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Outlook for individuals • 20 m for 100 AU distance is equivalent to 20 cm for 1 AU • Have some signal margin: 60-80 cm SAT-TV dish (Ebay) • Probes within ca. 1 AU: MRO, VEX, Spitzer, MGS, MEX, NHPC (not much longer) • Headphones ok for conjunction of Venus and Mars, need soundcard-based DSP for rest of orbits • GPS stabilised OCXO : Ebay • Mixer: DB6NT or homemade or Ebay • LNA: DB6NT or homemade Amsat-UK Colloquium 2006 Achim Vollhardt, DH2VA/HB9DUN 35
Amateur-DSN group • Paul Marsh, M0EYT founded the Amateur-DSN Yahoo group in Dec 2005 • Over 200 members by now and growing • Few ‘hardcore’ stations (CT1DMK, EB3FRN, M0EYT, F5PL,…) • Few dozen qrv on 8.4 GHz, same number of stations setting up • New database lists stations and their equipment 1 – 5 m dishes are most popular GPS stabilised OCXO or Rubidium is rather <strong>com</strong>mon • Details for hardware construction (feeds, filters, …) online • Quick and immediate help for new<strong>com</strong>ers • Regular reports for several deep space probes Amsat-UK Colloquium 2006 Achim Vollhardt, DH2VA/HB9DUN 36
Page 1 and 2: System block diagram Amsat-UK Collo
Page 3 and 4: Frequency references (I) Need preci
Page 5 and 6: Setting everything up Amsat-UK Coll
Page 7 and 8: Setting everything up Amsat-UK Coll
Page 9 and 10: March 31 st , 2006 • Team met at
Page 11 and 12: Again: Ask the experts! • Last ch
Page 13 and 14: THE photo Amsat-UK Colloquium 2006
Page 15: Future prospects for Bochum • Rep
Page 19: Thank you! "Every vision is a joke

System block diagram - Ok1mjo.com

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