Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K1AK callsign genealogy
Currently held by JOHNSTON, ALEXANDER T
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by K1AK's current licensee, walking backwards.
- KC2MNGcancelledRadiosport UnlimitedNYgranted 2004-02-13cancelled 2004-08-10
Successor callsigns
Callsigns held now by people who previously held K1AK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K1AK, oldest first.
- JOHNSTON, ALEXANDER T MA1996-04-22 → cancelled 2000-02-18
- Washington Twp Amateur Radio Club NH2016-08-03 active