Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5MSM callsign genealogy
Currently held by Massey, Melissa S
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 K5MSM's current licensee, walking backwards.
- Massey, Melissa STXgranted 2007-08-13cancelled 2007-09-01
Successor callsigns
Callsigns held now by people who previously held K5MSM.
- Murdoch, Michael STXgranted 2003-06-17cancelled 2004-03-19
All historical holders
Every license row we've seen with the callsign K5MSM, oldest first.
- Murdoch, Michael S TX2003-05-09 → cancelled 2003-06-17
- Massey, Melissa S OK2017-06-06 active