Timed record: Thanks to all those who offered suggestions. In the end I
found that Cool Edit which I use for recording has its own built in timer!!
It is a bit strange as it appears to have its own arbitrary system of
measuring time, but it does work.
Frequency: Thanks, Larry, for your comments. I forgot about CFH and
obviously you must make a judgement about that. The Eu bandplan has a data
allocation around 137.5, but that is not necessarily optimum for
Tests: I have made recordings on the last two nights and can make WOLF lock
onto something but little intelligence so far. Last night I used 11025Hz
sampling which seems to make a bigger file but still nothing readable yet. I
will keep trying.