Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AG7LJ callsign genealogy
Currently held by NIEDERMEYER, TERRENCE P
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 AG7LJ's current licensee, walking backwards.
- NIEDERMEYER, TERRENCE PORgranted 2013-02-05cancelled 2017-12-27
Successor callsigns
Callsigns held now by people who previously held AG7LJ.
- NIEDERMEYER, TERRENCE PORgranted 2018-09-18