QO-100 Satellite
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QO-100 Satellite

Now for something completely different – 13cm/3cm Satellite!

A21EME announced that they would be on QO-100 and so on a wet Sunday afternoon in October 2019, having already worked them on 2m and 6m, I decided to have a go at a junk-box QO-100 setup in the workshop: SG labs 13cm transverter, wi-fi 5w PA, 31el long yagi on TX. 80cm sat dish, unmodified LNB and RTL dongle on RX. Result - A21EME in the log.

I’m a Life Member of AMSAT NA but have not been active since the early 1980s (as H44PT on AO-10) so this is really fun.

March 2020 - my updated QO-100 setup is now operational:
IC-9700 TX on 432MHz into SG Labs 13cm transverter and SG Labs 20w PA feeding 1.2m offset dish via home brew patch feed (POTY).
IC-9700 RX on 144MHz from modified LNB with DX Patrol down converter and GPSDO locked.
With the IC-9700 in satellite mode this gives me full duplex transceive.
Can also RX with SDR Console or the Goonhilly websdr on my workshop PC (all options covered!:-)

I have adjusted my TX power to make my SSB signal about 2-3dB weaker than the beacon but at this level I sometimes trigger the LEILA alarm if I use CW. I only need about 3w at the dish so I run the system well backed off – so much so that I need to add another attenuator as the IC-9700 is already on minimum output.

29/7/2021 SPECIAL UPDATE The secret is out. NA continent is now on QO-100 satellite!! A couple of months ago I asked Bo OX3LX if he was interested in trying QO-100 - just above the horizon in SE Greenland. Many thanks to the “Thee Musketeers” PE1CMO, PA2V and PA3FYM for supplying the flyaway kit and to Bo Christensen OX3LX for finding a suitable location in Greenland. Surprised and delighted to get the first ever QO-100 QSO with “NA” Continent on 29/7/2021 after txt from Bo for test. CLICK TO HEAR THE TEST

My QSO(s) with Bo meant that I had Worked All Continents on QO-100 - and here is the certificate to prove it:-)

Recent new ones: 9M2CQC, OJ0D, UN8PFE, 3DA0RU, ZA/HB9ERD/P, Z38/HB9ERD, HV0A, 7P8Z
22/10/21 - Just received LOTW confirmation from 7P8Z DXCC#100 confirmed on LOTW out of 122 worked on QO-100
24/10 C5C Gambia
28/10 3X2021 Guinea
12/11 S21RC Bangladesh

Results below updated when I remember!   Last updated: 12/11/2021;-)

since 2/10/2014:
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G8BCG / H44PT SMIRK Member # 4780
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G8BCG UKSMG Member # 1570

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