Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AJ4SK callsign genealogy
Currently held by Curtis III, Howard L
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 AJ4SK's current licensee, walking backwards.
- Curtis III, Howard LNCgranted 2009-07-15cancelled 2009-08-24
Successor callsigns
Callsigns held now by people who previously held AJ4SK.
No current licensee on record previously held this callsign.