SDR-Radio Server frequency variance

obrienaj <k3ukandy@...>

I was connected to an SDR-IQ UK server today, and tuned to 198 Khz. No "big signal" from Radio Four. I found Radio 4 up around 192. Then I connected to another SDR in the UK and BBC Radio 4 was on 198. Would frequency really vary that much ?

Andy K3UK
(SDR-Radio Server on line)