Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KE4PQZ callsign genealogy
Currently held by Sirgo, Joseph R
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 KE4PQZ's current licensee, walking backwards.
- Sirgo, Joseph RALgranted 2017-03-08cancelled 2017-03-28
Successor callsigns
Callsigns held now by people who previously held KE4PQZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KE4PQZ, oldest first.
- SIRGO, JOSEPH R FL1994-08-12 → cancelled 2006-08-15
- Sirgo, Joseph R AL2017-03-28 active