Rick Sorry to say I do not know but I do remember an article in EDN I think. The ground connections were riveted and essentially made poor contact after many years. Drilling them out and putting normal screws nuts and lovking lugs in evidently really restored the units. Regards Paul WB8TSL
On Tue, Jun 20, 2017 at 2:51 PM, Richard (Rick) Karlquist < rich...@karlquist.com> wrote: > I have a non-functional HP 4815, don't know if it > is the probe or the box. A long time ago, there > was a fellow named George Standford (something like > that) who repaired these. My old contact information > for him is no good. Does anyone know if he is still > in business, or if there is any other place that > repairs these things? > > Rick N6RK > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/m > ailman/listinfo/time-nuts > and follow the instructions there. > _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.