[time-nuts] new WWVB BPSK dev board

[Paul Bicknell]

Hi thank you Bob for the mail 

Do you realise the 60 Khz Transmitter in the UK was moved from Rugby in the
centre of England north by more than 200 miles 
Paul 

-----Original Message-----
From: time-nuts [mailto:time-nuts-bounces at lists.febo.com] On Behalf Of Bob
kb8tq
Sent: 04 December 2018 02:38
To: Discussion of precise time and frequency measurement
Subject: Re: [time-nuts] new WWVB BPSK dev board

Hi

The interference "front" turns out to be over the US rather than over the
UK. Power, 
distance, and propagation all get into the "why". The answer is that you get
crazy
fades and phase shifts as a result.

Bob

> On Dec 3, 2018, at 9:20 PM, Paul Bicknell <paul at bicknells.f2s.com> wrote:
> 
> Hi All 
> 
> There is a 60 Khz  frequency standard operating in the UK 
> 
> So do the two signals interfere with each other? 
> Paul
> 
> -----Original Message-----
> From: time-nuts [mailto:time-nuts-bounces at lists.febo.com] On Behalf Of Tom
> Van Baak
> Sent: 04 December 2018 02:12
> To: Discussion of precise time and frequency measurement
> Subject: [time-nuts] new WWVB BPSK dev board
> 
> At long last, a complete WWVB 60 kHz BPSK dev board is available:
> 
>
https://universal-solder.ca/product/everset-es100-cob-wwvb-60khz-bpsk-receiv
> er-kit-with-2-antennas/
> 
> Note it includes the antenna(s). Also has links to documentation.
> 
> It would be very nice if a bunch of time nuts around the country played
with
> these and reported results.
> 
> Prior to this, the only device that you could buy which used the enhanced
> WWVB format was the La Crosse 404-1235UA-SS UltrAtomic clock. It was not
> developer friendly, so a dev board with the Everset ES100 chip is good
news.
> 
> The maker / hacker / Arduino crowd may enjoy a fresh source of accurate
> time; something independent of GPS or NTP. Some technical postings about
> reception quality, acquisition speed, and timing precision would be most
> welcome.
> 
> /tvb
> 
> 
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Checked by AVG - www.avg.com
Version: 2016.0.8048 / Virus Database: 4793/15883 - Release Date: 08/14/18
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