uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-09

WP4SB

Active

BALLESTER DAVILA, STEPHANIE M

Location
SAN GERMAN, PR
Class
Technician
Granted
2023-08-01
Expires
2033-08-01
Previous call
WP4SWT
FRN
0033853722
Sign in to watch

Get notified about status changes and vanity availability for this callsign.

Vanity availability

Held

Currently held

WP4SB 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

  1. WP4SWTcancelled· T
    BALLESTER DAVILA, STEPHANIE MPRgranted 2023-06-27cancelled 2023-08-01

License history

0 events

No recorded events.

More vanity slots coming available

From Puerto Rico

All →

Starting with WP4

All →