Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KM8RTY callsign genealogy
Currently held by Sanford, Martin 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 KM8RTY's current licensee, walking backwards.
- Sanford, Martin DMIgranted 2024-04-30cancelled 2025-04-18
Successor callsigns
Callsigns held now by people who previously held KM8RTY.
- Sanford, Martin DMIgranted 2024-04-30cancelled 2025-04-18
All historical holders
Every license row we've seen with the callsign KM8RTY, oldest first.
- Sanford, Martin D MI2021-04-16 → cancelled 2024-04-30
- Sanford, Martin D MI2025-04-18 active