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

GARY J MAYFIELD

FRN 0002205102 · first licensed Jun 8, 2000 as KA0YOS · 4 licenses on record

📝 FCC applications (12)

ReceivedFile numberServicePurposeStatusCall
Dec 9, 20240011358823 HAMModificationGranted KK0SD
Nov 1, 20240011312010 HAMRenewalGranted KK0SD
Dec 1, 20170008013637 HAMAdministrative updateGranted KK0SD
Mar 4, 20160007168154 HAMAdministrative updateGranted KK0SD
Sep 9, 20140006452765 HAMRenewalGranted KK0SD
Jul 31, 20060002696607 HAMAdministrative updateGranted KK0SD
Nov 17, 20040001941620 HAMModificationGranted KS5Z
Oct 18, 20040001904610 HAMAdministrative updateGranted KS5Z
Jun 12, 20030001345797 HAMModificationGranted KA0YOS
Jun 4, 20030001334728 HAMRenewalGranted KA0YOS
Jun 4, 20030001334719 HAMAdministrative updateGranted KA0YOS
Jun 7, 20000000160001 HAMModificationGranted KA0YOS

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

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

Vanity applications

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