Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4HAO callsign genealogy
Currently held by FOUR RIVERS AMATEUR RADIO CLUB
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 K4HAO's current licensee, walking backwards.
- KF4UGXcancelledHARRIS SR, JAMES Rcancelled 1997-11-20
Successor callsigns
Callsigns held now by people who previously held K4HAO.
No current licensee on record previously held this callsign.