Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N9SNK callsign genealogy
Currently held by HEUER, BERTRAM F
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 N9SNK's current licensee, walking backwards.
- Heuer, Carl JINgranted 2017-01-13cancelled 2024-05-07
Successor callsigns
Callsigns held now by people who previously held N9SNK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N9SNK, oldest first.
- HEUER, BERTRAM F IL2002-12-11 → cancelled 2015-03-03
- Heuer, Carl J IN2024-05-07 active