Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N5CML callsign genealogy
Currently held by Martinez, Carlos A
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 N5CML's current licensee, walking backwards.
- Martinez, Carlos ATXgranted 2009-02-02cancelled 2011-10-01
Successor callsigns
Callsigns held now by people who previously held N5CML.
- MASON, JAMES ANVgranted 2003-03-11cancelled 2015-03-12
All historical holders
Every license row we've seen with the callsign N5CML, oldest first.
- MASON, JAMES A NV2000-01-29 → cancelled 2003-03-11
- Martinez, Carlos A TX2021-08-04 active