GB3SEE frequency stability. 

 

Drift reaches 25Hz/minute

 

Nominal Tx Frequency 10368.839 during this plot.

Maximum frequency measured to date, 10368.861 MHz, minimum 10368.838 MHz

 

Bold vertical lines are 1 minute intervals, dotted, 30secs.

Horizontals are 50Hz  divisions.

Scales to bottom and rh side of graph.