N9TPB FCC License Search
🕒 FCC license data updated today 8:33 am CDT · next update today 9:45 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)

AC0B HAM

Amateur Extra class licensed since 1987 (39 yrs) AC0B since 2001 · previously WB0SXH Saginaw, MN Grid EN36uu LoTW user eQSL AG 67 repeaters within 50 mi
🔒 Not available — currently licensed, through Aug 10, 2031. If it isn't renewed, it opens for vanity requests Aug 11, 2033.

📬 QSL: LoTW user · last upload Sep 8, 2026 · eQSL AG member · QRZ · HamQTH

📝 AC0B has filed vanity applications before — latest filed Jul 23, 2001 · what was requested

Currently held by A CLIFFORD BIRD · 2 holders on record

Current holder: A CLIFFORD BIRD

Held AC0B Aug 10, 2001 → present · first licensed Apr 28, 1987 as WB0SXH · 2 licenses · FRN 0002362093
📖 In the printed callbooks since 1978 as WB0SXH, before the FCC's online records

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

Previous holder: LAWRENCE R BENKO

Held AC0B Dec 8, 1987 → Jul 22, 1999 · first licensed Dec 8, 1987 as AC0B · 2 licenses · FRN 0018931048
📖 In the printed callbooks since 1980 as AC0B, before the FCC's online records

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.
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
AC0B 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.

Vanity Applications Filed by AC0B

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 · AwardApplicantRequested (in order)Status
Filed Jul 23, 2001
Granted Jun 4, 2021
0000532185
 WB0SXH · A CLIFFORD BIRD · Amateur Extra
140 W AUSTIN ST, DULUTH, MN 55803
47.0349, -92.0722 (ZIP center) · Grid EN37xa · CQ 4 · ITU 7 · map ↗
1.AC0B ✓ Granted
 Granted
got AC0B

Others Requesting AC0B

1 application listed AC0B as a choice, newest first.

FiledAwardApplicantChoice #AC0BResult
Jul 23, 2001 Aug 10, 2001 WB0SXH · A CLIFFORD BIRD · DULUTH, MN 1Granted Granted this call

📡 On the Air: APRS, Digital & WSPR Spots

No APRS positions, PSK Reporter reports or WSPR spots for AC0B in the last 24 hours. They show up here within seconds of AC0B beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.

