Confidence: Medium · Source: FCC ULS · As of 2026-09-09
KT5MSR
ActiveRiaboy, Mark S
- Location
- Rowlett, TX
- Class
- Technician
- Granted
- 2019-04-23
- Expires
- 2029-04-23
- Previous call
- KI5EAF
- FRN
- 0028269744
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Vanity availability
HeldCurrently held
KT5MSR 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
- Riaboy, Mark STXgranted 2019-03-29cancelled 2019-04-23
License history
0 eventsNo recorded events.