Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KO5RDD callsign genealogy
Currently held by Martinez Rego, Rolando
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 KO5RDD's current licensee, walking backwards.
- Martinez Rego, RolandoTXgranted 2018-11-26cancelled 2018-12-15
Successor callsigns
Callsigns held now by people who previously held KO5RDD.
- Martinez Rego, RolandoTXgranted 2022-12-10