Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N0WHL callsign genealogy
Currently held by DAVIDSON, JEFFERY 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 N0WHL's current licensee, walking backwards.
- Granholm, JohnNVgranted 2025-02-28cancelled 2025-03-21
Successor callsigns
Callsigns held now by people who previously held N0WHL.
- Granholm, JohnNVgranted 2026-08-11
All historical holders
Every license row we've seen with the callsign N0WHL, oldest first.
- DAVIDSON, JEFFERY A KS2003-06-06 → cancelled 2015-06-09
- Granholm, John NV2025-03-21 → cancelled 2026-08-11