Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB5IOC callsign genealogy
Currently held by Pearson, Harold L
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 KB5IOC's current licensee, walking backwards.
- Pearson, Harold LARgranted 2014-07-07cancelled 2014-07-29
Successor callsigns
Callsigns held now by people who previously held KB5IOC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB5IOC, oldest first.
- PEARSON, HAROLD L AR1989-04-04 → cancelled 2001-04-05
- Pearson, Harold L AR2024-07-09 active