u/Astroflynn1

Meteor-M N2-4

Got great south coverage down to north Africa (received from Belgium), but the northern coverage has never been worse because of some issue with my antenna.
Antenna: 54cm diameter helicone
SDR: RTL-SDR Blog V4
LNA: SAWbird+ GOES
I am pretty sure the issue is something with the solder joints, the helix is soldered good (solder point looks very bad but works), but because the screw was so loose i soldered a small wire between de negative side of the SMA panel mount and the sheet metal, but that joint came loose so i did wonder how i even received anything without an actual negative connection.

u/Astroflynn1 — 4 days ago

▲ 2 r/amateursatellites

Issue Metop-C

I got the best SNR from Metop-C ever, on an 86° pass from Belgium. I got around 8.3 dB peak, but the QPSK demodulator showed a sort of donut shape with hole in middle, instead of the 4 dots you should need to see. Then, after it crossed a certain point it did start decoding, and instantly switched from donut shape to the QPSK and started decoding, but the entire northern section seemed to be another signal type, even though the waterfall signal looked the same on both sections of the pass. What could be the issue?

https://preview.redd.it/8dk15rsu98th1.png?width=1434&format=png&auto=webp&s=5b16db99648faf7d2a32882947fb866553dbbb77

reddit.com

u/Astroflynn1 — 12 days ago