Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6MHZ callsign genealogy
Currently held by Poma, 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 W6MHZ's current licensee, walking backwards.
- Poma, Shawn DCAgranted 2019-02-04cancelled 2019-02-22
Successor callsigns
Callsigns held now by people who previously held W6MHZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W6MHZ, oldest first.
- ABBETT, EUGENE B CA1987-11-24 → cancelled 1999-11-25
- Kindsvater, Serges CA2006-07-25 → cancelled 2018-07-26
- Poma, Shawn D CA2019-02-22 active