Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0THP callsign genealogy
Currently held by PECK, SANFORD 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 K0THP's current licensee, walking backwards.
- Pierce, Thomas HIAgranted 2011-02-08cancelled 2011-10-14
Successor callsigns
Callsigns held now by people who previously held K0THP.
- PIERCE, THOMAS HMOgranted 2026-02-11
All historical holders
Every license row we've seen with the callsign K0THP, oldest first.
- PECK, SANFORD L KS1997-10-09 → cancelled 2009-10-10
- PIERCE, THOMAS H SD2011-10-14 → cancelled 2016-01-30