Some time ago I made a 60 kHz antenna by winding a zillion turns of wire on a ferrite loopstick tuned with a padder condenser. This connected to the gate of a 2n4416 or mpf102. This was quite selective and sensitive.
On 07/05/2012 02:45 AM, Tom Van Baak (lab) wrote:
Schematics for all versions of the 10509A antenna: http://www.leapsecond.com/museum/10509a/ /tvb (iPhone4) _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
-- Chuck Forsberg WA7KGX N2469R [email protected] www.omen.com Developer of Industrial ZMODEM(Tm) for Embedded Applications Omen Technology Inc "The High Reliability Software" 10255 NW Old Cornelius Pass Portland OR 97231 503-614-0430 _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
