N9TPB FCC License Search
🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 8, 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)

KO0S HAM

Amateur Extra class licensed since 1986 (40 yrs) Aberdeen, SD Grid EN05sk 13 repeaters within 50 mi
🔒 Not available — currently licensed, through May 9, 2026. If it isn't renewed, it opens for vanity requests May 10, 2028.

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

Currently held by LARRY G ROBERTS · 1 holder on record

Current holder: LARRY G ROBERTS

Held KO0S Jul 29, 1986 → present · first licensed Jul 29, 1986 as KO0S · 1 license · FRN 0014769491
📖 In the printed callbooks since 1981 as KA0GUY, 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.

Others Requesting KO0S

1 application listed KO0S as a choice, newest first.

FiledAwardApplicantChoice #KO0SResult
Feb 23, 2010 Mar 13, 2010 KD5MHI · Eddie A Force · Pueblo, CO 14Not granted They got NI5R (choice 2)

📡 On the Air: APRS, Digital & WSPR Spots

No APRS positions, PSK Reporter reports or WSPR spots for KO0S in the last 24 hours. They show up here within seconds of KO0S beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.

Repeaters within 50 Miles

13 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
1.5 no call listed Aberdeen
South Dakota
 442.6250 +5 none FM (analog) — Aberdeen, SD
2.2 W0ABR Aberdeen
W0ABR
 146.9100 -0.6 none FM (analog) — Aberdeen, SD
4.8 N9TDE Aberdeen
N9TDE AllStar
 444.4000 simplex TONE 146.2 FM (analog) AllStar 46614 AllStar 466140 AllStar 466141 — Aberdeen, SD
4.8 N9TDE Aberdeen
N9TDE AllStar
 146.4400 simplex TONE 146.2 FM (analog) AllStar 466142 — Aberdeen, SD
6.0 N0AHL Offline Aberdeen
N0AHL AllStar
 147.0300 +0.6 TSQL 146.2 FM (analog) IRLP 7046 AllStar 466140 — Aberdeen, SD
6.6 WB0JZZ Bath
WB0JZZ
 443.4000 +5 none FM (analog) — Bath, SD
6.6 WB0TPF Bath
WB0TPF IRLP
 147.0300 +0.6 TONE 146.2 FM (analog) IRLP 7046 — Bath, SD
30.5 KC0MYX Pierpont
KC0MYX IRLP
 147.3300 +0.6 TONE 146.2 FM (analog) IRLP 7046 — Pierpont, SD
31.7 N0AHL Crandall Hl
N0AHL
 146.7900 -0.6 TONE 146.2 FM (analog) — Crandall, SD
37.1 KC5ZCH Forbes
KC5ZCH IRLP
 145.3300 -0.6 TONE 136.5 FM (analog) IRLP 7046 — Forbes, ND
41.3 KC0MYX Webster
KC0MYX IRLP
 442.1000 +5 TONE 88.5 FM (analog) IRLP 8113 — Webster, SD
43.4 WD0BIA Redfield
WD0BIA
 147.1500 +0.6 TONE 146.2 FM (analog) — Redfield, SD
49.1 N0PTW Webster
N0PTW
 443.9250 +5 Fusion (C4FM) — Webster, SD