Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K1RSD callsign genealogy
Currently held by Markey, Paul J
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 K1RSD's current licensee, walking backwards.
- Markey, Paul JNHgranted 2007-05-22cancelled 2016-05-20
Successor callsigns
Callsigns held now by people who previously held K1RSD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K1RSD, oldest first.
- MARKEY, ALFRED P NH2014-07-11 → cancelled 2015-12-03
- Markey, Paul J NH2026-02-24 active