sharpness Posted October 5, 2019 Report Share Posted October 5, 2019 We have a probably 10yr old 12v TV & log periodic aerial which 99% of the time work perfectly. When we moor I point the aerial in the right direction & retune, sometimes we get over 200 DTV programmes other times less than 50 depending on where we are & the surrounding landscape. So far so good. Sometimes, lately, the following morning we find we've lost all the programmes or sometimes just the BBC programmes. Is it a fault in the telly or a problem with the transmitter? Any suggestions please? Link to comment Share on other sites More sharing options...
eightacre Posted October 5, 2019 Report Share Posted October 5, 2019 Possibly the internal "memory" battery on the TV has passed its sell-by date? Link to comment Share on other sites More sharing options...
mrsmelly Posted October 5, 2019 Report Share Posted October 5, 2019 Ours comes and goes with the weather to be honest. We use a cheapo log jobby like u do and 99 percent of the time it gets great reception. Occasionaly for no apparent reason the signal is poor. Or when a boat moors on the working class moorings over the cut sometimes this affects us. We have a tiny four inch digital aerial that cost £ 8.50 from ebay that works well if/when the ten quid log jobby doesnt play the game. Link to comment Share on other sites More sharing options...
Dr Bob Posted October 5, 2019 Report Share Posted October 5, 2019 Wot he said. Signals are weather dependent. You tune them in in weather that does not degrade the signal and then the following morning, the cloud/ rain degrades some of the signal.....or the wind has blown your antenna round a bit. Link to comment Share on other sites More sharing options...
sharpness Posted October 5, 2019 Author Report Share Posted October 5, 2019 Thanks for those replies. Its not the wind blowing the aerial round because if I do a retune without touching the aerial all the programmes are back again. Apart from that its pretty stiff in its bracket anyway. Does it have an internal memory battery, rechargeable presumably, would it be replaceable? Link to comment Share on other sites More sharing options...
Chewbacka Posted October 6, 2019 Report Share Posted October 6, 2019 9 hours ago, sharpness said: Thanks for those replies. Its not the wind blowing the aerial round because if I do a retune without touching the aerial all the programmes are back again. Apart from that its pretty stiff in its bracket anyway. Does it have an internal memory battery, rechargeable presumably, would it be replaceable? Probably on the mother board will be a small battery, it may have tags and be soldered in, or it may be a little coin cell in a metal holder, in which case it is easy to replace. Link to comment Share on other sites More sharing options...
Sea Dog Posted October 6, 2019 Report Share Posted October 6, 2019 I'd also be looking for damp in the connections and cabling. You may be losing the more marginal stations due to the signal being degraded, particularly by the damper atmosphere overnight. However, if your cable is 10 years old like the rest of your set up it's probably about had it, particularly it if it's regularly coiled and uncoiled. Replace it with decent stuff (I'd suggest WF100) and make sure you terminate it with care, using some silicone grease to keep the damp out. Link to comment Share on other sites More sharing options...
Chewbacka Posted October 6, 2019 Report Share Posted October 6, 2019 3 hours ago, Sea Dog said: I'd also be looking for damp in the connections and cabling. You may be losing the more marginal stations due to the signal being degraded, particularly by the damper atmosphere overnight. However, if your cable is 10 years old like the rest of your set up it's probably about had it, particularly it if it's regularly coiled and uncoiled. Replace it with decent stuff (I'd suggest WF100) and make sure you terminate it with care, using some silicone grease to keep the damp out. If the op is losing channels after the tv has been off for a few hours and a simple rescan is all it takes to get them back I am inclined to think it is just a tv memory problem. That said, it doesn’t hurt to replace aged cables etc, but I doubt it will fix the problem. Link to comment Share on other sites More sharing options...
OldGoat Posted October 6, 2019 Report Share Posted October 6, 2019 Unless you're in a strong signal area (and that can be problematic, exacerbated by being near ground level) a signal amplifier is a must and mounted on the aerial. Link to comment Share on other sites More sharing options...
Detling Posted October 6, 2019 Report Share Posted October 6, 2019 When I am in my marina if the boat next door goes out I can get more channels, when he comes back they go again, the TV transmitter I use is in the opposite direction so I can only assume it is some form of reflection causing it. In the analogue days it would probably have caused ghosting, but in the digital world it is picture or nothing, occasionally you get spots everywhere with a poor signal but usually nothing. Link to comment Share on other sites More sharing options...
Sea Dog Posted October 6, 2019 Report Share Posted October 6, 2019 3 hours ago, Chewbacka said: If the op is losing channels after the tv has been off for a few hours and a simple rescan is all it takes to get them back I am inclined to think it is just a tv memory problem. That said, it doesn’t hurt to replace aged cables etc, but I doubt it will fix the problem. You may be right as I didn't read it like that Chewy - I took it as him getting up to 200 or maybe as low as 50 stations each time he sets up or retunes, depending on landscape, but has lost some by next morning. I don't know whether this interpretation is correct, but at least it's another line of investigation. In general, I'd always start with anything recently disturbed and/or the vulnerable bits - in this case the aerial, connections and cabling. Link to comment Share on other sites More sharing options...
sharpness Posted October 6, 2019 Author Report Share Posted October 6, 2019 3 hours ago, Sea Dog said: You may be right as I didn't read it like that Chewy - I took it as him getting up to 200 or maybe as low as 50 stations each time he sets up or retunes, depending on landscape, but has lost some by next morning. I don't know whether this interpretation is correct, but at least it's another line of investigation. In general, I'd always start with anything recently disturbed and/or the vulnerable bits - in this case the aerial, connections and cabling. That's exactly it, all the channels at one time, turned off overnight & then nothing at all the next morning, simple retune & they are all back. Sometimes its just the BBC channels that have disappeared but more often its everything. The aerial is about 2 years old, the outside box it plugs into the same, good quality cable, likewise inside the boat, nothings changed on that front. With the log periodic on a 5ft pole on the roof I've never had a problem finding a signal so never felt the need for any signal amplifier. Link to comment Share on other sites More sharing options...
roland elsdon Posted October 6, 2019 Report Share Posted October 6, 2019 23 hours ago, mrsmelly said: Ours comes and goes with the weather to be honest. We use a cheapo log jobby like u do and 99 percent of the time it gets great reception. Occasionaly for no apparent reason the signal is poor. Or when a boat moors on the working class moorings over the cut sometimes this affects us. We have a tiny four inch digital aerial that cost £ 8.50 from ebay that works well if/when the ten quid log jobby doesnt play the game. Ear Ive moored opposite the hog farm and Im retired class, do we not affect your signal too or is it them converted boats with all that tin work thats the issue? Link to comment Share on other sites More sharing options...
mrsmelly Posted October 6, 2019 Report Share Posted October 6, 2019 1 hour ago, roland elsdon said: Ear Ive moored opposite the hog farm and Im retired class, do we not affect your signal too or is it them converted boats with all that tin work thats the issue? retired peoples boats dont seem to interfere with the signal ? Link to comment Share on other sites More sharing options...
Featured Posts
Create an account or sign in to comment
You need to be a member in order to leave a comment
Create an account
Sign up for a new account in our community. It's easy!
Register a new accountSign in
Already have an account? Sign in here.
Sign In Now