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
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
-
- Licensee
- CHRISTOPHER C TROWBRIDGE
- Address
- Attn: Christopher C Trowbridge
4515 Harrison St
Quincy, IL 62305
- 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
-
- Licensee
- CHRISTOPHER C TROWBRIDGE
- Address
- 4515 Harrison St
Quincy, IL 62305
- 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 - Seen May 27, 2010 → Mar 28, 2015 · 12 snapshots · as KB9SPB
CHRISTOPHER C TROWBRIDGE
2635 Midlan, QUINCY, IL 62301 - Seen Nov 7, 2004 · 1 snapshot · as KB9SPB
CHRISTOPHER C TROWBRIDGE
1215 HAMPSHIRE, QUINCY, IL 62301
Previous holder:
Held AA9CT → Apr 28, 1998 · first licensed as AA9CT · 1 license · no FRN on file (pre-2001 records)
-
- 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
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.
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
|
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, most active 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 |
|---|---|---|---|---|---|---|---|---|---|
| 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 |
| 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 |
| 47.7 | KA0EJQ | Eolia KA0EJQ |
145.1900 | -0.6 | none | FM (analog) | 🗓 2 nets | 2 nets · 18 check-ins · 13 stations | Eolia, MO |
| 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 | |
| 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 |
| 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 Offline | Vandalia AA0RC |
442.1250 | +5 | TSQL 127.3 | FM (analog) | — | Vandalia, MO | |
| 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 | |
| 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 | |
| 49.0 | KC9JIC Offline | Dallas City KC9JIC |
145.2500 | -0.6 | TSQL 151.4 | FM (analog) | — | 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 |