Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4PMO callsign genealogy
Currently held by Schmand III, Robert
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 K4PMO's current licensee, walking backwards.
- Schmand III, RobertVAgranted 2021-01-25cancelled 2021-02-13
Successor callsigns
Callsigns held now by people who previously held K4PMO.
No current licensee on record previously held this callsign.