Alan Melia wrote:
Marco, have you considered that HBG on 75.0kHz might be stronger with you
from Switzerland??. In a lab or other complex quite often with off-air
standards the problem is local noise. I have a friend in Porto who used to
be able to lock to MSF when it was at Rugby a few years ago.......I havent
asked since it moved north to Anthorn but I suspect he uses GPS now. If the
noise is not a problem these receiver will often work well on a resonable
wire antenna which is fairly easy to rig. Or see the PA0RDT MiniWhip design
for a very simple active low frequency antenna. This is used all round the
world for receiving weak amateur signals on 136kHz ....it is broadband up to
about 500kHz, and down to 40kHz Japanese frequency standard transmissions.
It is so small you can experiment to find the best quiet position. At LF the
secret is the higher the better.
The TDF 162 kHz is a 2 MW transmitter which is even closer...
A bit tricker to retriev the timing signal thought, but this is assuming
the signal can be freely selected.
The HBG transmitter is going off-air (for good) in a not to distant future.
Cheers,
Magnus
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