N9TPB FCC License Search

🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 26, 2026) · next update tomorrow 6:00 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 · old CB calls like KHC1939 or 18Q3518 (1962–63 CB call books) · (205) 546-1767 (1990s CB directory phones)

AA9CT HAM 📻 GMRS

📻

Also a GMRS licensee

WQCE878

Active until Feb 16, 2030 · same FCC Registration Number (FRN) · GMRS covers the licensee's immediate family

Amateur Extra class licensed since 1998 (28 yrs) AA9CT since 2015 · previously KB9SPB Quincy, IL Grid EM49hv GMRS WQCE878 26 repeaters within 50 mi

🔒 Not available — currently licensed, through Nov 7, 2035. If it isn't renewed, it opens for vanity requests Nov 8, 2037.

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

📝 AA9CT has filed vanity applications before — latest filed Oct 20, 2015 · what was requested

Currently held by CHRISTOPHER C TROWBRIDGE · 2 holders on record

Current holder: CHRISTOPHER C TROWBRIDGE

Held AA9CT Nov 7, 2015 → present · first licensed Apr 18, 1998 as KB9SPB · 2 licenses · FRN 0012771309

AA9CT Active Amateur Extra · vanity Nov 7, 2015 → expires Nov 7, 2035

Licensee
CHRISTOPHER C TROWBRIDGE

Address
Attn: Christopher C Trowbridge
4515 Harrison St
Quincy, IL 62305
39.9119, -91.3443 (street) · Grid EM49hv · CQ 4 · ITU 7 · map ↗

FRN
0012771309

Previous call
KB9SPB (General)

Last granted
Aug 13, 2025

Effective
Aug 13, 2025

Last action
Aug 13, 2025
FCC actions (4)
- Aug 13, 2025 — License renewed LIREN
- Aug 8, 2025 — Administrative update LIAUA
- Nov 7, 2015 — Vanity call sign granted VANGRT
- Nov 7, 2015 — License issued LIISS
KB9SPB Canceled Amateur Extra Apr 18, 1998 → Nov 7, 2015 (canceled)

Licensee
CHRISTOPHER C TROWBRIDGE

Address
4515 Harrison St
Quincy, IL 62305
39.9119, -91.3443 (street) · Grid EM49hv · CQ 4 · ITU 7 · map ↗

FRN
0012771309

Last granted
Feb 13, 2008

Effective
May 19, 2015

Last action
Nov 7, 2015
FCC actions (6)
- Nov 7, 2015 — License canceled LICAN
- May 19, 2015 — License modified LIMOD
- Apr 15, 2015 — License modified LIMOD
- Feb 13, 2008 — License renewed LIREN
- Feb 16, 2005 — FCC action LTSFRN
- Feb 15, 2005 — Administrative update LIAUA

Callbook Records, 1993–2003

From the FCC amateur database as published on the QRZ! callsign CD-ROMs, 1993–2003, before and alongside the FCC's online records (which start in 1999). "Seen" dates are the first and last disc showing that record; the issue date is the FCC's, so it can be a renewal of an even older license.

Seen Nov 11, 1998 → Apr 17, 2003 · 10 discs
KB9SPB · Technician · issued Apr 18, 1998, expires Apr 18, 2008
CHRISTOPHER C. TROWBRIDGE
1215 HAMPSHIRE, QUINCY, IL 62301

Address history

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

Seen May 19, 2015 → Oct 25, 2026 · 72 snapshots · as KB9SPB
CHRISTOPHER C TROWBRIDGE
4515 Harrison St, Quincy, IL 62305
39.9119, -91.3443 (street) · Grid EM49hv · CQ 4 · ITU 7 · map ↗
Seen May 27, 2010 → Mar 28, 2015 · 12 snapshots · as KB9SPB
CHRISTOPHER C TROWBRIDGE
2635 Midlan, QUINCY, IL 62301
39.9312, -91.3887 (ZIP center) · Grid EM49hw · CQ 4 · ITU 7 · map ↗
Seen Nov 7, 2004 · 1 snapshot · as KB9SPB
CHRISTOPHER C TROWBRIDGE
1215 HAMPSHIRE, QUINCY, IL 62301
39.9312, -91.3887 (ZIP center) · Grid EM49hw · CQ 4 · ITU 7 · map ↗

