NZGeek


Rain fade on certain Sky channels only ???

geek_ponyboy March 1, 2010, 10:39 pm
#1
Bloody Murphy's Law... the one programme I wanted to watch got wrecked by rain fade 3/4 the way through, was on UKTV, several other channels were affected too but many were fine. I selected several different satellite sources 1 by 1 but made no difference. Can anyone enlighten me why only certain channels are affected? Cheers
geek_l43a2 March 1, 2010, 10:55 pm
#2
they use different transponders on the sat in space
geek_hakatere1 March 1, 2010, 11:22 pm
#3
I tend to agree. Although, the cynic in me says they have a technical problem on one or more channels and are just blaming the atmosphere.
geek_footplate1 March 2, 2010, 9:03 am
#4
I go for Hak's suggestion. Our particular annoyance is the frequent loss of programme listings. And the zeroising of booked channels a split second after it switches. We are into our thrid decoder for these faults. Occasionally, you will strike someone in SKY who admits they have software problems. Usually, it is us who are blamed!
geek_deodar March 2, 2010, 9:25 am
#5
Does rain ever fade? How about Tsunami catastrophe on 1 channel?
Or earthquake in space?
geek_cherieandmark March 2, 2010, 9:40 am
#6
Call SKY get a technician to come out and check your disc!
geek_drcspy March 2, 2010, 9:59 am
#7
disc ?

disH
geek_rawill March 2, 2010, 11:07 am
#8
Yes - if the 'dish' is not set for peak signal you may get rainfade.

Otherwise you should be OK - the signal is very very strong on most channels off D1.
geek_hakatere1 March 2, 2010, 11:55 am
#9
The program list loss is a major annoyance. Also highly annoying to me is the increase in volume for ad breaks. hn, nl, b&b, smith city, as you would expect, are the worst offenders. Made me so angry one day, I phoned them and he listened politely and said he'd make it known to his boss. The loss of program lists can be overcome by when you switch your tv off, leave it on a sky channel and you'll never lose them. Wrong... . I tried it.
geek_cherieandmark March 2, 2010, 12:38 pm
#10
... . disc... . oh lord
geek_gibler March 2, 2010, 1:00 pm
#11
my mysky HDi works perfectly...

. . time to ring sky me thinks. Their current ads rattle off how many support people and installers they have. .

bad disk alignment, faulty LNB, bad cabling are all possibilities.
geek_l43a2 March 2, 2010, 1:28 pm
#12
also using a bigger disc "dish" haha may help ;)
geek_spyware March 2, 2010, 6:21 pm
#13
All decoders have same firmware so how would swapping decoder solve the problem? ? Best to simply return the 1998 pieces of rubbish to them and stop paying.
geek_dandj March 2, 2010, 7:09 pm
#14
We had a similar problem with rain fade on a couple of channels (not all) it was fixed by replacing the cable from a splitter to the sky box.
(we also run a freeview decoder of the dish )
geek_ponyboy March 6, 2010, 9:15 pm
#15
Thanks for all the good advice, lots of things I would never have thought of.
geek_ali.gav March 6, 2010, 11:09 pm
#16
I have found through past experience, that a lot of Sky installers don't spend that little bit of extra time making fine adjustments to the dish allignment to get the signal to 'peak'. Push the round button between the arrows on your remote. Select the spanner & then select Check your signal. Look at the QUALITY meter ( ignore the strength meter) Your graph should be reading somewhere between 80 to 100. If you are showing normally around 40 you will more than likely get rainfade when wet.
geek_rawill March 7, 2010, 7:07 am
#17
Totally right - this is the first thing to do if you have rain fade.
And exactly right on which meter to look at, level meter tells you almost nothing, quality level is what you set it to.

Peaking means, lightly pusing pulling on the "four sides" of the round dish. Top - bottom - side - side.

After adjusting to the "best" position fine tune it again until you get no more improvement in the quality.

Since you have a signal then you have something to adjsut.
So once you have done the above and this is right you can then look at cabling and connections. But as said if you get the figures above you are very good.

BUT those figures are created by the kind of receiver you have and the size of dish.

An old sky gives great figures and well tuned you should have no rain fade in all conditions except absolutely shocking downpours.
geek_intrade March 7, 2010, 9:12 am
#18
my naigbourcomplained of the same problem not long ago. maybe the satelite shifted out ofreach ... ... .
geek_rawill March 7, 2010, 11:16 am
#19
LOL
geek_hakatere1 March 7, 2010, 11:45 am
#20
During a s14 game last night, they went offline for just a few minutes. They played promos until the picture resumed. I watched 2 games from South Africa this morning involving nz teams and it happened again during both games. Sky was clear, brand new decoder, brand new lnb and dish realigned within the last month. Sky tell me it's rain fade lol. What a load of crap.
geek_mone March 7, 2010, 11:46 am
#21
This is why UHF Freeview excels. Better HD quality, no raid fade, no fee.
geek_jeremy_74 March 7, 2010, 11:56 am
#22
LOL
Your saying the ONE fullHD channel on freeview is better quality?

I've had rainfade twice in the last 2 years. Both times lasted about 5mins until the thunder & lightning passed.

Problem with FreeviewHD also is you have to live in a area that can receive the signal. 15km west of Hamilton = no signal for example.
geek_chessman March 7, 2010, 7:28 pm
#23
check LNB skew its probably out (given that everything else is ok), the skew will affect reception on some channels but not others if its out slightly. I have installed dish's for freetoair tv (including one large 3. 6m solid for aljazerra on C1) the skew has to be set correctly or you will lose signal on some if not all transponders, mostly the weaker transponders. for sky lnb's the skew should be around 8 o clock or 7 o clock. maybe have a look at freeviewshop.co.nz for some instructions, the skew has to be fine tuned to get best possible signal, the skew can vary depending on your lnb type. I must agree the sky installers sometimes do a quick job and dont fine tune to get best possible signal. When they installed multiroom for us years ago, they put up another dish next to the original one, when they could have used a splitter or multiport lnb instead. but thats their loss not mine. this time around recently we got a 3rd multi room and only then did they decide to split the cable from one dish.
geek_david13 March 10, 2010, 1:11 pm
#24
I would ring sky and get a tech out and keep getting a tech out until its sorted we pay them a lot of money for there service so why not receive something for all that spent money.

On another note i recently(6 months) upgraded to My Sky and they replaced the LNB that was installed in the 90's with a new one that now has 2 cables coming into the set top box & since then we have never had rain fade.
geek_gibler March 10, 2010, 1:48 pm
#25
+1 (I've been affected by the sun outages more than rainfade)

HD over Satellite is good for Dunedin too. I have a massive hill in the way which no doubt means no Freeview HD.
geek_guest March 11, 2010, 2:55 pm
#26
Check the lnb. If its a dual lnb with serial number starting with 5A then you will have a problem. The lnb as it gets older and with the hot sun on it the local ossilator drifts off frequency. This affects some channels and not others or all channels. Usually at night they are fine.
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