Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC4HDJ callsign genealogy
Currently held by Gerson, Brandon M
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 KC4HDJ's current licensee, walking backwards.
- Gerson, Brandon MNVgranted 2015-03-20cancelled 2019-08-16
Successor callsigns
Callsigns held now by people who previously held KC4HDJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC4HDJ, oldest first.
- GERSON, BRANDON M FL2000-10-26 → cancelled 2011-01-19
- Gerson, Brandon M NV2019-08-16 active