Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD5YS callsign genealogy
Currently held by POLSON, HOUSTON H
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 KD5YS's current licensee, walking backwards.
- POLSON, HOUSTON HLAgranted 2015-04-17cancelled 2017-12-01
Successor callsigns
Callsigns held now by people who previously held KD5YS.
- POLSON, HOUSTON HLAgranted 2023-09-19