Any in van TV experts out there?

Handypete

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Installed in my van I have a flip down DVD/ TV, exterior blaupunkt aerial and a free view box (see photos) . I also use a Roku streaming stick on it as well. Everything works fine except the free view.Sometimes I can get a poor picture on the free view but not often generally it doesn’t work at all,so I would like to get it working as best it can.
I assume the aerial is the weak point and I have tried a couple of other free view aerials but no improvement. The aerial output from the free view box is active with a 5v supply directly into the aerial wire from the port on the free view box. The other aerials I tried were not active and I toggled of the power supply via the free view menu. I’m not sure if in doing that it stops the aerial working?
As you can probably tell it’s not my specialist subject.
Any experts or professionals can advise on how to improve this so that the free view is useable. I want to avoid a large permanently installed external roof aerial if possible as it’s a pop top.
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I brought these 3 so far :


And they wouldnt find any channels on a Cello 16" TV, but if i took the TV in the house it would get the channels fine. So i've had to send the TV back today. Going to try and look for a Smart TV instead so if there isnt a freeview signal at least we've got internet to watch thing. So hard to know what works best
 
I assume the aerial is the weak point

You are probably correct! The type of antenna you have shown will only work if you are close to a transmitter. Compare it to what you probably have on the roof of your house!

Active antennas assume you have some signal to amplify otherwise the signal to noise ratio - which is critical for digital broadcasts; i.e. DVB-T and DVB-T2 - remains the same if not worse. The gain figures quoted for some of these 'stick' antennas always amuse me!

House antennas are mostly Yagi or Log periodic antennas. They are directional have radio frequency gain to pick up weaker signals by their own physical design. You can get Yagi and Log Periodic antennas for motorhomes, campers and caravans. They do not look so sexy but why do you think we do not use simple stick antennas in our homes? (unless you are sat under a transmitter).

You will have to retune as you move from area to area as the transmission frequencies change by transmitter.
 
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You are probably correct! The type of antenna you have shown will only work if you are close to a transmitter. Compare it to what you probably have on the roof of your house!

Active antennas assume you have some signal to amplify otherwise the signal to noise ratio - which is critical for digital broadcasts; i.e. DVB-T and DVB-T2 - remains the same if not worse. The gain figures quoted for some of these 'stick' antennas always amuse me!

House antennas are mostly Yagi or Log periodic antennas. They are directional have radio frequency gain to pick up weaker signals by their own physical design. You can get Yagi and Log Periodic antennas for motorhomes, campers and caravans. They do not look so sexy but why do you think we do not use simple stick antennas in our homes? (unless you are sat under a transmitter).

You will have to retune as you move from area to area as the transmission frequencies change by transmitter.
Great post
 
Thanks for all the replies so far!
I have tried the small type aerials without succes.
You are probably correct! The type of antenna you have shown will only work if you are close to a transmitter. Compare it to what you probably have on the roof of your house!

Active antennas assume you have some signal to amplify otherwise the signal to noise ratio - which is critical for digital broadcasts; i.e. DVB-T and DVB-T2 - remains the same if not worse. The gain figures quoted for some of these 'stick' antennas always amuse me!

House antennas are mostly Yagi or Log periodic antennas. They are directional have radio frequency gain to pick up weaker signals by their own physical design. You can get Yagi and Log Periodic antennas for motorhomes, campers and caravans. They do not look so sexy but why do you think we do not use simple stick antennas in our homes? (unless you are sat under a transmitter).

You will have to retune as you move from area to area as the transmission frequencies change by transmitter.
So as the small antennas are no good is there a portable non permanently mounted alternative that will improve the chances of good reception. Failing that are there any other options for tv reception?
 
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