Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD6RTL callsign genealogy
Currently held by Long, Ryan T
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 KD6RTL's current licensee, walking backwards.
- Long, Ryan TCAgranted 2025-06-05cancelled 2025-06-24
Successor callsigns
Callsigns held now by people who previously held KD6RTL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KD6RTL, oldest first.
- MARLOW, GARY V CA1993-01-26 → cancelled 2005-01-27
- Long, Ryan T CA2025-06-24 active