Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB1FMA callsign genealogy
Currently held by Sellstone, Michael R
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 WB1FMA's current licensee, walking backwards.
- Sellstone, Michael RMAgranted 2019-10-08cancelled 2019-10-29
Successor callsigns
Callsigns held now by people who previously held WB1FMA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WB1FMA, oldest first.
- SELLSTONE, PAUL R MA2007-07-12 → cancelled 2019-10-03
- Sellstone, Michael R MA2019-10-29 active