Previous holder:

Held AA9CT → Apr 28, 1998 · first licensed as AA9CT · 1 license · no FRN on file (pre-2001 records)

AA9CT Canceled Club / other → Apr 28, 1998 (canceled)

Licensee

Address

Last granted

Effective

Last action

Address history

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

Seen Nov 7, 2004 → Oct 25, 2026 · 51 snapshots · as AA9CT

Earlier Holders

AA9CT in the 1993–2003 Callbooks

Seen Sep 9, 1993 → Mar 9, 1998 · 9 discs
AA9CT · Amateur Extra · issued Jan 21, 1992, expires Jan 21, 2002 · previously KC9FX (Advanced)
GUS NAVARRETE
421 N PATTON ST, ARLINGTON HEIGHTS, IL 60005

AA9CT in the Printed Callbooks, 1909–1997

From scanned copies of the printed callbooks (government lists from 1913, then the Radio Amateur Callbook to 1997), read by OCR, so names and streets can carry typos. Each line is one or more editions in a row showing the same name at the same address.

1993 → 1996 · 4 editions
AA9CT · class E
Gus Navarrete
421 N Patton St, Arlington Heights, IL 00005
1993 p.1497, 1994 p.1589, 1995 p.1729, 1996 p.1785

Vanity Applications Filed by AA9CT

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 Oct 20, 2015 Granted Aug 13, 2025 0006992789	KB9SPB · CHRISTOPHER C TROWBRIDGE · Amateur Extra 4515 Harrison St, Quincy, IL 62305 39.9119, -91.3443 (street) · Grid EM49hv · CQ 4 · ITU 7 · map ↗	1.AA9CT ✓ Granted	Granted got AA9CT

Others Requesting AA9CT

1 application listed AA9CT as a choice, newest first.

Filed	Award	Applicant	Choice #	AA9CT	Result
Oct 20, 2015	Nov 7, 2015	KB9SPB · CHRISTOPHER C TROWBRIDGE · Quincy, IL	1	Granted	Granted this call

📡 On the Air: APRS, Digital & WSPR Spots

No APRS positions, PSK Reporter reports or WSPR spots for AA9CT in the last 24 hours. They show up here within seconds of AA9CT beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.

📻 GMRS Repeaters within 50 Miles

3 on the air or of unknown status, closest first · map these & export for a GMRS radio →

Miles	Channel	Output	Tone in	Owner	Location	Access	Status
34	RP16	462.575	146.2	WRQT875	Keokuk, IA	Closed	On the air
36	RP19	462.650	141.3	WRXZ467	Carthage, IL	Open	On the air
44	RP22	462.725	141.3	WRWL792	Nauvoo, IL	Open	On the air

Repeaters within 50 Miles

26 repeaters within 50 miles of this address, closest first · sort: closest · most active · map these & export for a radio →

● confirmed on the air · ● probably · ● reported off the air · ● unknown · ◉ this license · ring = 50 miles · click a dot for the repeater's page

● confirmed on the air · ● probably · ● reported off the air · no dot = unknown (hover a dot for the evidence)

