Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7MAD callsign genealogy
Currently held by HINCHCLIFF, JAMES 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 K7MAD's current licensee, walking backwards.
- South, MartyMTgranted 2021-03-25cancelled 2021-05-04
Successor callsigns
Callsigns held now by people who previously held K7MAD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7MAD, oldest first.
- HINCHCLIFF, JAMES R AZ1989-07-18 → cancelled 2001-07-19
- Mohr Dr., Brian D WA2009-02-28 → cancelled 2021-03-02
- South, Marty MT2021-05-04 active