Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA4SSB callsign genealogy
Currently held by McMillan III, John V
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 KA4SSB's current licensee, walking backwards.
- McMillan III, John VNCgranted 2016-01-19cancelled 2016-02-27
Successor callsigns
Callsigns held now by people who previously held KA4SSB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA4SSB, oldest first.
- MC MILLAN III, JOHN V NC1995-12-14 → cancelled 2007-12-15
- McMillan III, John V NC2026-01-21 active