Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W1BLT callsign genealogy
Currently held by JOHNSON SR, WILLIAM W
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 W1BLT's current licensee, walking backwards.
- KINDRED, ALEC SMEgranted 2018-09-20cancelled 2021-07-09
Successor callsigns
Callsigns held now by people who previously held W1BLT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W1BLT, oldest first.
- JOHNSON SR, WILLIAM W ME2020-02-25 → cancelled 2021-05-26
- KINDRED, ALEC S ME2021-07-09 active