astro

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Search Results for "astro"

127 links - and 1 categories

Antennas : Theory
  • Basics of antennas - The current, the voltage, the impedance, the bandwidth, the polarization, and how the earth influences the famous radiation pattern.
    [ Hits: 549 | Votes: 0 | Rating: 0.00 ]
  • The mystery of radials - Effect of radials on the efficiency of antennas.
    [ Hits: 182 | Votes: 0 | Rating: 0.00 ]
DX Resources : QSLing : QSL Galleries
  • Historical QSL Cards - QSL cards from the sixties by HE9FYE
    [ Hits: 294 | Votes: 0 | Rating: 0.00 ]
Ham Radio : Regional : India
  • IndiaHamS.com - Ham Radio India Website, Amateur Radio in Disaster and Emergency Communication,Amateur Astronomy,Ham Radio Lives
    [ Hits: 140 | Votes: 2 | Rating: 10.00 ]
Internet and Radio : Classifieds Internet and Radio : Sounds
  • Numbers Stations - About numbers stations, and their criptic transmissions, where to listen to them and some audio recording samples by fascinating shortwaves
    [ Hits: 1855 | Votes: 3 | Rating: 6.00 ]
Operating Modes : Amateur Radio Astronomy
  • marnic.org - F5VLB and EA4EOZ have designed a small but powerful system using satfinder and standard LNB to make radioastronomy. A step by step descritpion for the novice about radioastronomy, VLB and listening to echo of meteorite.
    [ Hits: 293 | Votes: 0 | Rating: 0.00 ]
Operating Modes : Amtor
  • Amtor - AMTOR putting one of those old modems back into use
    [ Hits: 113 | Votes: 0 | Rating: 0.00 ]
  • Amtor - Wikipedia page on AMTOR, Amateur Teleprinting Over Radio
    [ Hits: 87 | Votes: 0 | Rating: 0.00 ]
Operating Modes : Digital Voice
  • Digital Radio Mondiale - About DRM, the DRM standard, emission types, upfrading your old HF RX to DRM
    [ Hits: 374 | Votes: 2 | Rating: 1.00 ]
Operating Modes : Radio Direction Finding
  • Radio Direction Finding - introduction - History of Radio Direction Finding, performance and limitation of RDF Systems, RDF for non professional use
    [ Hits: 541 | Votes: 3 | Rating: 3.33 ]
Propagation : Observatories
  • Catania Observatory - Sun obserevatory in Catania Italy offer daily sun reports
    [ Hits: 171 | Votes: 0 | Rating: 0.00 ]
Propagation : Sunspots Radio Equipment : HF Transceivers : Elecraft K2 Radio Equipment : HF Transceivers : Elecraft K3
  • K3 Review by G4AON - Dave\'s astronomy magazine, Elecraft K3 review.
    [ Hits: 134 | Votes: 0 | Rating: 0.00 ]
Radio Equipment : HF Transceivers : Kenwood TS-570
  • Kenwood TS-570D review - The Kenwood TS-570D(G) transceiver (I), by Thierry Lombry, ON4SKY
    [ Hits: 833 | Votes: 1 | Rating: 9.00 ]
Radio Equipment : HF Transceivers : Yaesu FT-897 Shopping and Services : Microwave
  • InterTronic Solutions - Distributor for key system components used in satellite communications, radio astronomy, high energy microwave systems for physics and for high power solid state microwave systems for military, radar, medical and other applications.
    [ Hits: 75 | Votes: 0 | Rating: 0.00 ]
Shopping and Services : Regional : Europe : Spain
  • Astro Radio - Amateur radio shop in Barcelona Spain
    [ Hits: 533 | Votes: 0 | Rating: 0.00 ]
Shortwave Radio : SWL Resources
  • Fascinating Shortwaves - Article collection about shortwave listening, including number stations, tty fax reception samples, utility stations examples, navy and military morse metworks documention
    [ Hits: 609 | Votes: 0 | Rating: 0.00 ]
Technical Reference : Amplifiers
  • How to select a tube HF amplifier - Excellent article and guide to choose the best RF power amplifier that fit your needs by ON4SKY
    [ Hits: 437 | Votes: 1 | Rating: 10.00 ]
Technical Reference : Power Supply
  • Power Supply Analysis - This article explains how a linear power supply works, QST Article
    [ Hits: 619 | Votes: 0 | Rating: 0.00 ]
  • Astron Power Supplies Mods - Technical and modification information on Astron Power Supplies compiled from a number of different sources by Mike Morris WA6ILQ
    [ Hits: 1384 | Votes: 1 | Rating: 10.00 ]
  • Fix the Astron Power Supply Amp Meter - How fix Astron 70 model number VS-70M amp meter not working
    [ Hits: 200 | Votes: 0 | Rating: 0.00 ]
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