Paul I do not own one of these but perhaps soon. Many of the vlf receivers required a pre amplified antenna. Typically a loop. Not saying that yours does. But if it were missing that could make things difficult. Paul WB8TSL near Boston
On Sat, May 28, 2011 at 2:38 PM, Paul A. Cianciolo <[email protected]> wrote: > Hello Folks, > > > > This is my first post to the list and I appreciate being able to do so. > > > > I recently acquired a Spectracom 8170 WWVB receiver. > > The manual is available at the Spec. site and I have downloaded it, and > been > reading through it. > > > > One of the problems is the lock light comes on almost immediately when the > RX is powered up with no antenna connected. > > Also there is a purple wire on the A2 board, pin 6 of J5 that has been > fitted so it can be removed and reconnected from J5 easily. > > This appears to be the synchronous AGC line back to the preamp board. > > > > In addition R30 on the A2 board has been adjusted. I think this is carrier > null. > > Power supplies are all within .1 volts of 12vdc -12vdc and 5 VDC. > > > > Looking for some direction from owners of this RX. > > > > Thank you > > > > Paul A. Cianciolo > > W1VLF > > http://www.rescueelectronics.com/ > > Our business computer network is powered exclusively by solar and wind > power. > > Converting Photons to Electrons for over 20 years > > > > _______________________________________________ > 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. > _______________________________________________ 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.
