Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N0JAK callsign genealogy
Currently held by Lehman, Patrick A
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 N0JAK's current licensee, walking backwards.
- Lehman, Patrick AIAgranted 2003-04-11cancelled 2003-05-17
Successor callsigns
Callsigns held now by people who previously held N0JAK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N0JAK, oldest first.
- KETCHUM, PAUL M IA1988-03-15 → cancelled 2000-03-16
- Lehman, Patrick A IA2023-03-25 active