That "drift" is the characteristic ‘Fox Tail’ of the Fox-1 series FM transmitter.

Read here: http://www.arrl.org/news/view/radfxsat-fox-1b-launched-successfully-designat...

73, Rick VK6RK

On 19/11/2017 09:13, vk4tec@tech-software.net wrote:

Hello

I have seen the new bird a few times from other people now as recorded on an SDR

I am seeing a short drift in tx frequency from 145.900 up to 145.960 MHz on startup

Is this the LO coming into lock or a battery droop ?

Andrew VK4TEC