N9TPB FCC License Search
🕒 FCC license data updated yesterday 9:45 am CDT · next update today 7:15 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

N0SD HAM

Amateur Extra class licensed since 2000 (26 yrs) N0SD since 2024 · previously KK0SD, KS5Z, KA0YOS Watertown, SD grid EN14kv LoTW user 15 repeaters within 50 mi
🔒 Not available — currently licensed, through Dec 27, 2034. If it isn't renewed, it opens for vanity requests Dec 28, 2036.

📬 QSL: LoTW user · last upload Oct 1, 2026 · not eQSL AG · QRZ · HamQTH

📝 N0SD has filed vanity applications before — latest filed Dec 9, 2024 · what was requested

Currently held by GARY J MAYFIELD · 2 holders on record

Current holder: GARY J MAYFIELD

Held N0SD Dec 27, 2024 → present · first licensed Jun 8, 2000 as KA0YOS · 4 licenses · FRN 0002205102

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

Previous holder: JOHN R WALTNER

Held N0SD May 23, 2006 → Dec 6, 2022 · first licensed May 23, 2006 as N0SD · 1 license · FRN 0002244911

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

Vanity applications filed by N0SD

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 Dec 9, 2024
Granted Dec 27, 2024
0011358823
 KK0SD · GARY J MAYFIELD · Amateur Extra
505 26th Street NW, Watertown, SD 57201
44.9078, -97.1583 (street) · Grid EN14kv · CQ 4 · ITU 7 · map ↗
1.N0SD ✓ granted
 Granted
got N0SD
Filed Nov 17, 2004
Granted Nov 7, 2024
0001941620
 KS5Z · GARY J MAYFIELD · Amateur Extra
1908 6th Street NE, Watertown, SD 57201
44.9367, -97.0928 (ZIP center) · Grid EN14kw · CQ 4 · ITU 7 · map ↗
1.KK0SD ✓ granted
2.KE0O held
3.WM0I held
 Granted
got KK0SD
Filed Jun 12, 2003
Award date was Jun 30, 2003
0001345797
 KA0YOS · GARY J MAYFIELD · Amateur Extra
PO Box 300 · 310 Graystone Lane, Bushland, TX 79012
35.1172, -102.1073 (ZIP center) · Grid DM85wc · CQ 4 · ITU 7 · map ↗
1.KK5Y held
2.KS5Z held
3.KG5V held
 Granted

Others requesting N0SD

7 applications listed N0SD as a choice, newest first.

FiledAwardApplicantChoice #Status
Dec 10, 2024 Dec 28, 2024 KF0QWK · Charles A Watts · Powell, MO 16Granted
Dec 9, 2024 Dec 27, 2024 AI5UI · Justin Howe · Round Rock, TX 3Granted
Dec 9, 2024 Dec 27, 2024 AE7XF · Arthur R Popp III · Issaquah, WA 1Dismissed
Dec 9, 2024 Dec 27, 2024 KK0SD · GARY J MAYFIELD · Watertown, SD 1Granted
Apr 14, 2000 May 2, 2000 AA8GP · RANDAL L ROTH · STURGIS, SD 15Granted
Feb 9, 2000 Feb 27, 2000 AA8GP · RANDAL L ROTH · STURGIS, SD 18Dismissed
Jan 12, 2000 Jan 30, 2000 AA8GP · RANDAL L ROTH · STURGIS, SD 13Dismissed

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for N0SD in the last 24 hours. They show up here within seconds of N0SD beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.

Repeaters within 50 miles

15 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
1.8 K0TY Watertown
K0TY
 442.0000 +5 TSQL 146.2 FM (analog) — Watertown, SD
2.0 W0WTN Watertown
W0WTN
 146.8500 -0.6 TSQL 67.0 FM (analog) — Watertown, SD
5.8 KB0LCR Watertown
KB0LCR BM
 443.7250 +5 CC1 DMR BrandMeister 312336 — Watertown, SD
28.9 N0PTW Webster
N0PTW
 443.9250 +5 Fusion (C4FM) — Webster, SD
30.3 KC0OVC Toronto
KC0OVC
 146.7750 -0.6 TONE 146.2 FM (analog) — Toronto, SD
30.8 K0BBC Clear Lake Bar-X
K0BBC
 444.3000 +5 TSQL 136.5 FM (analog) (FM,C4FM) — Clear Lake, SD
37.3 KE0WPC Toronto
KE0WPC AllStar
 446.2500 simplex TONE 146.2 FM (analog) AllStar 632881 — Toronto, SD
37.3 KE0WPC Toronto
KE0WPC
 443.0750 +5 TSQL 141.3 FM (analog) — Toronto, SD
39.0 W0BXO Brookings
W0BXO EchoLink
 146.9400 -0.6 TONE 110.9 FM (analog) EchoLink 409605 — Brookings, SD
40.0 KC0MYX Webster
KC0MYX IRLP
 442.1000 +5 TONE 88.5 FM (analog) IRLP 8113 — Webster, SD
42.1 N0AHL Crandall Hl
N0AHL
 146.7900 -0.6 TONE 146.2 FM (analog) — Crandall, SD
44.3 NY0I Ortonville
NY0I
 444.5000 +5 TONE 146.2 FM (analog) (C4FM,FM) — Ortonville, MN
47.9 K0LQP Madison
K0LQP EchoLink
 146.7300 -0.6 TONE 146.2 FM (analog) (C4FM,FM) EchoLink 275196 — Madison, MN
15.2 W0WTN offline Castlewood
W0WTN
 443.1000 +5 TSQL 146.2 FM (analog) (FM,C4FM) — Castlewood, SD
41.9 N0VEK offline Volga
N0VEK WIRES-X
 444.0500 +5 TSQL 136.5 FM (analog) (FM,C4FM) WIRES-X 11225 — Volga, SD