Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K1SVF callsign genealogy
Currently held by NASH, DONALD H
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 K1SVF's current licensee, walking backwards.
- JAHL, THOMASMAgranted 2021-01-08cancelled 2024-01-09
Successor callsigns
Callsigns held now by people who previously held K1SVF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K1SVF, oldest first.
- NASH, DONALD H FL1996-05-06 → cancelled 2008-05-07
- JAHL, THOMAS MA2024-01-09 active