Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K6RSQ callsign genealogy
Currently held by TOLENTINO, IAN D
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 K6RSQ's current licensee, walking backwards.
- Cowan Sr, Scott ECAgranted 2015-08-31cancelled 2015-09-18
Successor callsigns
Callsigns held now by people who previously held K6RSQ.
- Tolentino, Ian DCAgranted 2012-11-27cancelled 2014-01-11
All historical holders
Every license row we've seen with the callsign K6RSQ, oldest first.
- TOLENTINO, IAN D CA2009-05-05 → cancelled 2012-11-27
- Cowan Sr, Scott E TX2015-09-18 active