nwts version 2

nwts has a lot of potential to be more than a simple GPS emulator just to set the time from UTC.
There were several requests from customers to extend nwts' functionality.
Last week we released nwts version 2.1 beta. This version includes:

• Time zone support
  • The $GPMRC message can be adjusted to a give UTC offset according to the time zone
• Daylight savings time (DST) support
  • A DST UTC offset can be configured, as well as the dates when DST starts and ends
• Select which NMEA messages your clock requires
  • Free precious clock cycles from your clock's MCU. Select only the NMEA messages your clock requires. Also, select to send the messages only when NTP time is in sync
• Select a GPS update interval, instead of every second
• Adjust GPS UTC time, forward or backward it to compensate for your clock internal drift
• Select the time/date format on the webpage you like
• Various small corrections, fixes and optimisations

Some customers requested the "Clock drift correction" option:

Two clocks from my customer Jeff Walton: on top there's a Nocrotec Bluedream and on the bottom a PV Electronics clock. The Bluedream clock has a constant delay of -3 seconds, so when connecting the clocks to the same time source, there's always a noticeable 3 delay on the Nocrotec displayed time.

Changing the drift in nwts on the unit that has the delay, increasing it to 3 seconds, makes the Nocrotec clock align the time with the PV Electronics clock.

Here's Jeff's configuration. You can also see the time zone and DST parameters.

The release version of nwts 2, version 2.2 will be available on Sunday, April 2nd 2017. All new nwts units ordered after this date will include version 2.2.