Topband: Trap for 160m/80m inverted L

Tom Rauch w8ji at
Fri Dec 9 11:44:54 EST 2005

> Is there anyone out there that has a KW80C not connected
that could 1)
> measure the resonant frequency with a grid dip meter and
2) measure the
> length, diameter, and TPI of the coil?  With that I could
calculate the
> inductance and then the resonate impedance on my own

Before selecting a trap you might read:

More information about the Topband mailing list