Due to a user error (me), I inadvertently blew the Blitzortung STM32F4-Discovery daughter board, fortunately this was the only element damaged.
The new station identification number is now 1354 from the previous ident of 755, the original station was 675 but after each daughter board change, the station is reassigned a new number based on the embedded code within the discovery board.
I was off line for about two hours, but everything is working as expected again.
from where did you get the light with your call sine
Thanks for checking in, the sign was from https://www.hamradiosigns.co.uk