[time-nuts] Re: Time Signal Transmitter (low power)

[rcbuck at atcelectronics.com]

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 <artgodwin at gmail.com> 
>> 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 <kb8tq at n1k.org> 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 <jim at luxfamily.com> 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 <agdunne at hotmail.com>
>>> 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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