Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD8ZLQ callsign genealogy
Currently held by QUATTRO II, JOHN R
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 KD8ZLQ's current licensee, walking backwards.
- QUATTRO II, JOHN ROHgranted 2015-01-13cancelled 2016-12-02
Successor callsigns
Callsigns held now by people who previously held KD8ZLQ.
- QUATTRO II, JOHN ROHgranted 2015-01-13cancelled 2016-12-02
All historical holders
Every license row we've seen with the callsign KD8ZLQ, oldest first.
- QUATTRO II, JOHN R OH2014-09-16 → cancelled 2015-01-13
- QUATTRO II, JOHN R OH2016-12-02 active