Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD7IJN callsign genealogy
Currently held by Martinez, Mark F
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 KD7IJN's current licensee, walking backwards.
- Martinez, Mark FNVgranted 2023-06-02cancelled 2023-07-11
Successor callsigns
Callsigns held now by people who previously held KD7IJN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KD7IJN, oldest first.
- Martinez, Mark F NV2000-03-23 → cancelled 2012-03-24
- Martinez, Mark F NV2023-07-11 active