Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4MAR callsign genealogy
Currently held by RIGGINS, MARTIN A
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 K4MAR's current licensee, walking backwards.
- LANGE, MARVIN CVAgranted 2024-11-06cancelled 2025-01-11
Successor callsigns
Callsigns held now by people who previously held K4MAR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4MAR, oldest first.
- Marsh, Raymond M VA2000-10-31 → cancelled 2012-11-01
- RIGGINS, MARTIN A TN2012-12-21 → cancelled 2024-12-24
- LANGE, MARVIN C VA2025-01-11 active