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

N4SO HAM

🔒 Not available — currently licensed, through Oct 19, 2033. If it isn't renewed, it opens for vanity requests Oct 20, 2035.

📬 QSL: LoTW user, last upload Mar 20, 2026 · not eQSL AG

Currently held by CHARLES K BROWN · 1 holder on record

Current holder: CHARLES K BROWN

Held N4SO Aug 19, 2003 → present · first licensed Aug 19, 2003 as N4SO · 1 license · FRN 0003132842

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

Others requesting N4SO

2 applications listed N4SO as a choice, newest first.

FiledAwardApplicantChoice #Status
Dec 29, 2017 Jan 16, 2018 N5LAP · STEVEN W O'Donnell · BRADENTON, FL 6Dismissed
Mar 1, 2017 Mar 19, 2017 KM4ISO · Dennis L Chick · Lady Lake, FL 1Dismissed

📡 On the air: APRS, digital & WSPR spots

📤 Heard by others PSK Reporter

Heard by 276 stations (281 reports) · last 3 hr ago · FT8 · grid EM50tk75
17m · 276
Farthest: VK5ARG, 9,701 miles on 17m FT8 (-13 dB)
PSK Reporter map →

📥 Hearing others PSK Reporter

Heard 40 stations (40 reports) · last 4 hr ago · FT8 · grid EM50tk75
17m · 40
Farthest: JR3REX, 7,127 miles on 17m FT8 (-18 dB)
PSK Reporter map →

