Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K5NDM callsign genealogy
Currently held by Arnold, Terry L
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 K5NDM's current licensee, walking backwards.
- Macha, Nathan DTXgranted 2021-02-09cancelled 2021-03-09
Successor callsigns
Callsigns held now by people who previously held K5NDM.
- Arnold, Terry LARgranted 2015-09-15
All historical holders
Every license row we've seen with the callsign K5NDM, oldest first.
- Arnold, Terry L AR2014-07-18 → cancelled 2015-09-15
- Macha, nathan d TX2021-03-09 active