Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD4PNO callsign genealogy
Currently held by Bishop, Susan G
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 KD4PNO's current licensee, walking backwards.
- Bishop, Susan GALgranted 2017-08-21cancelled 2018-02-06
Successor callsigns
Callsigns held now by people who previously held KD4PNO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KD4PNO, oldest first.
- USOLTSEV, NIKOLAS K NC1992-06-16 → cancelled 2004-06-17
- Bishop, Susan G AL2018-02-06 active