Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K0LZL callsign genealogy
Currently held by Rowland, William 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 K0LZL's current licensee, walking backwards.
- Rowland, William JMOgranted 2023-03-22cancelled 2026-06-05
Successor callsigns
Callsigns held now by people who previously held K0LZL.
No current licensee on record previously held this callsign.