Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5HO callsign genealogy
Currently held by THE DIRTS
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 K5HO's current licensee, walking backwards.
- CAMPBELL, CHRISTOPHER TTXgranted 2021-02-02cancelled 2023-01-24
Successor callsigns
Callsigns held now by people who previously held K5HO.
- SHEFFIELD, JAMES WTXgranted 2025-05-30
All historical holders
Every license row we've seen with the callsign K5HO, oldest first.
- WATERTOWN AMATEUR RADIO SOCIETY CA1996-11-04 → cancelled 2000-11-03
- Sheffield, James W TX2002-11-22 → cancelled 2005-06-10
- THE DIRTS NC2017-07-19 → cancelled 2021-01-04
- CAMPBELL, CHRISTOPHER T TX2023-01-24 active