Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4ACP callsign genealogy
Currently held by Linn, David
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 K4ACP's current licensee, walking backwards.
- Linn, David DGAgranted 2009-09-21cancelled 2009-10-09
Successor callsigns
Callsigns held now by people who previously held K4ACP.
No current licensee on record previously held this callsign.