Türksat 5B (42E)

[John]

I just found it but it went off at around 15:30 UTC, before I could get a plot. Plain carrier.

Quite strong on a band B, circular pol LNB (21.4G is about 10dB down on in-band performance)

I think it could well be circular as well - switching polarity quickly gives nearly equal strengths on both H & V pols.
I haven't got a plate to stick in the CM feed though.

 

[SimonE]

They are still testing. I have seen them sweep the carrier as well.

 

[s-band]

I think it could well be circular as well - switching polarity quickly gives nearly equal strengths on both H & V pols.
I haven't got a plate to stick in the CM feed though.

I thought it was linear - LH & RH the same levels
I'll put the linear, band D, Gilat back on (although it's a bit flaky as someone tried to teach it to swim)

<edit> Before I swapped the LNB/feed, I captured this:


The analyser was running for 30 minutes, set to maximum hold. The stepped nature of the plot is due to aliasing between the TX sweep and analyser sweep rates. The actual sweep rate of the TX was quite fast.

 

[SimonE]

Strong carrier on 21.700H now

 

[Llew]

Carrier sweeping across the band now.,

 

[SimonE]

Using my Saorsat LNB I notice they are testing with a carrier on 20.070H.

 

[SimonE]

20.070 LHC NOT H

 

[Columbo]

Turksat 5B's got supposedly 3 X band transponders. Any signals catches yet?

 

[John]

20.070 LHC NOT H

Well spotted Simon - time to get the Saorsat out of retirement. There seems to be every type of frequency possible coming out of this bird at the moment lol.

 

[Llew]

Are there on-off carrier tests at present between 13410V and 13420V? (I can only see them on the Promax, as they only appear in bursts).

I'm using a no-name KU LNBF with a modified DRO puck.

 

[John]

Are there on-off carrier tests at present between 13410V and 13420V? (I can only see them on the Promax, as they only appear in bursts).

I'm using a no-name KU LNBF with a modified DRO puck.

I'll have a look Llew - ** Seen Band A 18848 RHC - LHC Band A still empty.

 

[John]

I'll have a look Llew - ** Seen Band A 18848 RHC - LHC Band A still empty.

Not seen anything over the last ten minutes but will still keep monitoring

 

[Llew]

OK John, thanks. possibly spikes being picked up from something locally.

 

[John]

Turk 5B
Ka Band A - - 18849.00 LHC marker briefly, and frequency sweeping briefly

 

[John]

Turk 5B
Ka Band B still doing odd markers and frequency sweeps in circular.
Using a temp Saorsat lnbf install on the 1.2 Gibby - results using these lnbf's can be misleading when used away from their designated job role for the Irish spot beams.
eg: LO of 21.200 - selecting 'V' 13v on the receiver selects LHC, 'H' 17v selects RHC on the lnbf. Signals are 'inverted' the same as C-band reception on a receiver so i use my Promax to comply which then gives you the correct downlink signal frequency read out.
A good satellite to check the Circular polarity beacons to establish your set up is correct is from 52.5 East Yahsat 1A which has one LHC and one RHC beacon

 

[ViaHussun]

New

11226 Н 30000 8PSK
11305 Н 30000 8PSK
11345 Н 30000 8PSK
11385 Н 30000 8PSK

Turksat 5B test frequencys

 

[ocean04]

New

11226 Н 30000 8PSK
11305 Н 30000 8PSK
11345 Н 30000 8PSK
11385 Н 30000 8PSK

Turksat 5B test frequencys

Are these currently active? Nothing here.

11226V 30000 there is this:

-edit- 10 minutes later that was switched off and now 11305V 30000 is active..

 

[dx qwer]

I can´t lock them at my place in southwestern Germany with 2.2m - about 2dB under LM on 11265 V, 11305 V and 11345 V.

 

[ViaHussun]

11345 V 30000 8PSK

Tests are instant.
No signal at the moment

 

[ViaHussun]

11385 V 30000 8PSK

Tests are instant.
No signal at the moment