30.9°E Türksat 5A

I think that all I am seeing is transponder noise but they could be real signals, I suppose. During testing, the DVB was receivable at 9-13dB SNR. The LNB is an SMW 12.25-12.75GHz PLL which had an 11.3GHz LO in 2021 but I have modified it to an 11.75GHz LO. The performance is only slightly improved with ~2dB NF, still not great. The notch in the 2021 plot is due to the LO spurious in band. I have about 0.15dB ground noise. The dish is a Prodelin 3122 1.2m offset.

Today's scan was the same as the one above with just transponder noise and the beacon. Here is a close in plot of the beacon on 13401V with an SNR of ~35dB in 500Hz:

I could only check horizontal polarisation but there were 3 signals today including the beacon. I used an SMW Q-PLL type R set to 11.3GHz LO. It's not great with a NF of 3-4dB at 13.6G. 1.8m dish.

Beacon on 13401H

Carrier on 13584H

Frequency hopper. 13416H = 421.4MHz, spectrum inverted. Approx 1 hop/second

Zitat von s-band

I could only check horizontal polarisation but there were 3 signals today including the beacon. I used an SMW Q-PLL type R set to 11.3GHz LO. It's not great with a NF of 3-4dB at 13.6G. 1.8m dish.

Iv'e got the three up here again as well , usual beacon @ .401 , for me today the frequency hopping is between 13.415 V to 13.417 V. The strong marker at 13584.5 seems to be circular, possibly LHC. [ only using a linear feed onto a Chinese Universal Ext Ku lnbf on a 1.2m CM dish ]