Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6OL callsign genealogy
Currently held by WALLACE, ROBERT E
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 K6OL's current licensee, walking backwards.
- Lin, JacobCAgranted 2019-07-29cancelled 2019-08-16
Successor callsigns
Callsigns held now by people who previously held K6OL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6OL, oldest first.
- WALLACE, ROBERT E NV1999-04-23 → cancelled 2007-01-08
- Terrell MD, Edward L CA2009-04-14 → cancelled 2017-07-28
- Lin, Jacob CA2019-08-16 active