Repeaters within 50 Miles

67 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)
MilesCallNameOutputOffsetToneModeNetworksActivityLocation
2.6 KC0RTX Duluth
KC0RTX
 145.4500 -0.6 TSQL 103.5 FM (analog) — Duluth, MN
4.9 KA0TMW Duluth
KA0TMW
 147.1800 +0.6 TONE 103.5 FM (analog) — Duluth, MN
7.8 N0BZZ Duluth
N0BZZ
 223.9400 +1.6 none FM (analog) — Duluth, MN
8.3 N0BZZ Proctor
N0BZZ
 147.3300 +0.6 TONE 151.4 FM (analog) — Proctor, MN
9.9 KB0YHX Cloquet CM Hosp
KB0YHX
 145.2500 -0.6 none FM (analog) (C4FM,FM) — Cloquet, MN
10.0 KB0YHX Offline Cloquet
KB0YHX
 443.1000 +5 TONE 103.5 FM (analog) (C4FM,FM) — Cloquet, MN
10.4 K0OE Duluth
K0OE BM
 902.1000 in 947.1000 CC1 DMR BrandMeister 311355 — Duluth, MN
10.4 AA0AW Duluth
AA0AW WIRES-X
 444.9000 +5 DG-ID 00-00 Fusion (C4FM) WIRES-X 52540 — Duluth, MN
10.4 W0GKP Duluth
W0GKP
 444.1000 +5 TONE 103.5 FM (analog) — Duluth, MN
10.4 WA0GWI Cloquet
WA0GWI
 146.6700 -0.6 none FM (analog) — Cloquet, MN
10.4 W0GKP Duluth
W0GKP
 146.9400 -0.6 TSQL 103.5 FM (analog) — Duluth, MN
10.5 N0RPW Cloquet
N0RPW
 146.6700 -0.6 none FM (analog) — Cloquet, MN
10.6 N0BZZ Duluth
N0BZZ
 442.8000 +5 none FM (analog) — Duluth, MN
10.9 N0EO Duluth
N0EO AllStar
 145.3100 -0.6 TONE 110.9 FM (analog) AllStar 47024 AllStar 47016 — Duluth, MN
10.9 N0EO Duluth
N0EO WIRES-X
 444.3000 +5 TONE 103.5 FM (analog) WIRES-X 30494 — Duluth, MN
10.9 N0EO Duluth
N0EO
 147.3750 +0.6 TSQL 103.5 FM (analog) (DV,FM) — Duluth, MN
10.9 N0EO Duluth
N0EO
 442.2000 +5 none D-STAR — Duluth, MN
11.0 K0OE Duluth
K0OE BM
 444.8000 +5 CC1 DMR BrandMeister 311164 — Duluth, MN
11.3 KB0QYC Offline Duluth
KB0QYC
 442.8000 +5 none FM (analog) — Duluth, MN
11.5 KC0HXC Duluth
KC0HXC
 145.4100 -0.6 TONE 100.0 FM (analog) — Duluth, MN
11.5 KC0RTX Duluth
KC0RTX
 444.2000 +5 TONE 103.5 FM (analog) — Duluth, MN
11.6 N0BZZ Duluth
N0BZZ
 53.0500 -1 none FM (analog) — Duluth, MN
12.8 AA0AC Cloquet
AA0AC AllStar
 444.8500 +5 TSQL 141.3 FM (analog) AllStar 56153 — Cloquet, MN
13.4 WA9KLM Superior Northwe
WA9KLM WIRES-X
 145.1700 -0.6 TSQL 110.9 FM (analog) (C4FM,FM) WIRES-X 18373 — Superior, WI
14.0 KB0QYC Duluth
KB0QYC
 927.6000 -25 TONE 114.8 FM (analog) — Duluth, MN
14.0 KC0IPA Duluth
KC0IPA
 147.0600 +0.6 TONE 110.9 FM (analog) — Duluth, MN
14.0 KB0QYC Duluth
KB0QYC
 927.4875 -25 TONE 103.5 FM (analog) — Duluth, MN
21.4 KC0RTX Carlton
KC0RTX
 146.7900 -0.6 TSQL 103.5 FM (analog) — Carlton, MN
23.9 AB9AC Offline Foxboro
AB9AC BM
 444.9000 +5 CC4 DMR BrandMeister 312762 — Foxboro, WI
24.3 N0BZZ Mahtowa
N0BZZ
 53.1700 -1 TSQL 103.5 FM (analog) — Mahtowa, MN
24.3 W0GKP Mahtowa
W0GKP
 147.0000 -0.6 TSQL 103.5 FM (analog) — Mahtowa, MN
25.2 N0VOW Holyoke
N0VOW
 146.8950 -0.6 TSQL 82.5 FM (analog) — Holyoke, MN
27.0 KC0RTX Knife River
KC0RTX
 147.1350 +0.6 TSQL 103.5 FM (analog) — Knife River, MN
27.4 NA0RC Knife River
NA0RC AllStar
 147.1350 +0.6 TSQL 103.5 FM (analog) AllStar 42251 — Knife River, MN
