Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W5MQK callsign genealogy
Currently held by PHILLIPS JR, ROBERT B
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 W5MQK's current licensee, walking backwards.
- BLAIR, MAURY KOKgranted 2013-04-26cancelled 2015-10-31
Successor callsigns
Callsigns held now by people who previously held W5MQK.
- BLAIR, MAURY KOKgranted 2025-09-19
All historical holders
Every license row we've seen with the callsign W5MQK, oldest first.
- PHILLIPS JR, ROBERT B OK1988-08-02 → cancelled 2000-08-03
- BLAIR, MAURY K OK2015-10-31 → cancelled 2018-05-23