Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4IMP callsign genealogy
Currently held by Packard, Spencer T
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 K4IMP's current licensee, walking backwards.
- Packard, Spencer TVAgranted 2015-02-10cancelled 2015-02-28
Successor callsigns
Callsigns held now by people who previously held K4IMP.
No current licensee on record previously held this callsign.