Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD1SAR callsign genealogy
Currently held by Gruger, David L
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 KD1SAR's current licensee, walking backwards.
- Gruger, David LARgranted 2019-03-14cancelled 2022-05-10
Successor callsigns
Callsigns held now by people who previously held KD1SAR.
No current licensee on record previously held this callsign.