Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD7EM callsign genealogy
Currently held by Swander Jr, Arthur D
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 AD7EM's current licensee, walking backwards.
- Swander Jr, Arthur DAZgranted 2011-10-18cancelled 2012-07-20
Successor callsigns
Callsigns held now by people who previously held AD7EM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AD7EM, oldest first.
- Roberts, John J WA2000-03-17 → cancelled 2005-01-14
- Swander Jr, Arthur D AZ2022-06-29 active