Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W2HAP callsign genealogy
Currently held by KANTHACK, IRVIN H
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 W2HAP's current licensee, walking backwards.
- Hapner, ChristopherOHgranted 2025-05-23cancelled 2026-07-24
Successor callsigns
Callsigns held now by people who previously held W2HAP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W2HAP, oldest first.
- KANTHACK, IRVIN H WA2002-01-16 → cancelled 2014-02-12
- Hapner, Christopher OH2026-07-24 active