N9TPB FCC License Search

🕒 FCC license data updated yesterday 9:45 am CDT · next update today 7:15 am CDT

Ask: HAMs within 5 miles of N9TPB · Extra class operators in Madison, WI · or try N9TPB · K9* wildcards · Smith, John · 0004797601 (FRN) · 53703 · Madison, WI

KO0I HAM

Amateur Extra class licensed since 2012 (14 yrs) KO0I since 2017 · previously KD0SKH Boulder, CO

🔒 Not available — currently licensed, through Feb 28, 2027. If it isn't renewed, it opens for vanity requests Mar 1, 2029.

📬 QSL: no LoTW uploads on record · not eQSL AG · QRZ · HamQTH

📝 KO0I has filed vanity applications before — latest filed Feb 10, 2017 · what was requested

Currently held by AMBER P HARRINGTON · 2 holders on record

Current holder: AMBER P HARRINGTON

Held KO0I Feb 28, 2017 → present · first licensed Jul 5, 2012 as KD0SKH · 2 licenses · FRN 0021887807

KO0I Active Amateur Extra · vanity Feb 28, 2017 → expires Feb 28, 2027

Licensee
AMBER P HARRINGTON

Address
PO Box 19144
BOULDER, CO 80308

FRN
0021887807

Previous call
KD0SKH (General)

Last granted
Feb 28, 2017

Effective
Sep 10, 2020

Last action
Sep 10, 2020
FCC actions (4)
- Sep 10, 2020 — Administrative update LIAUA
- Jul 12, 2017 — Administrative update LIAUA
- Feb 28, 2017 — Vanity call sign granted VANGRT
- Feb 28, 2017 — License issued LIISS
KD0SKH Canceled Amateur Extra Jul 5, 2012 → Feb 28, 2017 (canceled)

Licensee
PATRICK J HARRINGTON

Address
2711 Mapleton Ave #3
BOULDER, CO 80304
40.0447, -105.2884 (ZIP center) · Grid DN70ib · CQ 4 · ITU 7 · map ↗

FRN
0021887807

Last granted
Jul 5, 2012

Effective
Aug 25, 2016

Last action
Feb 28, 2017
FCC actions (8)
- Feb 28, 2017 — License canceled LICAN
- Aug 25, 2016 — License modified LIMOD
- Aug 9, 2016 — Administrative update LIAUA
- Aug 14, 2014 — Administrative update LIAUA
- May 7, 2013 — License modified LIMOD
- Apr 19, 2013 — Administrative update LIAUA
- Jul 5, 2012 — License issued LIISS
- Jul 5, 2012 — Systematic call sign granted SYSGRT

Address history

From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.

Seen Apr 16, 2022 → Oct 4, 2026 · 13 snapshots · as KO0I
AMBER P HARRINGTON
PO Box 19144
BOULDER, CO 80308
Seen Nov 4, 2016 → Oct 4, 2026 · 26 snapshots · as KD0SKH
PATRICK J HARRINGTON
2711 Mapleton Ave #3, BOULDER, CO 80304
40.0447, -105.2884 (ZIP center) · Grid DN70ib · CQ 4 · ITU 7 · map ↗
Seen Sep 5, 2017 → May 6, 2019 · 7 snapshots · as KO0I
PATRICK J HARRINGTON
PO Box 19144
BOULDER, CO 80308
Seen Mar 28, 2015 → Jun 30, 2016 · 11 snapshots · as KD0SKH
PATRICK J HARRINGTON
2850 E Aurora Ave Apt 204, BOULDER, CO 80303
39.9732, -105.2093 (ZIP center) · Grid DM79jx · CQ 4 · ITU 7 · map ↗
Seen Oct 22, 2013 → May 22, 2014 · 3 snapshots · as KD0SKH
PATRICK J HARRINGTON
2915 BASELINE RD APT 213, BOULDER, CO 80303
39.9732, -105.2093 (ZIP center) · Grid DM79jx · CQ 4 · ITU 7 · map ↗
Seen Jul 26, 2012 → Apr 12, 2013 · 4 snapshots · as KD0SKH
PATRICK J HARRINGTON
420 S DEPEW ST, LAKEWOOD, CO 80226
39.7101, -105.0921 (ZIP center) · Grid DM79kr · CQ 4 · ITU 7 · map ↗

Previous holder: DAVID E CHOUINARD

Held KO0I Nov 12, 2004 → Feb 9, 2015 · first licensed Nov 12, 2004 as KO0I · 1 license · FRN 0012129003

KO0I Expired Amateur Extra Nov 12, 2004 → Feb 9, 2015 (expired)

Licensee
DAVID E CHOUINARD

Address
193 CHAPIN ST APT 2
SOUTHBRIDGE, MA 01550
42.0597, -72.0339 (ZIP center) · Grid FN32xb · CQ 5 · ITU 8 · map ↗

FRN
0012129003

Last granted
Nov 12, 2004

Effective
Nov 12, 2004

Last action
Sep 4, 2020
FCC actions (3)
- Feb 10, 2017 — License expired LIEXP
- Nov 12, 2004 — License renewed LIREN
- Nov 12, 2004 — FCC action LITIN

Address history

From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.

