Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W1MAH callsign genealogy
Currently held by Mah, Sherman C
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 W1MAH's current licensee, walking backwards.
- Price, Mark ACOgranted 2022-01-06cancelled 2022-01-28
Successor callsigns
Callsigns held now by people who previously held W1MAH.
- Mah, Sherman CCAgranted 2025-05-06
All historical holders
Every license row we've seen with the callsign W1MAH, oldest first.
- Mah, Sherman C CA2015-02-13 → cancelled 2015-04-17
- Price, Mark A CO2022-01-28 active