Confidence: Medium · Source: FCC ULS · As of 2026-09-10
W3MMA
ActiveSiegrist, Robert
- Location
- Philadelphia, PA
- Class
- General
- Granted
- 2020-07-24
- Expires
- 2030-07-24
- Previous call
- KB3ZKN
- FRN
- 0017180621
Sign in to watch
Get notified about status changes and vanity availability for this callsign.
Vanity availability
HeldCurrently held
W3MMA is held by an active license; it isn't a vanity slot right now.
Vanity availability dates are computed from FCC §97.19's hold periods: 2 years from the cancellation date for cancelled or terminated licenses, 4 years from the expiration date for expired licenses (2-year renewal grace + 2-year hold).
Callsign genealogy
Full chain →Previously held by current licensee
- Siegrist, RobertPAgranted 2012-11-07cancelled 2020-07-24
License history
0 eventsNo recorded events.