Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1DPK callsign genealogy
Currently held by Keffer, Dennis P
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 K1DPK's current licensee, walking backwards.
- Keffer, Dennis PWIgranted 2013-05-24cancelled 2014-03-18
Successor callsigns
Callsigns held now by people who previously held K1DPK.
No current licensee on record previously held this callsign.