Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7ATM callsign genealogy
Currently held by Burger, Richard J
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 W7ATM's current licensee, walking backwards.
- Burger, Richard JNVgranted 2011-11-30cancelled 2018-08-21
Successor callsigns
Callsigns held now by people who previously held W7ATM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7ATM, oldest first.
- SAPP, RICHARD W WA2002-03-07 → cancelled 2014-03-08
- Burger, Richard J NV2018-08-21 active