Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4HMM callsign genealogy
Currently held by PFOST, FRANCIS M
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 N4HMM's current licensee, walking backwards.
- Maslin, Haley MFLgranted 2018-07-27cancelled 2018-08-14
Successor callsigns
Callsigns held now by people who previously held N4HMM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4HMM, oldest first.
- PFOST, FRANCIS M FL1999-09-22 → cancelled 2011-12-20
- Maslin, Haley M FL2018-08-14 active