uls-tracker Sign in

Confidence: Medium · Source: FCC ULS · As of 2026-09-10

KF0WLA

Cancelled

Sonnie, David

Location: Castle Rock, CO
Class: Technician
Granted: 2026-02-20
Expires: 2036-02-20
FRN: 0037928801

Sign in to watch

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

Vanity availability

563d

Available on 2028-03-26

KF0WLA cancelled on 2026-03-27. Hold ends in 563 days.

Last held by Sonnie, David (CO).

Confidence: High

Cancelled licenses begin the 2-year hold immediately on the cancellation date, so this is the firm release date per §97.19.

Callsign genealogy

Prior holders later became

W0EGMcancelled· E
Sonnie, DavidCOgranted 2026-03-27cancelled 2026-06-23

License history

0 events

No recorded events.

More vanity slots coming available

From Colorado

KB7PWB 2026-09-10
KF0RME 2026-09-10
KD0TBG 2026-09-11
KD0TBU 2026-09-11
KD0TBW 2026-09-11

Starting with KF0

KF0RME CO · 2026-09-10
KF0RLS CO · 2026-09-13
KF0INO CO · 2026-09-14
KF0KSQ ND · 2026-09-17
KF0NVL MO · 2026-09-17

Full history → Vanity availability → Callsign genealogy →