Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4RJP callsign genealogy
Currently held by Pendergrass, Ralph 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 K4RJP's current licensee, walking backwards.
- PENDERGRASS, RALPH JTNgranted 2017-10-06cancelled 2025-06-03
Successor callsigns
Callsigns held now by people who previously held K4RJP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4RJP, oldest first.
- Parrish, Richard J NC2013-05-14 → cancelled 2025-05-15
- Pendergrass, Ralph J TN2025-06-03 active