Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KG4KDN callsign genealogy
Currently held by Snowden, Mark D
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 KG4KDN's current licensee, walking backwards.
- Snowden, Mark DTXgranted 2023-12-23cancelled 2024-01-13
Successor callsigns
Callsigns held now by people who previously held KG4KDN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KG4KDN, oldest first.
- Snowden, Mark D NC2000-10-24 → cancelled 2012-10-25
- Snowden, Mark D TX2024-01-13 active