Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NA0F callsign genealogy
Currently held by Christensen, Larry R
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 NA0F's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held NA0F.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NA0F, oldest first.
- GRANT, HARRY T KS1997-03-20 → cancelled 2009-03-21
- Christensen, Larry R MN2019-02-05 active