Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7ATT callsign genealogy
Currently held by LEWIS, ARTHUR
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 W7ATT's current licensee, walking backwards.
- McNamar, Mark EWAgranted 2023-06-27cancelled 2023-09-30
Successor callsigns
Callsigns held now by people who previously held W7ATT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7ATT, oldest first.
- LEWIS, ARTHUR TX2011-10-12 → cancelled 2023-09-12
- McNamar, Mark E WA2023-09-30 active