N9TPB FCC License Search

🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 4, 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

W9SBK HAM

✅ Available for a vanity request — free since Mar 30, 2026.

1x3 call: Technician, General, Advanced and Amateur Extra licensees can request it. No pending applications list it.

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

Not currently held · 2 holders on record · available since Mar 30, 2026

Previous holder: Robert W Krenkel

Held W9SBK Nov 25, 2023 → Mar 29, 2024 · first licensed Oct 6, 2023 as KD9YZS · 3 licenses · FRN 0033999418

KC9BK Active Amateur Extra · vanity Mar 29, 2024 → expires Mar 29, 2034

Licensee
Robert W Krenkel

Address
Attn: Robert Krenkel
12561 S Roy Rd
Beloit, WI 53511
42.4984, -89.2282 (street) · Grid EN52jl · CQ 4 · ITU 8 · map ↗

FRN
0033999418

Previous call
W9SBK (Technician)

Last granted
Mar 29, 2024

Effective
Mar 29, 2024

Last action
Mar 29, 2024
FCC actions (2)
- Mar 29, 2024 — Vanity call sign granted VANGRT
- Mar 29, 2024 — License issued LIISS
W9SBK Canceled Amateur Extra · vanity Nov 25, 2023 → Mar 29, 2024 (canceled)

Licensee
Robert W Krenkel

Address
12561 S Roy Rd
Beloit, WI 53511
42.4984, -89.2282 (street) · Grid EN52jl · CQ 4 · ITU 8 · map ↗

FRN
0033999418

Previous call
KD9YZS (Technician)

Last granted
Nov 25, 2023

Effective
Dec 13, 2023

Last action
Mar 29, 2024
FCC actions (4)
- Mar 29, 2024 — License canceled LICAN
- Dec 13, 2023 — License modified LIMOD
- Nov 25, 2023 — Vanity call sign granted VANGRT
- Nov 25, 2023 — License issued LIISS
KD9YZS Canceled Technician Oct 6, 2023 → Nov 25, 2023 (canceled)

Licensee
Robert W Krenkel

Address
12561 S Roy Rd
Beloit, WI 53511
42.4984, -89.2282 (street) · Grid EN52jl · CQ 4 · ITU 8 · map ↗

FRN
0033999418

Last granted
Oct 6, 2023

Effective
Oct 6, 2023

Last action
Nov 25, 2023
FCC actions (3)
- Nov 25, 2023 — License canceled LICAN
- Oct 6, 2023 — License issued LIISS
- Oct 6, 2023 — Systematic call sign granted SYSGRT

Address history

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

Seen Apr 27, 2024 → Oct 4, 2026 · 36 snapshots · as KD9YZS
Robert W Krenkel
12561 S Roy Rd, Beloit, WI 53511
42.4984, -89.2282 (street) · Grid EN52jl · CQ 4 · ITU 8 · map ↗

Previous holder: JAMES T SANDERS

Held W9SBK Oct 4, 1988 → Oct 4, 1998 · first licensed Oct 4, 1988 as W9SBK · 1 license · no FRN on file (pre-2001 records)

W9SBK Expired General Oct 4, 1988 → Oct 4, 1998 (expired)

Licensee
JAMES T SANDERS

Address
639 E 11TH ST
CENTRALIA, IL 62801
38.5110, -89.1405 (ZIP center) · Grid EM58km · CQ 4 · ITU 8 · map ↗

Last granted
Oct 4, 1988

Effective
Oct 4, 1988

Last action
Oct 5, 2000
FCC actions (1)
- Oct 5, 2000 — License expired LIEXP

Address history

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

Seen Nov 7, 2004 → Oct 4, 2026 · 48 snapshots · as W9SBK
JAMES T SANDERS
639 E 11TH ST, CENTRALIA, IL 62801
38.5110, -89.1405 (ZIP center) · Grid EM58km · CQ 4 · ITU 8 · map ↗

Others requesting W9SBK

1 application listed W9SBK as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Nov 6, 2023	Nov 24, 2023	KD9YZS · Robert W Krenkel · Beloit, WI	1	Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for W9SBK in the last 24 hours. They show up here within seconds of W9SBK beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.