Today on 103W SES3 Ku, I was able to compare two NBC signals simultaneously:
Signal 1: DVB-S2 (8PSK) FEC 3/4 4600 kbps (NBC feed)
Signal 2: DVB-S2 (8PSK) FEC 5/6 20000 kbps (main NBC tps)
Though at a low SQ, I could lock Signal 1 and it was perfectly watchable. I could not (and can never) lock Signal 2 with my current 1m dish.
Technically, minimum lock threshold value for Signal 1 is 7.9 dB. Minimum lock for Signal 2 is 9.4 dB.
Am I correct to assume if the received signal into the LNB was 1.5 dB higher, then I could lock Signal 2? I assume the higher SR is not a factor for this.
A 1.2m Ku dish supposedly has a gain advantage over a 1m dish of 3 to 5 dB at Ku. Therefore a 1.2m dish would solve the above 1m dish results. This agrees with personal experience since a 1.2m dish has in past received the NBC tps.
Is there no simpler way to get just an extra 1.5 dB? This is very small. Loss of cable from dish to receiver is not a factor as this is a constant for both signals which follow the same path. I've also tested right beside the dish and had similar results.
Might a better receiver make a difference? In other words, would a better receiver be able to lock a lower signal such as received in the Signal 2 situation?
Why is a higher FEC used? Is it because a higher FEC transfers information faster which increases efficiency and reduces costs?
Sent from my SM-G950W using the SatelliteGuys app!
Signal 1: DVB-S2 (8PSK) FEC 3/4 4600 kbps (NBC feed)
Signal 2: DVB-S2 (8PSK) FEC 5/6 20000 kbps (main NBC tps)
Though at a low SQ, I could lock Signal 1 and it was perfectly watchable. I could not (and can never) lock Signal 2 with my current 1m dish.
Technically, minimum lock threshold value for Signal 1 is 7.9 dB. Minimum lock for Signal 2 is 9.4 dB.
Am I correct to assume if the received signal into the LNB was 1.5 dB higher, then I could lock Signal 2? I assume the higher SR is not a factor for this.
A 1.2m Ku dish supposedly has a gain advantage over a 1m dish of 3 to 5 dB at Ku. Therefore a 1.2m dish would solve the above 1m dish results. This agrees with personal experience since a 1.2m dish has in past received the NBC tps.
Is there no simpler way to get just an extra 1.5 dB? This is very small. Loss of cable from dish to receiver is not a factor as this is a constant for both signals which follow the same path. I've also tested right beside the dish and had similar results.
Might a better receiver make a difference? In other words, would a better receiver be able to lock a lower signal such as received in the Signal 2 situation?
Why is a higher FEC used? Is it because a higher FEC transfers information faster which increases efficiency and reduces costs?
Sent from my SM-G950W using the SatelliteGuys app!