N9TPB FCC License Search

🕒 FCC license data updated today 9:42 am CDT (FCC files through Sep 30, 2026) · next update tomorrow 9:15 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

AC1G

⏳ Not available yet — opens for vanity requests Nov 9, 2026, two years after the license was canceled (Nov 8, 2024).

2x1 call: only Amateur Extra licensees can request it. No pending applications list it.

Not currently held · 2 holders on record

Previous holder: Christopher M Onassis

Held AC1G Jul 7, 2020 → Nov 8, 2024 · first licensed Aug 27, 2010 as KF5III · 4 licenses · FRN 0020139234

KM5W Active Amateur Extra · vanity Nov 8, 2024 → expires Nov 8, 2034

Licensee
Christopher M Onassis

Address
21124 American Yellowwood Pl
Porter, TX 77365
30.1145, -95.2491 (street) · Grid EM20jc · CQ 4 · ITU 7 · map ↗

FRN
0020139234

Previous call
AC1G (General)

Last granted
Nov 8, 2024

Effective
Nov 8, 2024

Last action
Nov 8, 2024
FCC actions (2)
- Nov 8, 2024 — Vanity call sign granted VANGRT
- Nov 8, 2024 — License issued LIISS
AC1G Canceled Amateur Extra · vanity Jul 7, 2020 → Nov 8, 2024 (canceled)

Licensee
Christopher M Onassis

Address
21124 American Yellowwood Pl
Porter, TX 77365
30.1145, -95.2491 (street) · Grid EM20jc · CQ 4 · ITU 7 · map ↗

FRN
0020139234

Previous call
K7BRJ (General)

Last granted
Jul 7, 2020

Effective
Jul 7, 2020

Last action
Nov 8, 2024
FCC actions (3)
- Nov 8, 2024 — License canceled LICAN
- Jul 7, 2020 — Vanity call sign granted VANGRT
- Jul 7, 2020 — License issued LIISS
📦 Moved: Humble, TX → Porter, TX

K7BRJ Canceled Amateur Extra · vanity Sep 17, 2010 → Jul 7, 2020 (canceled)

Licensee
Christopher M Onassis

Address
21124 American Yellowwood Pl
Porter, TX 77365
30.1145, -95.2491 (street) · Grid EM20jc · CQ 4 · ITU 7 · map ↗

FRN
0020139234

Previous call
KF5III (General)

Last granted
Sep 17, 2010

Effective
Jun 18, 2020

Last action
Jul 7, 2020
FCC actions (7)
- Jul 7, 2020 — License canceled LICAN
- Jun 18, 2020 — License modified LIMOD
- Jun 5, 2018 — License modified LIMOD
- Nov 9, 2017 — FCC action LIAUA
- Sep 28, 2010 — FCC action LIAUA
- Sep 17, 2010 — Vanity call sign granted VANGRT
- Sep 17, 2010 — License issued LIISS
KF5III Canceled Technician Aug 27, 2010 → Sep 17, 2010 (canceled)

Licensee
Christopher M Onassis

Address
8440 N Sam Houston Pkwy Apt 626
Humble, TX 77396
29.9434, -95.2625 (ZIP center) · Grid EL29iw · CQ 4 · ITU 7 · map ↗

FRN
0020139234

Last granted
Aug 27, 2010

Effective
Aug 27, 2010

Last action
Sep 17, 2010
FCC actions (3)
- Sep 17, 2010 — License canceled LICAN
- Aug 27, 2010 — License issued LIISS
- Aug 27, 2010 — 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 Jan 2, 2018 → Sep 27, 2026 · 37 snapshots · as K7BRJ
Christopher M Onassis
21124 American Yellowwood Pl, Porter, TX 77365
30.1145, -95.2491 (street) · Grid EM20jc · CQ 4 · ITU 7 · map ↗
Seen Oct 17, 2011 → Sep 27, 2026 · 45 snapshots · as KF5III
Christopher M Onassis
8440 N Sam Houston Pkwy Apt 626, Humble, TX 77396
29.9434, -95.2625 (ZIP center) · Grid EL29iw · CQ 4 · ITU 7 · map ↗
Seen Oct 17, 2011 → Nov 11, 2017 · 28 snapshots · as K7BRJ
Christopher M Onassis
9702 N Sam Houston Pkwy Apt 731, Humble, TX 77396
29.9434, -95.2625 (ZIP center) · Grid EL29iw · CQ 4 · ITU 7 · map ↗

Previous holder: John A Christiansen

Held AC1G Mar 17, 2008 → May 1, 2018 · first licensed Mar 17, 2008 as AC1G · 1 license · FRN 0004858627

AC1G Expired Amateur Extra Mar 17, 2008 → May 1, 2018 (expired)

Licensee
John A Christiansen

Address
52 Birdhwood Ave
Yarmouth, ME 04096
43.7881, -70.1565 (ZIP center) · Grid FN43ws · CQ 5 · ITU 8 · map ↗

FRN
0004858627

Last granted
Mar 17, 2008

Effective
Mar 17, 2008

Last action
May 2, 2020
FCC actions (2)
- May 2, 2020 — License expired LIEXP
- Mar 17, 2008 — License renewed LIREN

Address history

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

Seen Nov 7, 2004 → Sep 27, 2026 · 47 snapshots · as AC1G
JOHN A CHRISTIANSEN
52 BIRDHWOOD AVE, YARMOUTH, ME 04096
43.7881, -70.1565 (ZIP center) · Grid FN43ws · CQ 5 · ITU 8 · map ↗

Others requesting AC1G

10 applications listed AC1G as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Feb 27, 2026	Mar 17, 2026	KA1BCG · BRYON C GUNNERSON · SEQUIM, WA	2	Dismissed
Aug 19, 2025	Sep 6, 2025	AJ7GL · Anthony C Coputo · Springfield, OR	3	Granted
Jul 6, 2020	Jul 24, 2020	KC1LVS · Gregory P Helms · Ogunquit, ME	2	Dismissed
Jun 30, 2020	Jul 18, 2020	KO4DUS · Daniel Orban · Orlando, FL	11	Granted
Jun 18, 2020	Jul 6, 2020	K7BRJ · Christopher M Onassis · Porter, TX	1	Granted
Jun 18, 2020	Jul 6, 2020	KE7CWW · JON R AOKI · SALT LAKE CTY, UT	2	Granted
Jun 16, 2020	Jul 4, 2020	KN6HRS · Hirokuni Yoshizawa · Gardena, CA	7	Granted
May 21, 2020	Jun 8, 2020	KB1HGH · Timothy J Davies · PALMER, MA	3	Granted
May 11, 2020	May 29, 2020	KO4APB · Andrew M Berlin · Charleston, SC	22	Dismissed
May 4, 2020	May 22, 2020	KB1UFT · James N Forrestall · Raymond, NH	2	Granted