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2 posts

Wannabe Geek

Topic # 26108 12-Sep-2008 08:04
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Hi there,

First time poster here.
I need some help regarding TV3 reception on Freeview.

I bought a SONY TV with freeview tuner build in. I also bought a new UHF antenna. Specs for antenna are

43 Element UHF Antenna

Suitable for medium signal reception areas.
Elements - 43
Gain - 13dB
Channels - 21 to 69
Bands - 4 & 5
Frequency - 470 to 862MHz
Boom Width - 20mm sq
Overall Length - 1234mm

This should be sufficient for Freeview if I understand it correctly. I have a clear line of sight to the Wharite transmitter (Manawatu)

I get all the TVNZ channels but nothing else, including radio.
However, If I use my indoor antenna I get the other channels, Althought this differs depending on location of the indoor antenna.

What could be the issue? It seems TV3 is on channel 50 but when I scan while connected to aerial only stations on channel 48 are detected.


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  Reply # 163950 12-Sep-2008 09:21
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Sounds like a survey with a meter to find the right spot might be needed, PM me if you are interested.


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  Reply # 163957 12-Sep-2008 10:26
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How have you connected your new UHF aerial?

Local Manawatu frequencies for reception are 48, 50 and 59.
Is there a way you can manually enter these in your TV?

How about tune these in with your indoor aerial and then swap and plug in your new UHF.  You can then move around to try different spots/aerial directions/angles etc that give you a picture on the other channels.  Really a decent UHF aerial should perform better than an indoor one, unless maybe the indoor is amplified, but even then this often just amplifies a bad signal.

As Cyril suggests, if still no joy then you'd need to get a proper meter on your aerial to determine the best location/requirements for your specific situation.  This is the best way to ensure reliability.

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Wannabe Geek

  Reply # 163977 12-Sep-2008 12:40
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Tried tuning with indoor one yesterday and swapping over to aerial. The picture got completly scrambled so to speak.
When auto scanning it only detects channel 48.
The indoor one detected 50 and 59 but not at the same time and in different location.
I will have a look for manual scanning.


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