[time-nuts] WWVB format change in 2012

[jimlux]

On 2/28/16 7:07 AM, Sanjeev Gupta wrote:
> On Sun, Feb 28, 2016 at 9:45 PM, Tim Shoppa <tshoppa at gmail.com> wrote:
>
>> Support for WWV in ntpd using the wwv_audio refclock is very good and
>> delivers jitters substantially less than a millisecond. I have been using
>> this for over a decade.
>>
>
> Thank you.  In particular, WWV, as compared to WWVB.

What you're looking at (unless you're very close to WWV or WWVH) is the 
uncertainty in the skywave path through the ionosphere.


>
> Is there an on-web reference that I can document, so that the NTPSec
> developers can decide on if and how to support WWV.
>

A reference to what WWV radiates as a signal?
http://www.nist.gov/pml/div688/grp40/wwv.cfm

http://tf.nist.gov/general/pdf/1383.pdf