Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9LSC callsign genealogy
Currently held by KOBYLINSKI, HENRY J
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 W9LSC's current licensee, walking backwards.
- Colvin, William DINgranted 2021-03-08cancelled 2021-04-13
Successor callsigns
Callsigns held now by people who previously held W9LSC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9LSC, oldest first.
- KOBYLINSKI, HENRY J WI2007-10-17 → cancelled 2019-10-30
- Colvin, William D IN2021-04-13 active