[time-nuts] Setting Time on WSPR Radio Transmitter

Donald E. Pauly trojancowboy at gmail.com
Fri Jun 22 14:17:24 EDT 2018


I was not aware of time.is but it is an Icelandic website.  It is
maintained by a guy in Norway and the accuracy and reliability is not
known.  I would use time.gov which is the NIST website.  It is
corrected for network delay.  A few years back I compared it with WWVB
on 60 kc and it was well within a tenth of a second.  There have been
posts here of different computers giving errors of a few seconds on it
with different internet providers.  I have seen discrepancies between
my cell phone and the wireless at MacDonalds for example.  The trouble
seems to been caches of the website.  Hit F5 for refresh and you
should get a fresh page.  Just now my phone on Metro PCS and laptop on
wireless both agree with time.gov considering slight known errors.
Time.is shows my laptop to be slow by 0.87 seconds which is correct.
Do not trust the network time on your cell phone.  I have seen them a
minute off.  Usually cell phone time is within a couple of seconds
with my carrier.  My phone is set to time.gov and not network time.

On Fri, Jun 22, 2018 at 10:31 AM, Azelio Boriani
<azelio.boriani at gmail.com> wrote:
> Is time.is not accurate or your desktop's clock? Try https://uhr.ptb.de
> On Fri, Jun 22, 2018 at 6:58 PM Brooke Clarke <brooke at pacific.net> wrote:
>>
>> Hi:
>>
>> I'm experimenting with a WSPR beacon transmitter and part of how it works depends on pushing the start button at exactly
>> 2 seconds past the minute.
>> http://prc68.com/I/DRM.shtml#WSPR
>> The problem is the transmitter (and the start button) are out in the forest where the antenna is located.
>> http://prc68.com/I/Images/TCI651TOA1s.jpg
>>
>> SotaBeams, who make the WSPRlite transmitter recommends using http://time.is/ which seems to be accurate on my cell
>> phone but not on my desktop running the stock NTP.
>> Can someone comment on time.is?
>>
>> --
>> Have Fun,
>>
>> Brooke Clarke
>> http://www.PRC68.com
>> http://www.end2partygovernment.com/2012Issues.html
>>
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