Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WA2MMO callsign genealogy
Currently held by Bishop, Shawn 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 WA2MMO's current licensee, walking backwards.
- Bishop, Shawn DMAgranted 2016-09-30cancelled 2016-11-01
Successor callsigns
Callsigns held now by people who previously held WA2MMO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WA2MMO, oldest first.
- BROOKS, WILLIAM J NY1994-09-20 → cancelled 2006-09-21
- Bishop, Shawn D MA2016-11-01 active