Burt, according the manual for this clock, the typical operating time for one 1.5V AA battery is 3 years! (but may last longer with good battery quality!) link for the manual: http://www.junghanswatchesusa.net/assets/images/manuals/alarm.pdf
Unfortunately I cannot find the equivalent for DCF reception :-( 73 Arnold, DK2WT Am 06.08.2015 um 19:58 schrieb Burt I. Weiner: > My favorite WWVB clock is the Junghans Mega Atomic Alarm Clock. I > have several of them and they work almost anywhere (in the USA). The > manual says to change the battery once every 30 days. Just for fun I > wanted to see how long they could go without having to change the AA > battery - two of mine are well into their fifth year. They have a > large display and will tell you how many days since it last set. They > can be easily be found for $20 - $30. > > See: http://www.atomic-clocks.com/juatalcl.html > > ...Or, you can get them on eBay for around $200.00 > > Burt, K6OQK > > > > >> From: "Tom Van Baak" <[email protected]> >> To: "Discussion of precise time and frequency measurement" >> <[email protected]> >> Subject: Re: [time-nuts] wtd: WWVB info >> >> >> > Does anyone have a schematic for building a simple WWVB receiver ? >> > >> > Any information would be grateful. >> > >> > - Don >> >> See http://www.joejaworski.com/wwvb/ for a recent WWVB project. >> >> See http://www.tinaja.com/glib/WWVBexps.pdf for a vintage project. >> >> /tvb > > Burt I. Weiner Associates > Broadcast Technical Services > Glendale, California U.S.A. > [email protected] > www.biwa.cc > K6OQK > _______________________________________________ > 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.
