Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0IPH callsign genealogy
Currently held by Holesovsky, Alan L
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 K0IPH's current licensee, walking backwards.
- Holesovsky, Alan LCOgranted 2001-01-30cancelled 2010-01-12
Successor callsigns
Callsigns held now by people who previously held K0IPH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K0IPH, oldest first.
- HOLESOVSKY, DAVID F CO1996-09-23 → cancelled 2008-09-24
- Holesovsky, Alan L CO2019-12-27 active