Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4PPL callsign genealogy
Currently held by Flickinger, Robert N
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 K4PPL's current licensee, walking backwards.
- Flickinger, Robert NARgranted 2014-03-27cancelled 2015-10-09
Successor callsigns
Callsigns held now by people who previously held K4PPL.
No current licensee on record previously held this callsign.