Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KH7OO callsign genealogy
Currently held by PACIFIC CONTEST 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 KH7OO's current licensee, walking backwards.
- WH6FTHcancelledHAWAII ISLAND AMATEUR RADIO CLUBHIgranted 2018-04-25cancelled 2018-05-18
Successor callsigns
Callsigns held now by people who previously held KH7OO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KH7OO, oldest first.
- PACIFIC CONTEST CLUB HI1998-07-22 → cancelled 2010-07-23
- HAWAII ISLAND AMATEUR RADIO CLUB HI2018-05-18 active