 | Rating: 7.20 ]
- 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: 20871 | Votes: 40 | Rating: 7.50 ]
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