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Ham Member Lookups: 5520

 

First callsign was IW1AM now reassigned.  Main interest was in Weather Satellite Pictures and Satellite Communication and with the help of my friend Roberto I1BAB, I built my first APT station in 1978, receiving and decoding pictures from TIROS-N using wefax machine and a modified TV set.

Now I receive HRPT, APT and Meteosat second generation MSG DVB (EumetCast).  Actually most of my atctivity is in amateur Deep Space Network spacecraft detection at 8400 MHz, amateur Radio Astronomy at 1420 MHz and sometimes EME JT65 at 1296 MHz.

Next challenge is receiving Pulsar B0329+54 and along my friend Nando I1NDP, we spent some week-end together and using his big 10m dish and his software know-how, finally the B0329+54 pulsar appeared from post-processing.

 ISS live HamTv during ARISS contact is another interesting story as well as chasing radiosondes. 

 I was active on AO-40 S-band transponder and now on FO-29 and Cubesat, awaiting for Es'hail-2

 

 

Satellite az/el steerable array   2x11 VHF(15dBD)   4x23 UHF(21dBD)   403 MHz 21elements(12dBD) 1296 MHz 55 elements(16dBD)

 

A very interesting and constructive adventure in contact with the great people of PoliTo Cubesat Team

Here NASA astronaut Jack Fischer K2FSH on board ISS during 13th june 2017 ARISS audio/video contact with Space Center Houston, TX (USA).  Video live reception at 2395 MHz with 1.2m PF dish, 3.5 turns helix feed, G4DKK LNA, G5600 az/el rotator, DATV downconverter, DVB S2-1600 PCI tuner, decoding software is Tutioune v 0.06h by Jean-Pierre F6DZP

RF Signal is quite weak, constellations is poor though audio/video are still good.

 

 

Here Paolo Nespoli in contact with "Cittadella Mediterranea della Scienza di Bari" on 21st october 2017 teaching to Alessia how to make a shower in space :-)

 

240cm prime focus plain dish fully steerable with multifeed support, back the120cm dish on 2,4Mhz working since AO-40

 

Here my best DX, Cassini space probe around Saturn during REX (Radio EXperiment) on July 19  2017. Distance was 9.216 Astronomical Unit equal to 1 378 693 976 Km from Earth, signal needs 76 minutes to reach my antenna. Set-up: 240cm dish, Chaparral feed with 0.7 dB LNA + Ferranti Xband surplus LNC and 8GHz GPSDO downconverter+ AoR 5000 rubidium 10 MHz controlled + RF SPACE SDR-14 at 10.7MHz and SpectraVue software

 

Signal received from Juno spacecraft at 8403.41940 MHz while orbiting around Jupiter at more than 754 millions km from earth. Set-up as above.

 

Signal received from Rosetta spacecraft at 8421.656 MHz while orbiting around comet 67P at more than 405 millions km from Earth.  240cm dish, Chaparral feed with 0.7 dB LNA + Ferranti Xband surplus LNC and 8GHz GPSDO downconverter+ AoR 5000 rubidium 10 MHz controlled + RF SPACE SDR-14 at 10.7MHz and SpectraVue software. 

 

Radio astronomy observation: Milky Way, galactic plane at longitude 110°,  Cassiopeia A region, saw at 1420 Mhz, neutral hydrogen line,  using the above dish with VE4MA feed and 0.35dB VLNA, AoR 5000 +RF SPACE SDR-14 at 10.7MHz and SpectraVue software, high FFT averaging.

 

Observation of Sun on 5 march 2015, hydrogen line, two dish radio interferometer, east-west  baseline, nice fringes of side lobes too.

 

Hayabusa-2, Jaxa ion propulsion spacecraft probe observation at 8425.731 MHz, while at 2.3 million km on his four years journey to Apollo asteroid Ryugu.

 

Juno spacecraft at 8403.84 MHz after 9 oct 2013 Earth flyby enroute to Jove. 240cm dish, Chaparral feed with 0.7 dB LNA + Ferranti Xband surplus LNC and 8GHz GPSDO converter+ AoR 5000 rubidium 10 MHz controlled + RF SPACE SDR-14 at 10.7MHz and SpectraVue software.

 

Signal from Mars Express spacecraft orbiting around Mars at 290 million Km, frequency 8420.825, setup as above, impressive doppler shift.

8402192 Last modified: 2017-10-21 18:48:50, 9031 bytes

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