Confidence: Medium · Source: FCC ULS · As of 2026-09-09
K0RVB
ActiveRalston, John E
- Location
- San Antonio, TX
- Class
- General
- Granted
- 2020-12-23
- Expires
- 2031-03-22
- Previous call
- KF5JZO
- FRN
- 0018578013
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Vanity availability
HeldCurrently held
K0RVB 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
- Ralston, John ETXgranted 2011-03-03cancelled 2011-03-22
License history
0 eventsNo recorded events.