Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K6PPO callsign genealogy
Currently held by MILLS JR, SANFORD
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 K6PPO's current licensee, walking backwards.
- Holz, Kurt ACAgranted 2014-10-22cancelled 2015-10-14
Successor callsigns
Callsigns held now by people who previously held K6PPO.
- Holz, Kurt AAZgranted 2025-08-21
All historical holders
Every license row we've seen with the callsign K6PPO, oldest first.
- MILLS JR, SANFORD CA1990-09-11 → cancelled 2002-09-12
- Holz, Kurt A AZ2015-10-14 → cancelled 2019-04-29