Poor signal on 1 frequency only - Techwatch Support Forums: Digital & Satellite TV, FTA, Cable, Computers, Mobile Phones, Apple and General Tech Forums

npnicholson · 01-06-08, 08:10 PM

My wife uses our satellite set-up (80cm dish & Humax VA-FOX receiver) to watch Persian channels on Hotbird. Most channels are fine except for two on frequency 11642 (H, 27500, 3/4) where the signal quality fluctuates and the picture breaks up. Sometimes it's OK for 10 minutes or so. Other times it breaks up immediately. The weather doesn't seem to matter. I've changed the LNB and tried a different receiver but this didn't help. The signal strength is typically steady at about 75% but the signal quality fluctuates from 50-75%. The question is: how can we have a problem with only one frequency? Can anyone shed any light on this mystery?

Robbo · 01-06-08, 08:17 PM

Hi, It sounds like it may be interference from another source.

Try completely turning off your cordless phone to see if that improves it.

Robbo

satelliteman · 01-06-08, 08:24 PM

could also be microwave interference and that's not the 800w version

bigtee · 01-06-08, 08:45 PM

Most likely cordless phone.

npnicholson · 03-06-08, 01:30 PM

Quote:

Originally Posted by robbo71

Hi, It sounds like it may be interference from another source.

Try completely turning off your cordless phone to see if that improves it.

Robbo

Thanks for the suggestion. I'll give it a try.

SAT-WORLD · 07-06-08, 06:54 PM

Also remove the batteries from the handset,too.

npnicholson · 08-06-08, 02:31 PM

Sadly the cordless phone doesn't seem to make a difference. Interestingly (or rather perplexingly) the channel was perfect for a couple of days last week but is now back to the fluctuating signal quality and periodic picture break-up. This is independent of whether the cordless phones are on or not.

npnicholson · 08-06-08, 02:36 PM

I had an email saying that SAT-WORLD had posted a message but I can't see it on the forum? Anyway, the frequency is correct. The channel is SAT 7 Pars on Hotbird 6. See http://www.lyngsat.com/hb6.html

Robbo · 08-06-08, 02:36 PM

Are you sure the dish alignment is optimised. Worth giving that a check.

npnicholson · 08-06-08, 02:56 PM

The dish is motorised so it's quite easy to use the receiver to move it left/right and check the effect on the signal. And guess what: that doesn't help either!

01-06-08, 08:10 PM	#1 (permalink)
npnicholson Junior Member Join Date: Jun 2008 Posts: 5 Thanks: 1 Thanked 0 Times in 0 Posts	Poor signal on 1 frequency only My wife uses our satellite set-up (80cm dish & Humax VA-FOX receiver) to watch Persian channels on Hotbird. Most channels are fine except for two on frequency 11642 (H, 27500, 3/4) where the signal quality fluctuates and the picture breaks up. Sometimes it's OK for 10 minutes or so. Other times it breaks up immediately. The weather doesn't seem to matter. I've changed the LNB and tried a different receiver but this didn't help. The signal strength is typically steady at about 75% but the signal quality fluctuates from 50-75%. The question is: how can we have a problem with only one frequency? Can anyone shed any light on this mystery?

01-06-08, 08:17 PM	#2 (permalink)
Robbo Satellite mad Join Date: Jul 2007 Location: Kent Posts: 9,231 Thanks: 93 Thanked 1,967 Times in 1,590 Posts	Re: Poor signal on 1 frequency only Hi, It sounds like it may be interference from another source. Try completely turning off your cordless phone to see if that improves it. Robbo __________________ القمر الصناعي هو أفضل TM600 linux,TM6800HD,TM5200,TM1000,TM2200 motor, Triax TD110 dish. Electronics Engineer and satellite installer.MBC Satellites

01-06-08, 08:24 PM	#3 (permalink)
satelliteman Retired member Join Date: Feb 2008 Location: South Midlands, UK Posts: 420 Thanks: 0 Thanked 112 Times in 74 Posts	Re: Poor signal on 1 frequency only could also be microwave interference and that's not the 800w version

01-06-08, 08:45 PM	#4 (permalink)
bigtee Senior Member Join Date: Oct 2006 Location: Kent Posts: 569 Thanks: 13 Thanked 74 Times in 71 Posts	Re: Poor signal on 1 frequency only Most likely cordless phone. __________________ Raven 90 multi lnb 1w, 7, 9, 13, 16, 19 & 28e; 1m Orbital on SG 2100 5e-34w and Various Receivers

07-06-08, 06:54 PM	#6 (permalink)
SAT-WORLD Senior Member Join Date: May 2006 Posts: 3,656 Thanks: 19 Thanked 246 Times in 215 Posts	Re: Poor signal on 1 frequency only Also remove the batteries from the handset,too. Last edited by SAT-WORLD; 07-06-08 at 07:38 PM.

08-06-08, 02:31 PM	#7 (permalink)
npnicholson Junior Member Join Date: Jun 2008 Posts: 5 Thanks: 1 Thanked 0 Times in 0 Posts	Re: Poor signal on 1 frequency only Sadly the cordless phone doesn't seem to make a difference. Interestingly (or rather perplexingly) the channel was perfect for a couple of days last week but is now back to the fluctuating signal quality and periodic picture break-up. This is independent of whether the cordless phones are on or not.

08-06-08, 02:36 PM	#8 (permalink)
npnicholson Junior Member Join Date: Jun 2008 Posts: 5 Thanks: 1 Thanked 0 Times in 0 Posts	Re: Poor signal on 1 frequency only I had an email saying that SAT-WORLD had posted a message but I can't see it on the forum? Anyway, the frequency is correct. The channel is SAT 7 Pars on Hotbird 6. See http://www.lyngsat.com/hb6.html

08-06-08, 02:36 PM	#9 (permalink)
Robbo Satellite mad Join Date: Jul 2007 Location: Kent Posts: 9,231 Thanks: 93 Thanked 1,967 Times in 1,590 Posts	Re: Poor signal on 1 frequency only Are you sure the dish alignment is optimised. Worth giving that a check. __________________ القمر الصناعي هو أفضل TM600 linux,TM6800HD,TM5200,TM1000,TM2200 motor, Triax TD110 dish. Electronics Engineer and satellite installer.MBC Satellites

08-06-08, 02:56 PM	#10 (permalink)
npnicholson Junior Member Join Date: Jun 2008 Posts: 5 Thanks: 1 Thanked 0 Times in 0 Posts	Re: Poor signal on 1 frequency only The dish is motorised so it's quite easy to use the receiver to move it left/right and check the effect on the signal. And guess what: that doesn't help either!

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