uls-tracker Sign in

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

KF0UUW

Cancelled

Christiansen, Collin

Location: Sioux Falls, SD
Class: Technician
Granted: 2025-07-18
Expires: 2035-07-18
FRN: 0037280617

Sign in to watch

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

Vanity availability

329d

Available on 2027-08-05

KF0UUW cancelled on 2025-08-05. Hold ends in 329 days.

Last held by Christiansen, Collin (SD).

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

K0LDYactive· T
Christiansen, CollinSDgranted 2025-08-05

License history

0 events

No recorded events.

More vanity slots coming available

From South Dakota

KF0ROX 2026-09-24
KF0OBE 2026-09-27
KD0TGH 2026-10-09
KF0RSP 2026-10-11
N0PIZ 2026-10-11

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 →