Miles	Call	Name	Output	Offset	Tone	Mode	Networks	Activity	Location
2.4	N0EMR	Quincy N0EMR N0EMR	442.6250	+5	CC1	DMR	N0EMR	—	Quincy, IL
2.4	W9AWE	Quincy W9AWE	441.8938	+5	none	D-STAR		—	Quincy, IL
3.8	W9AWE	Quincy W9AWE	146.9400	-0.6	TSQL 123.0	FM (analog)		—	Quincy, IL
3.8	W9AWE	Quincy W9AWE	147.0300	+0.6	TSQL 103.5	FM (analog) (FM,C4FM)		—	Quincy, IL
3.8	W9AWE	Quincy W9AWE	443.9000	+5	TSQL 103.5	FM (analog) (FM,C4FM)		—	Quincy, IL
4.3	W9AWE	Quincy W9AWE	147.1950	+0.6	TSQL 103.5	D-STAR (C4FM,DV)		—	Quincy, IL
13.5	W0KEM	Hannibal W0KEM	146.6250	-0.6	TSQL 103.5	FM (analog)		—	Hannibal, MO
14.1	W0KEM	Hannibal W0KEM	146.8800	-0.6	TONE 103.5	FM (analog)		—	Hannibal, MO
20.6	KB0YKI	Ewing KB0YKI	444.8750	+5	TSQL 100.0	FM (analog)		—	Ewing, MO
27.3	KA0EJQ	Monroe City KA0EJQ	444.2000	+5	TONE 141.3	FM (analog)	🗓 2 nets	2 nets · 18 check-ins · 13 stations	Monroe City, MO
27.5	KA0EJQ	Monroe City KA0EJQ	146.7000	-0.6	TONE 127.3	FM (analog)	🗓 2 nets	2 nets · 18 check-ins · 13 stations	Monroe City, MO
35.5	W9TRA	Pittsfield Polic W9TRA	145.4300	-0.6	TONE 103.5	FM (analog)		—	Pittsfield, IL
36.3	WA2WGY	Carthage WA2WGY AllStar	146.1200	-0.6	TONE 100.0	FM (analog)	AllStar 450171	—	Carthage, IL
36.5	KC9LMF	Carthage KC9LMF EchoLink	147.1050	+0.6	TSQL 103.5	FM (analog) (C4FM,DMR,FM)	EchoLink 137601 🗓 1 net	1 net · 40 check-ins · 22 stations	Carthage, IL
37.6	KE0PVT	Keokuk KE0PVT	442.5000	+5	TONE 146.2	FM (analog)		—	Keokuk, IA
38.4	KE9BZG	Elvaston KE9BZG AllStar	145.2100	-0.6	TSQL 97.4	FM (analog) (C4FM,FM)	AllStar 1 IRLP 1	—	Elvaston, IL
42.2	AA0RC	Vandalia AA0RC AllStar	444.1250	+5	TSQL 127.3	FM (analog) (DMR,FM)	AllStar 48010 BrandMeister 313198	—	Vandalia, MO
45.9	N0SYL	Paris N0SYL	146.8350	-0.6	TONE 127.3	FM (analog)		—	Paris, MO
47.7	KA0EJQ	Eolia KA0EJQ	145.1900	-0.6	none	FM (analog)	🗓 2 nets	2 nets · 18 check-ins · 13 stations	Eolia, MO
48.9	WF0RT	Fort Madison WF0RT	146.8650	-0.6	TSQL 100.0	FM (analog) (FM,C4FM)		—	Fort Madison, IA
49.0	KC9JIC	Dallas City KC9JIC	145.3300	-0.6	TSQL 82.5	FM (analog) (FM,C4FM)		—	Dallas City, IL
49.1	W3JAB	Nauvoo W3JAB	147.2400	+0.6	TSQL 186.2	FM (analog) (FM,P25)		—	Nauvoo, IL
49.3	W9ACU	Beardstown W9ACU	146.7150	-0.6	TSQL 123.0	FM (analog) (FM,C4FM)		—	Beardstown, IL
49.3	W9ACU	Beardstown W9ACU	443.9500	+5	TSQL 103.5	FM (analog)		—	Beardstown, IL
42.2	AA0RC Offline	Vandalia AA0RC	442.1250	+5	TSQL 127.3	FM (analog)		—	Vandalia, MO
49.0	KC9JIC Offline	Dallas City KC9JIC	145.2500	-0.6	TSQL 151.4	FM (analog)		—	Dallas City, IL