Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4BIG callsign genealogy
Currently held by BOYD, MICHAEL K
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 W4BIG's current licensee, walking backwards.
- Romanczak, Nathan JTNgranted 2020-06-15cancelled 2021-03-23
Successor callsigns
Callsigns held now by people who previously held W4BIG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4BIG, oldest first.
- BOYD, MICHAEL K FL2009-01-07 → cancelled 2021-01-15
- Romanczak, Nathan WA2021-03-23 active