Dan - KK4OFR has put together to following shots in order to possibly answer a question.
Dan says "On the occasion of Lew Oberman’s 90th birthday, IOOK Vice President John Hartman presented Lew with a state-of-the-art Crystal Radio."
Unfortunately, it was not assembled so Lew and I set aside a week to put it together. On about day 3 we had finished reading up on the theory of operation. We got out the SWR meter, ohm meter, and a screwdriver and began assembly.
Things seemed to go pretty well but after we
finished, we had a couple of components left over. After more research and some
discussion we decided that we probably didn’t need those parts anyway. (The
instructions said to “ask an adult if you have questions “ but Miriam was
sleeping and we didn’t want to wake her so we got Lew’s niece Nancy on the
phone. She holds a PHD and she’s a Dean at a University here in Florida. We
didn’t pay much attention to what she said but it was nice talking to her. We
stuck with our first conclusion that they had put extra parts in the kit.
Next came the first test. The instructions said to hold the antenna wire in the air while listening for a station as you turn the tuning knob.
After about 3 hours of this, Lew’s arm got tired so
we decided to connect the antenna wire to the Force 12 flagpole antenna. It
still didn’t work. We think it is a SWR issue. Or possibly it’s solar
flares. Or maybe it’s that this radio just doesn’t tune to 20 meters!
We may have to re-visit our assumptions about those “extra” components!
Any suggestions would be appreciated.
Dan Hayden - KK4OFR