Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5RRC callsign genealogy
Currently held by SHEPPARD, JEFFREY S
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 K5RRC's current licensee, walking backwards.
- SHEPPARD, JEFFREY STXgranted 2019-05-06cancelled 2019-06-25
Successor callsigns
Callsigns held now by people who previously held K5RRC.
No current licensee on record previously held this callsign.