Seen Nov 7, 2004 → Oct 4, 2026 · 48 snapshots · as KO0I
DAVID E CHOUINARD
193 CHAPIN ST APT 2, SOUTHBRIDGE, MA 01550
42.0597, -72.0339 (ZIP center) · Grid FN32xb · CQ 5 · ITU 8 · map ↗

Vanity applications filed by KO0I

Calls this licensee has asked the FCC for, newest first, in their order of preference. The FCC processes applications 18 days after filing; "likely award" is our estimate from every pending application in filing order.

Filed · Award	Applicant	Requested (in order)	Status
Filed Feb 10, 2017 Granted Feb 28, 2017 0007655977	KD0SKH · PATRICK J HARRINGTON · Amateur Extra 2711 Mapleton Ave #3, BOULDER, CO 80304 40.0447, -105.2884 (ZIP center) · Grid DN70ib · CQ 4 · ITU 7 · map ↗	1.KO0I ✓ granted	Granted got KO0I
Filed Jan 23, 2017 Award date was Feb 10, 2017 0007630257	KD0SKH · PATRICK J HARRINGTON · Amateur Extra 2711 Mapleton Ave #3, BOULDER, CO 80304 40.0447, -105.2884 (ZIP center) · Grid DN70ib · CQ 4 · ITU 7 · map ↗	1.NX0D held	Dismissed
Filed Jan 3, 2017 Award date was Jan 21, 2017 0007607655	KD0SKH · PATRICK J HARRINGTON · Amateur Extra 2711 Mapleton Ave #3, BOULDER, CO 80304 40.0447, -105.2884 (ZIP center) · Grid DN70ib · CQ 4 · ITU 7 · map ↗	1.W0WX held	Dismissed
Filed Dec 30, 2016 Award date was Jan 17, 2017 0007607220	KD0SKH · PATRICK J HARRINGTON · Amateur Extra Attn: Patrick Harrington · 2711 Mapleton Ave #3, BOULDER, CO 80304 40.0447, -105.2884 (ZIP center) · Grid DN70ib · CQ 4 · ITU 7 · map ↗	1.WOWX 2.W0CR held 3.W0BF held 4.K0BM held	Dismissed
Filed Sep 6, 2016 Award date was Sep 24, 2016 0007443629	KD0SKH · PATRICK J HARRINGTON · Amateur Extra Attn: Patrick Harrington · 2711 Mapleton Ave #3, BOULDER, CO 80304 40.0447, -105.2884 (ZIP center) · Grid DN70ib · CQ 4 · ITU 7 · map ↗	1.WM0S held	Dismissed
Filed Sep 2, 2016 Award date was Sep 20, 2016 0007441310	KD0SKH · PATRICK HARRINGTON · Amateur Extra Attn: Patrick James Harrington · 2711 Mapleton Ave #3, BOULDER, CO 80304 40.0447, -105.2884 (ZIP center) · Grid DN70ib · CQ 4 · ITU 7 · map ↗	1.WM0S held 2.AJ0M held 3.KA0Z held 4.NG0X held 5.K0SL held 6.WWO0	Dismissed

Others requesting KO0I

8 applications listed KO0I as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Feb 27, 2017	Mar 17, 2017	KM6GSU · Qingyu Han · San Luis Obispo, CA	2	Granted
Feb 13, 2017	Mar 3, 2017	KD8UHQ · KURT C BROCKMANN · LEBANON, OH	5	Granted
Feb 10, 2017	Feb 28, 2017	AD0XD · ALLEN B BEASLEY · St Charles, MO	1	Dismissed
Feb 10, 2017	Feb 28, 2017	KD0SKH · PATRICK J HARRINGTON · BOULDER, CO	1	Granted
Feb 10, 2017	Feb 28, 2017	AD0WS · RONALD E BLOSS · Hutchinson, KS	1	Dismissed
Feb 10, 2017	Feb 28, 2017	KD0EBL · Kyle M Martin · Palmyra, MO	1	Dismissed
Feb 10, 2017	Feb 28, 2017	KF5KI · JOHN E BEATTY · Columbia, MO	1	Dismissed
Feb 10, 2017	Feb 28, 2017	W6CAX · Stephen W Cardoos · Westminster, CA	4	Dismissed

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for KO0I in the last 24 hours. They show up here within seconds of KO0I beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.