Possibly something like this?
https://www.youtube.com/watch?v=6SHGAEhnsYk&list=PL3XBzmAj53RlkM2_xRq2NodFjFtBrgzx0&index=11&t=1s
Ray
On 2022-01-25 12:11, Bob kb8tq wrote:
Hi
The original idea was a transmitter with a 20m range. The “check
the regs” are aimed at that sort of setup.
For something that is in contact with the clock or watch, indeed very
low power could be used. Normal coil based radiators would make
sense. It’s not clear just how practical wiring all that up with
devices
scattered over an area with a diameter of 40 meters.
Bob
On Jan 25, 2022, at 1:19 PM, Adrian Godwin <[email protected]>
wrote:
Would a loop surrounding the watch (like an induction loop system for
hearing aids) help keep the radiation lower ?
On Tue, Jan 25, 2022 at 6:14 PM Bob kb8tq <[email protected]> wrote:
Hi
It’s not clear that the regs in Australia would care about
doing this in an area not covered by this or that time signal.
I don’t know *what* they do or don’t say. My only concern
is that we all stay out of jail :)
Bob
On Jan 25, 2022, at 12:21 PM, Lux, Jim <[email protected]> wrote:
On 1/25/22 7:52 AM, Bob kb8tq wrote:
Hi
I would check the local rules and regs before you put money
into one of these gizmos. At least by the rules over here, this
sort of thing might get you in trouble.
Setting a watch 30 cm away would require *very* low power
At 20m, you'd probably be risking setting your neighbors' clocks
(unless
you live in the middle of a huge tract of deserted land, of which
there are
many in Australia)
Bob
On Jan 25, 2022, at 5:29 AM, Anthony Dunne <[email protected]>
wrote:
G'day time nut friends
I wonder if one of you could point me in the right direction on
how to
purchase (if one exists) a Time Signal Transmitter for use at the
local
level (range 20m) for synchronising watches and radio clocks using
the
various standard radio frequencies?
And for the transmitter itself to receive / synchronise it's time
using NTP?
I am in Australia and we are out of range for the normal
transmissions...
Kind regards to you all
Anthony Dunne
Sydney, Australia
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