27.4 NA0RC Offline Knife River
NA0RC
 444.2000 +5 TSQL 103.5 FM (analog) — Knife River, MN
29.6 KB0QYC Virginia
KB0QYC
 53.1500 -0.5 TONE 103.5 FM (analog) — Virginia, MN
31.0 N0VOW Two Harbors
N0VOW
 146.8500 -0.6 TSQL 151.4 FM (analog) — Two Harbors, MN
31.9 KC9AEG Chaffey QTH of
KC9AEG
 444.9500 +5 TSQL 110.9 FM (analog) — Chaffey, WI
31.9 KC9EMI Chaffey QTH of
KC9EMI
 147.1050 +0.6 TSQL 110.9 FM (analog) — Chaffey, WI
32.6 N0LCR Two Harbors
N0LCR WIRES-X
 444.5000 +5 TSQL 103.5 FM (analog) WIRES-X 53060 — Two Harbors, MN
32.6 N0LCR Two Harbors
N0LCR
 53.0200 -1 TSQL 103.5 FM (analog) — Two Harbors, MN
32.8 KB0TNB Two Harbors
KB0TNB
 53.0200 -0.5 TONE 103.5 FM (analog) — Two Harbors, MN
34.8 NA0RC Knife River
NA0RC WIRES-X
 444.4000 +5 TSQL 103.5 FM (analog) WIRES-X 11388 — Knife River, MN
35.5 WA9KLM Solon Springs
WA9KLM
 145.4900 -0.6 TSQL 110.9 FM (analog) — Solon Springs, WI
35.9 N0EO Duluth
N0EO AllStar
 145.4900 -0.6 TONE 110.9 FM (analog) AllStar 470240 — Duluth MN, WI
39.0 WB0DGK Two Harbors
WB0DGK
 147.2700 +0.6 TONE 103.5 FM (analog) — Two Harbors, MN
39.1 N0BZZ Wales
N0BZZ
 147.2700 +0.6 TSQL 103.5 FM (analog) — Wales, MN
39.5 N0BZZ Tamarack
N0BZZ
 443.2000 +5 TSQL 114.8 FM (analog) — Tamarack, MN
41.6 AA9JL Solon Springs
AA9JL
 145.4900 -0.6 TSQL 110.9 FM (analog) — Solon Springs, WI
42.8 KE0UAV Silica Beauty
KE0UAV
 443.5500 +5 TONE 192.8 FM (analog) (DV,FM) — Silica, MN
44.3 KB0WAZ McGregor
KB0WAZ BM
 439.5500 in 433.5500 CC1 DMR BrandMeister 3226114 — McGregor, MN
45.0 NT0B Gilbert Wtr
NT0B
 147.1500 +0.6 TONE 151.4 FM (analog) (C4FM,FM,P25) — Gilbert, MN
45.0 KB0QYC Gilbert
KB0QYC
 443.5000 +5 TONE 141.3 FM (analog) — Gilbert, MN
45.2 K5PFF Gilbert
K5PFF
 443.5000 +5 TSQL 141.3 FM (analog) — Gilbert, MN
45.5 W0OJR Virginia
W0OJR
 443.7000 +5 TSQL 151.4 FM (analog) — Virginia, MN
45.5 KB0CIM Offline Virgina
KB0CIM
 145.1900 -0.6 TSQL 127.3 FM (analog) — Virgina, MN
45.5 KB0CIM Offline Virgina
KB0CIM
 53.1900 -1 TSQL 146.2 FM (analog) — Virgina, MN
46.1 K0SLC Offline Virginia
K0SLC
 146.6850 -0.6 TSQL 151.4 FM (analog) — Virginia, MN
46.1 K0SLC Offline Virgina
K0SLC
 147.3150 +0.6 TSQL 151.4 FM (analog) — Virgina, MN
47.6 N0BZZ Aurora
N0BZZ
 147.2400 +0.6 TONE 156.7 FM (analog) — Aurora, MN
48.0 K5PFF Virginia
K5PFF
 147.0600 +0.6 TONE 103.5 FM (analog) — Virginia, MN
48.0 AD0MI Askov
AD0MI
 443.4000 +5 DCS 172 FM (analog) (FM,P25) — Askov, MN
48.1 AE1MX Biwabik
AE1MX BM
 449.7250 -5 CC1 DMR BrandMeister 313476 — Biwabik, MN
48.2 W0ELE Hibbing
W0ELE WIRES-X
 147.1200 +0.6 DG-ID 00-00 Fusion (C4FM) WIRES-X 11540 — Hibbing, MN
49.4 no call listed Hibbing
Minnesota
 146.5500 +0.6 none FM (analog) — Hibbing, MN
49.4 N0AGX Hibbing Wtr
N0AGX
 147.1200 +0.6 TSQL 151.4 FM (analog) (C4FM,FM) — Hibbing, MN
49.6 KD9EJA Askov
KD9EJA AllStar
 146.9550 -0.6 TSQL 146.2 FM (analog) (FM,P25) AllStar 56693 — Askov, MN