[time-nuts] Rebroadcasting time signals [WAS: La Crosse Clocks - ]

[Mike Suhar]

If you're looking for a repeater check out this article.  I have no idea if
it works or not.  I have not built one.

http://www.ka7oei.com/wwvb_antenna.html

Image of the schematic
http://www.ka7oei.com/wwvb_ant_1d.gif

Mike

On Sun, Jan 3, 2021 at 4:46 AM Erik E. Fair <fair+timenuts at clock.org> wrote:

> I don't suppose there's any passive repeater solution for WWVB, e.g.
> antenna in attic feeding coax to another, hopefully smaller antenna to
> reach radio clocks with less-than-adequate built-in antennas in more
> unfortunately shielded parts of a house? Similar to how Community Antenna
> Tele-Vision (CATV) first started, lo the many decades ago?
>
> When last I went web-searching (yeah, yeah, "googling") for this sort of
> thing, I ran across the smartphone WWVB "emulators" (transmitters - turns
> out that typical smartphones can be induced to transmit the WWVB 60 KHz
> signal as a harmonic of appropriate noises sent to their built-in
> speakers!) and wrote about that:
>
>
> https://www.quora.com/How-does-an-atomic-or-radio-controlled-wrist-watch-work/answer/Erik-Fair
>
>
> https://play.google.com/store/apps/details?id=jp.houryo.wwvbemulator&hl=en_US
>
> https://apps.apple.com/us/app/clock-wave/id1073576068
>
>
> https://sgfantasytoys.wordpress.com/2015/05/13/synchronize-radio-controlled-watch-without-access/
>
>
> https://hackaday.com/2018/09/10/no-signal-for-your-radio-controlled-watch-just-make-your-own-transmitter/
>
>         Happy New Year,
>
>         Erik <fair at clock.org>
>
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