N9TPB FCC License Search
🕒 FCC license data updated yesterday 7:15 am CDT (FCC files through Oct 4, 2026) · next update today 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

GREGORY A CHRISTOPHERSEN

FRN 0004811287 · first licensed Feb 28, 2001 as N8OSR · 1 license on record

📝 FCC applications (1)

ReceivedFile numberServicePurposeStatusCall
Feb 28, 20010000383385 HAMRenewalGranted N8OSR

Complete licensing history

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

Repeaters within 50 miles

27 repeaters within 50 miles of this ZIP code, 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 · center is the ZIP code (approximate) · 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
13.4 KS8O Wallace
KS8O
 444.6500 +5 DCS 125 FM (analog) — Wallace, MI
18.8 KC9WOG Amberg
KC9WOG WIN
 443.7000 +5 none D-STAR WIN — Amberg, WI
18.8 WI9WIN Amberg Badger
WI9WIN
 443.7000 +5 TSQL 114.8 FM (analog) — Amberg, WI
19.2 WA8WG Wausaukee
WA8WG
 146.8800 -0.6 TSQL 136.5 FM (analog) — Wausaukee, WI
23.0 W4IJR Porterfield
W4IJR
 444.4000 +5 TSQL 100.0 FM (analog) — Porterfield, WI
23.0 W8PIF Marinette JS
W8PIF EchoLink
 147.0000 +0.6 TSQL 107.2 FM (analog) EchoLink 481872 🗓 1 net 1 net Marinette, WI
26.2 W9MB Niagara
W9MB
 223.8200 -1.6 TSQL 114.8 FM (analog) — Niagara, WI
28.5 K9STT Menominee
K9STT
 224.6000 -1.6 TSQL 141.3 FM (analog) — Menominee, MI
28.5 W8PIF Menominee
W8PIF WIRES-X
 444.0750 +5 TSQL 107.2 FM (analog) (FM,C4FM) WIRES-X 52285 🗓 1 net 1 net Menominee, MI
29.4 N8JWT Escanaba
N8JWT
 147.2400 +0.6 TSQL 123.0 FM (analog) — Escanaba, MI
31.0 KC8VC Kingsford Iron
KC8VC
 146.8500 -0.6 TSQL 110.9 FM (analog) (FM,C4FM) — Kingsford, MI
31.0 KC8VC Iron Mountain
KC8VC
 444.8500 +5 TONE 100.0 FM (analog) — Iron Mountain, MI
31.1 KB9BQX Escanaba
KB9BQX
 145.1300 -0.6 none FM (analog) — Escanaba, MI
31.3 W9DOR Ellison Bay
W9DOR
 147.1800 +0.6 TSQL 100.0 FM (analog) — Ellison Bay, WI
31.5 AB9PJ Marinette WHYB
AB9PJ
 444.5000 +5 TSQL 146.2 FM (analog) — Marinette, WI
32.2 W9AIQ Sister Bay PBC
W9AIQ
 147.1800 +0.6 TSQL 100.0 FM (analog) — Sister Bay, WI
36.3 K9HAH Egg Harbor
K9HAH EchoLink
 146.7300 -0.6 TONE 107.2 FM (analog) EchoLink 910826 — Egg Harbor, WI
36.4 WI9WIN Pound Badger
WI9WIN WIN
 442.0000 +5 TSQL 114.8 FM (analog) WIN — Pound, WI
36.4 W9AIQ Egg Harbor
W9AIQ
 146.7300 -0.6 TSQL 107.2 FM (analog) — Egg Harbor, WI
36.6 WI9DX Wash Greengatge
WI9DX AllStar
 145.4900 -0.6 TSQL 100.0 FM (analog) AllStar 291120 — Washington Island, WI
37.1 WI9DX Washington Isl
WI9DX BM
 442.2250 +5 CC6 DMR BrandMeister 322002501 — Washington Isl, WI
37.2 WI9DX Washington Islan
WI9DX AllStar
 440.3000 +5 TSQL 123.0 FM (analog) AllStar 291121 — Washington Island, WI
38.6 KB9BNA Washington Islan
KB9BNA AllStar
 440.3000 +5 TONE 123.0 FM (analog) AllStar 291121 — Washington Island, WI
40.8 W9DOR Egg Harbor DC EM
W9DOR
 146.7300 -0.6 TSQL 107.2 FM (analog) — Egg Harbor, WI
42.8 K8PL Escanaba
K8PL
 147.1500 +0.6 TONE 100.0 FM (analog) (FM,C4FM) — Escanaba, MI
44.1 W9DOR Sturgeon Bay WDO
W9DOR AllStar
 147.2100 +0.6 TSQL 107.2 FM (analog) AllStar 53693 EchoLink 660181 — Sturgeon Bay, WI
29.1 N7SWX offline Iron M Millie Hl
N7SWX WIRES-X
 147.2850 +0.6 TSQL 100.0 FM (analog) (FM,C4FM) WIRES-X 33879 — Iron Mountain, MI