Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA7WHO callsign genealogy
Currently held by MC MANUS, MICHAEL E
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 KA7WHO's current licensee, walking backwards.
- McManus, Peter XIDgranted 2019-03-08cancelled 2019-03-29
Successor callsigns
Callsigns held now by people who previously held KA7WHO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA7WHO, oldest first.
- MC MANUS, MICHAEL E WA2002-09-20 → cancelled 2014-11-25
- McManus, Peter X ID2019-03-29 active