Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4DIP callsign genealogy
Currently held by CALLAWAY JR, ROSSER W
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 K4DIP's current licensee, walking backwards.
- Walch, James HFLgranted 2015-05-15cancelled 2021-04-27
Successor callsigns
Callsigns held now by people who previously held K4DIP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4DIP, oldest first.
- CALLAWAY JR, ROSSER W KY1996-01-11 → cancelled 2008-01-12
- Walch, James H FL2021-04-27 active