Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N7RTM callsign genealogy
Currently held by MACAULEY, RYAN T
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 N7RTM's current licensee, walking backwards.
- MACAULEY, RYAN TIDgranted 2020-11-20cancelled 2020-12-15
Successor callsigns
Callsigns held now by people who previously held N7RTM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N7RTM, oldest first.
- CRUM, WEBB AZ2001-02-14 → cancelled 2013-05-15
- MACAULEY, RYAN T ID2020-12-15 active