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

KC0TDS

Cancelled

Krassa, Robert F T

Location: Boulder, CO
Class: Amateur Extra
Granted: 2004-09-29
Expires: 2014-09-29
FRN: 0011587391

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

Vanity availability

Available

Available now

KC0TDS cleared its 2-year hold on 2009-10-01. Eligible for vanity application.

Last held by Krassa, Robert F T (CO).

Confidence: High

Cancelled licenses begin the 2-year hold immediately, so this date is the firm release date per §97.19. Already past — fileable subject to FCC verification.

Callsign genealogy

Full chain →

Prior holders later became

AC0JLactive· E
KRASSA, ROBERT F TCOgranted 2024-07-16

License history

0 events

No recorded events.

More vanity slots coming available

From Colorado

All →

K0RTS 2026-09-09
K7UGT 2026-09-09
W0RMH 2026-09-09
KB7PWB 2026-09-10
KF0RME 2026-09-10

Starting with KC0

All →

KC0OBE MN · 2026-09-15
KC0OBK MN · 2026-09-16
KC0OBW AL · 2026-09-16
KC0OBZ CO · 2026-09-16
KC0OCA CO · 2026-09-16

Full history → Vanity availability → Callsign genealogy →