My DTT meter tests
- From: Marky P <bromham_hospital_band@xxxxxxxxxxx>
- Date: Wed, 30 Jan 2008 17:15:00 +0000
As I mentioned in a previous thread, I didn't think my meter was
reading DTT signals accurately. Well, I've done a test using a 6dB
fixed attenuator in line with a 20dB variable attenuator (26dB total
loss). My DTT signal on C67 from Sandy Heath plugged straight into
the meter (set for digital carrier) reads around 56dBuV. Cutting the
signal by 26dB, the meter was below it's measurable limit (displaying
<34dBuV). Plugged into my little kitchen DTT telly with the 26dB
attenuator still gave a perfect DTT picture. This seems to show that
my meter doesn't measure DTT accurately and makes me wonder if it was
really designed to do so. It's a Promax Prolink 1C, which I know is
mainly designed for cable use, but it covers the whole UHF band and
should be fine for 'off air' use.
Marky P.
.
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