Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF2SJ callsign genealogy
Currently held by FISCHBACH, LAURENCE J
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 KF2SJ's current licensee, walking backwards.
- KA2NMEno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KF2SJ.
- FISCHBACH, LAURENCE JTXgranted 2013-11-21cancelled 2026-03-06