Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9DLO callsign genealogy
Currently held by Wollman, Jacob 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 K9DLO's current licensee, walking backwards.
- Wollman, Jacob MWIgranted 2024-10-19cancelled 2025-05-16
Successor callsigns
Callsigns held now by people who previously held K9DLO.
No current licensee on record previously held this callsign.