Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W8JJK callsign genealogy
Currently held by HARRINGTON, DEREK C
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 W8JJK's current licensee, walking backwards.
- HARRINGTON, DEREK CTXgranted 2002-04-11cancelled 2004-08-17
Successor callsigns
Callsigns held now by people who previously held W8JJK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W8JJK, oldest first.
- FREPPEL, FRANCIS N OH1996-12-24 → cancelled 2003-03-08
- HARRINGTON, DEREK C CO2026-04-07 active