Alex- how many turns on that loop? Dana
On Sat, May 5, 2018 at 2:35 PM, Alexander Pummer <a...@pcscons.com> wrote: > tuned,[ fine-tuning with vari-caps remotely] large size frame antenna 1 > meter dia provides mV size 60kHz in the Livermore area in California from > the Colorado WWVB TX > 73 > KJ6UHN > Alex > > On 5/5/2018 6:17 AM, Ulrich Rohde via time-nuts wrote: > >> I am trying to use the 60 KHz for synchronization of a Rb receiver. The >> local NJ noise and the signal in dBuV are about the same with an active >> antenna, electric field. A better solution might be a ferrite selective >> antenna, H field , if I find one. >> 73 de N1UL >> In a message dated 5/5/2018 4:09:25 AM Eastern Standard Time, >> hmur...@megapathdsl.net writes: >> >> Review/background: I have an UltraLink 333 WWVB receiver. It didn't >> work. >> Several weeks ago. a discussion here mentioned that the phone cable >> between >> the main box and antenna needs to be straight through rather than the >> typical >> reversed. That was my problem. With the correct cable, the meter shows >> signal and bounces around such that with practice, I could probably read >> the >> bit pattern. But it didn't lock up. >> >> That was several weeks ago. I left it running. When I looked last night, >> it >> had figured out that it is 2018. I wasn't watching or monitoring, so I >> don't >> know how long it took. >> >> I assume the problem is noise. Is there any simple way to measure the >> noise >> around 60 KHz? How about not so simple? >> >> Extra credit for a way that others nuts can reproduce so we can compare >> the >> noise at my location with other locations. >> >> Can any audio cards be pushed that high? I see sample rates of 192K, but I >> don't know if that is useful. >> >> I'd also like to measure the propagation delays on WWV so a setup for HF >> that >> also works down to 60 KHz would be interesting. >> >> ---------- >> >> The UltraLink documentation says the display has a slot for a C or H. The >> C is for Colorado and the H is for Hawaii. Did WWVH have a low frequency >> transmitter many years ago? The NIST history of WWVH doesn't mention it. >> >> My guess is a cut+paste from a version that listened to WWV/WWVH. >> >> >> >> > _______________________________________________ > 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.