Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4HPM callsign genealogy
Currently held by HIRSHBERG, HERMAN D
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 W4HPM's current licensee, walking backwards.
- McMillian, EverettSCgranted 2020-11-18cancelled 2020-12-11
Successor callsigns
Callsigns held now by people who previously held W4HPM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4HPM, oldest first.
- HIRSHBERG, HERMAN D FL1995-09-01 → cancelled 2007-09-05
- McMillian, Everett SC2020-12-11 active