Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KQ5DX callsign genealogy
Currently held by GROSELLE, ROBERT K
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 KQ5DX's current licensee, walking backwards.
- GROSELLE, ROBERT KTXgranted 2014-05-30cancelled 2022-05-24
Successor callsigns
Callsigns held now by people who previously held KQ5DX.
- KR5NMactiveSIERRA BLANCA AMATEUR RADIO CLUBNMgranted 2020-11-13
All historical holders
Every license row we've seen with the callsign KQ5DX, oldest first.
- CEDAR RIDGE CONTEST ASSOCIATION NM1997-05-20 → cancelled 2001-01-05
- GROSELLE, ROBERT K TX2022-05-24 active