On Sep 21, 5:11*am, Jeff Liebermann wrote:
On Sat, 20 Sep 2008 20:02:57 -0700, Jeff Liebermann
wrote:

Free manual for the Eico 710:
http://bama.edebris.com/manuals/eico/710/
I'm too lazy to find a DejaVu decompressor, but I expect there are
some instructions and diagrams of the coils in the manual.
....
Jeff, thanks very much for your suggestions and links. I have actually
already downloaded BAMA manual (Dejavu plugin works great on IrfanView
4.20, saves as pdf) and I will get to work calculating the approximate
inductances. The variable C is the only component they don't show the
value for, but I'll take a guess, wind a coil and listen for the
signal. Then with some trial and error I can probably come up with a
couple of coils for the ranges I am interested in. I know the scale
won't be accurate, but in this day of digital readouts it's not
important.

I am fascinated with the number of GDO's shown on N4XY's site - I
remember seeing just Heath, Eico and an old Mullen.

Thanks agn
Rich OK8RF