Repeaters within 50 miles

68 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)
MilesCallNameOutputOffsetToneModeNetworksActivityLocation
11.8 N4WLO Theodore
N4WLO AllStar
 147.2000 +0.6 TONE 88.5 FM (analog) AllStar 666205 AllStar 666200 — Theodore, AL
11.8 N4WLO Theodore
N4WLO AllStar
 145.1900 simplex TONE 123.0 FM (analog) AllStar 66194 AllStar 666204 — Theodore, AL
11.8 N4WLO Theodore
N4WLO AllStar
 430.0000 simplex TONE 123.0 FM (analog) AllStar 66620 — Theodore, AL
11.8 N4WLO Theodore
N4WLO AllStar
 444.1000 +5 TONE 88.5 FM (analog) AllStar 666200 AllStar 661940 AllStar 661946 — Theodore, AL
11.8 N4WLO Theodore
N4WLO AllStar
 443.0000 +5 TONE 88.5 FM (analog) AllStar 666209 — Theodore, AL
11.9 N4FIV Mobile
N4FIV
 444.8375 +5 CC1 DMR — Mobile, AL
11.9 N4FIV Mobile Burns
N4FIV
 444.7375 +5 CC1 DMR — Mobile, AL
12.1 WY5Y Theodore
WY5Y BM
 443.5000 +5 CC1 DMR BrandMeister 311177 — Theodore, AL
12.1 N4TAE Theodore
N4TAE AmComm
 145.1300 -0.6 CC7 DMR AmComm — Theodore, AL
13.1 N4FIV Mobile
N4FIV
 147.1500 +0.6 CC1 DMR — Mobile, AL
13.1 N4RGJ Mobile
N4RGJ
 146.9850 -0.6 TONE 123.0 FM (analog) — Mobile, AL
13.9 no call listed
Listed as ALRC
 Mobile-AL
Florida
 443.4000 in 448.3000 none FM (analog) — Mobile-AL, FL
15.8 WA4JOP Mobile
WA4JOP WIRES-X
 146.6400 -0.6 TONE 100.0 FM (analog) (FM,C4FM) WIRES-X 83192 — Mobile, AL
18.3 N1RHN Mobile
N1RHN CT-ARES
 444.3500 +0.6 CC2 DMR CT-ARES — Mobile, CT
18.9 KR4LPI Mobile
KR4LPI BM
 431.9500 in 431.1500 CC1 DMR BrandMeister 322405701 BrandMeister 322405703 — Mobile, AL
19.1 N4FIV Daup Golf Course
N4FIV
 145.2800 -0.6 TSQL 123.0 FM (analog) — Dauphin Island, AL
19.1 W4IAX Mobile Providenc
W4IAX
 147.3000 +0.6 TONE 203.5 FM (analog) — Mobile, AL
19.2 W4IAX Mobile Providenc
W4IAX
 53.0300 -1 TONE 203.5 FM (analog) — Mobile, AL
20.4 K4DSR Mobile
K4DSR
 146.7450 -0.6 TSQL 123.0 FM (analog) — Mobile, AL
21.1 no call listed
Listed as AFCARS
 Semmes-AL
Florida
 145.3600 -0.6 none FM (analog) — Semmes-AL, FL
21.3 W5WA Vancleave
W5WA
 145.1100 -0.6 TSQL 123.0 FM (analog) (C4FM,FM) 🗓 2 nets 2 nets · 8 check-ins · 8 stations Vancleave, MS
21.3 K9EYZ Vancleave
K9EYZ
 146.9700 -0.6 TSQL 136.5 FM (analog) (FM,C4FM) — Vancleave, MS
21.7 N4TAE Mobile
N4TAE BM
 444.9875 +5 CC1 DMR BrandMeister 310116 — Mobile, AL
21.7 N4FIV Mobile
N4FIV BM
 147.2375 +0.6 CC1 DMR BrandMeister 314750 — Mobile, AL
21.7 W4IAX Mobile
W4IAX
 145.3900 -0.6 none D-STAR — Mobile, AL
21.7 W4IAX Mobile
W4IAX
 444.9000 +5 none D-STAR — Mobile, AL
22.1 no call listed
Listed as SERA
 Ocean Spring
Florida
 146.9700 -0.6 TONE 136.5 FM (analog) — Ocean Spring MS, FL
22.2 N4FIV Mobile SHW Tank
N4FIV
 146.9400 -0.6 none FM (analog) — Mobile, AL
22.2 N4FIV Alabaster
N4FIV BM
 444.7500 +5 CC1 DMR BrandMeister 310101 — Alabaster, AL
22.2 N4FIV Mobile SHW Tank
N4FIV BM
 444.5000 +5 CC1 DMR BrandMeister 310101 — Mobile, AL
22.2 N4FIV Mobile Spring Hl
N4FIV BM
 444.9875 +5 CC1 DMR BrandMeister 310104 — Mobile, AL
25.7 W4IAX Mobile
W4IAX
 147.3450 +0.6 TONE 203.5 FM (analog) — Mobile, AL
30.4 WB4CNL Daphne
WB4CNL WIRES-X
 145.5625 simplex none FM (analog) WIRES-X 33053 — Daphne, AL
31.1 N4MZ Foley Weeks Bay
N4MZ
 146.6850 -0.6 TONE 82.5 FM (analog) (C4FM,FM) — Foley, AL
