Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA1RH callsign genealogy
Currently held by MOON, DAVID L
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 KA1RH's current licensee, walking backwards.
- Heile, Richard RMAgranted 2014-08-25cancelled 2015-12-26
Successor callsigns
Callsigns held now by people who previously held KA1RH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA1RH, oldest first.
- MOON, DAVID L VT1998-04-08 → cancelled 2010-04-09
- Heile, Richard R NH2025-12-04 active