Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7TOL callsign genealogy
Currently held by LYMAN, CHARLES M
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 W7TOL's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held W7TOL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7TOL, oldest first.
- LYMAN, CHARLES M ID2004-04-27 → cancelled 2016-07-15
- O Leary Sr, Terrence A WA2020-04-14 active