Allen McBroom wrote:

I'm using a Hallicrafters S-108 receiver, and having a terrible time
figuring out which (even approximate) frequency I'm listening to.
If anyone here is familiar with tuning old Hallicrafters, I would
appreciate a note of contact.
Thanks.

First, in case you don't know, the smaller round dial on the left is the
MAIN tuning scale. The large straight scale across the front with five
levels is the BANDSPREAD (fine tuning) dial. However in the case of the
S-108 the bandspread dial is calibrated only for the five amateur radio
bands so it won't help you much with finding stations on the
international broadcast bands. Those are shown on the main tuning dial
only. Start with the large *bandspread* dial set to the far left (using
the large knob on right) so the pointer is on the zero-'0' of the lower
logging scale. This will make the *main* tuning dial accurate. Turn the
'band selector' knob to the number '1' position. This is the regular AM
(MW) band, which is the smallest circle on the main tuning dial. Turn
the main (left) tuning knob to see if you can find AM stations you know.
When you find one, note it's position on the main tuning dial. Try to
find at least one station at each end of the AM dial (band). If the main
dial is fairly accurate for these stations, you'll know the dial cord
hasn't slipped.
Depending on the time of day, you can start looking for shortwave
stations on the other band selector ranges 2-4 of the main tuning dial.
If it's night, try to find the time station CHU- 3.330 on position '2'
and also on 7.335, selector position '3'. In the day or early evening
look for time station WWV on 10.000, range '3' or 15.000 on selector
position '4' and possibly 20.000, also on range '4'. These time stations
will give you some idea of the main dial accuracy for the shortwave
bands. When you find a station on the main tuning dial, you can turn the
bandspread (right) knob a little to fine tune it, but don't go too far
from the zero '0' position or the main dial will be off calibration.
Finally you can look for the international stations located throughout
the mail dial, mostly ranges '3' and '4' on the selector knob. The times
I've given for the above frequencies are for listeners in the US. Good
luck.


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