A few months ago, I tweeted Heikki to inform him that I was no longer able to geolocate on aprs.fi. This turned out to be a problem elsewhere (ie not my end!) however the problem was more “all-encompassing” and would affect all users of the site. Heikke has now addressed (or is about to address) the issue.
Read more at What’s up on aprs.fi: aprs.fi moving to TLS