[time-nuts] FTS125 GPS Module

Hello, Has anyone had a play with the FTS125 GPS reference from Connor Winfield. I have one question on it. I notice if the unit is locked to GPS and the antenna is removed, the unit goes to holdover which is correct. If the antenna is replaced quickly (within minutes) then the module changes

[time-nuts] 50:50 duty from a PRS10

Hello, I have a PRS10 rubidium which gives a 1pps output. The output is a 10 us positive pulse. I need to convert that to a 50:50 duty cycle pulse. Still 1pps. I'm hoping for a simple circuit rather than having to use a pic. I don't mind a bit of propagation delay, but I need to preserve