31.1 WA4MZE Foley
WA4MZE
 147.2400 +0.6 none FM (analog) — Foley, AL
32.1 KI4SAZ Magnolia Springs
KI4SAZ
 145.3100 -0.6 none D-STAR — Magnolia Springs, AL
32.1 KI4SAZ Magnolia Springs
KI4SAZ
 444.3000 +5 none D-STAR — Magnolia Springs, AL
32.1 W5SGL Biloxi
W5SGL
 444.9625 +5 none FM (analog) — Biloxi, MS
32.2 no call listed
Listed as SERA
 Biloxi
Florida
 224.3000 -1.6 TONE 136.5 FM (analog) — Biloxi MS, FL
32.2 no call listed
Listed as SERA
 Biloxi-MS
Florida
 53.2500 -1 TONE 136.5 FM (analog) — Biloxi-MS, FL
34.4 KI4SAZ Magnolia Springs
KI4SAZ
 1285.0000 -20 none D-STAR — Magnolia Springs, AL
35.7 KD4VVZ Biloxi
KD4VVZ SE
 444.9625 +5 CC1 DMR SE — Biloxi, MS
36.0 W5SGL Biloxi Cableone
W5SGL
 146.7300 -0.6 TSQL 136.5 FM (analog) (C4FM,FM) — Biloxi, MS
37.3 W4IAX Spanish Fort WAL
W4IAX
 146.8200 -0.6 TONE 203.5 FM (analog) — Spanish Fort, AL
38.1 KN4DND Robertsdale Bald
KN4DND BM
 443.3250 +5 CC1 DMR BrandMeister 314948 — Robertsdale, AL
38.1 N4MZ Robertsdale Bald
N4MZ
 443.3750 +5 TONE 82.5 FM (analog) — Robertsdale, AL
38.1 WB4EMA Robertsdale Bald
WB4EMA
 147.0900 +0.6 TONE 82.5 FM (analog) 🗓 4 nets 4 nets · 34 check-ins · 23 stations Robertsdale, AL
39.3 N4FIV Bucks SALCO
N4FIV
 444.6375 +5 CC1 DMR — Bucks, AL
39.3 N4RGJ Mobile CM School
N4RGJ
 147.0150 +0.6 TONE 123.0 FM (analog) — Mobile, AL
40.1 KD4VVZ Lucedale
KD4VVZ WIRES-X
 147.1200 +0.6 TSQL 136.5 FM (analog) (C4FM,FM) WIRES-X 28327 WIRES-X 18327 — Lucedale, MS
40.3 KD4VVZ Lucedale
KD4VVZ SE
 444.2000 +5 CC1 DMR SE — Lucedale, MS
40.4 KD4VVZ Lucedale
KD4VVZ EchoLink
 145.3300 in 446.8000 TSQL 136.5 FM (analog) (C4FM,FM) EchoLink 719910 — Lucedale, MS
40.5 no call listed
Listed as SERA
 George County
Florida
 145.3300 -0.6 TONE 136.5 FM (analog) — George County, FL
41.3 KM4NJM Gulf Shores
KM4NJM BM
 432.0000 in 432.7000 CC1 DMR BrandMeister 319713502 — Gulf Shores, AL
44.2 N4FIV Bucks BS Plant
N4FIV EchoLink
 444.6000 +5 TSQL 203.5 FM (analog) EchoLink 381143 — Bucks, AL
44.3 WX5HAR Gulfport Courtho
WX5HAR
 146.8350 -0.6 TSQL 136.5 FM (analog) (FM,C4FM) — Gulfport, MS
44.4 N9OKV Gulfport
N9OKV
 146.8350 -0.6 TSQL 136.5 FM (analog) — Gulfport, MS
44.6 KO4EKK Bucks
KO4EKK BM
 442.0000 +5 CC1 DMR BrandMeister 312753 — Bucks, AL
44.8 WN1R Orange Beach Wel
WN1R BM
 145.2750 +0.6 CC5 DMR BrandMeister 314616 — Orange Beach, AL
45.2 WN1R Orange Beach Wel
WN1R AllStar
 147.7100 in 445.2750 TSQL 123.0 FM (analog) AllStar 627033 — Orange Beach, AL
46.4 K4DTM GULFPORT
K4DTM AllStar
 147.5550 simplex TONE 107.2 FM (analog) AllStar 51785 — GULFPORT, MS
47.2 KA5VFU McHenry
KA5VFU
 147.3750 +0.6 none FM (analog) — McHenry, MS
47.2 WX5RJ Gulfport
WX5RJ BM
 438.5500 -5 CC1 DMR BrandMeister 3166262 — Gulfport, MS
49.0 W4TP Bay Minette
W4TP WIRES-X
 146.7900 -0.6 TSQL 210.7 FM (analog) (FM,C4FM) WIRES-X 84688 — Bay Minette, AL
49.1 no call listed
Listed as ALRC
 Bay Minette-AL
Florida
 146.6700 simplex TONE 210.7 FM (analog) — Bay Minette-AL, FL
22.2 N4FIV offline Mobile
N4FIV BM
 444.7875 +5 CC1 DMR BrandMeister 310105 — Mobile, AL
47.2 KI4TMJ offline McHenry
KI4TMJ
 1250.0000 simplex none D-STAR — McHenry, MS
47.2 KI4TMJ offline McHenry
KI4TMJ
 1284.0000 -20 none D-STAR — McHenry, MS

Data courtesy of RepeaterBook.com