Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K1RMH callsign genealogy
Currently held by HARLOW, RUSSELL 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 K1RMH's current licensee, walking backwards.
- Heaney, Robert MMAgranted 2024-11-16cancelled 2025-01-24
Successor callsigns
Callsigns held now by people who previously held K1RMH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K1RMH, oldest first.
- HARLOW, RUSSELL M CT2009-09-10 → cancelled 2021-08-05
- Heaney, Robert M MA2025-01-24 active