N9TPB FCC License Search

🕒 FCC license data updated today 9:15 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

KB4SM

Not currently held · 2 holders on record · available since Jul 18, 2022

Previous holder: roger w bostock

Held KB4SM Oct 17, 2013 → Jul 17, 2020 · first licensed Dec 5, 2002 as KB1SM · 5 licenses · FRN 0008041634

KB1SM Active Advanced · vanity Jul 17, 2020 → expires Jul 17, 2030

Licensee
roger w bostock

Address
Attn: roger w bostock
76A ennis Rd
north oxford, MA 01537
42.1612, -71.8911 (street) · Grid FN42bd · CQ 5 · ITU 8 · map ↗

FRN
0008041634

Previous call
KB4SM (General)

Last granted
Jul 17, 2020

Effective
Jul 17, 2020

Last action
Jul 17, 2020
FCC actions (2)
- Jul 17, 2020 — Vanity call sign granted VANGRT
- Jul 17, 2020 — License issued LIISS
📦 Moved: Zephyrhills, FL → North Oxford, MA

KB4SM Canceled Advanced · vanity Oct 17, 2013 → Jul 17, 2020 (canceled)

Licensee
ROGER W BOSTOCK

Address
76A ennis Rd
north oxford, MA 01537
42.1612, -71.8911 (street) · Grid FN42bd · CQ 5 · ITU 8 · map ↗

FRN
0008041634

Previous call
K4BBR (General)

Last granted
Oct 17, 2013

Effective
Jun 30, 2020

Last action
Jul 17, 2020
FCC actions (5)
- Jul 17, 2020 — License canceled LICAN
- Jun 30, 2020 — FCC action LIAUA
- Jun 30, 2020 — FCC action LIAUA
- Oct 17, 2013 — Vanity call sign granted VANGRT
- Oct 17, 2013 — License issued LIISS
K4BBR Canceled Advanced · vanity Dec 11, 2009 → Oct 17, 2013 (canceled)

Licensee
ROGER W BOSTOCK

Address
37522 CAMPO AVE
ZEPHYRHILLS, FL 33541
28.2340, -82.2214 (ZIP center) · Grid EL88vf · CQ 5 · ITU 8 · map ↗

FRN
0008041634

Previous call
W1ZRZ (General)

Last granted
Dec 11, 2009

Effective
Dec 11, 2009

Last action
Oct 22, 2013
FCC actions (3)
- Oct 17, 2013 — License canceled LICAN
- Dec 11, 2009 — Vanity call sign granted VANGRT
- Dec 11, 2009 — License issued LIISS
📦 Moved: Worcester, MA → Zephyrhills, FL

W1ZRZ Canceled Advanced · vanity Jan 10, 2006 → Dec 11, 2009 (canceled)

Licensee
ROGER W BOSTOCK

Address
37522 CAMPO AVE
ZEPHYRHILLS, FL 33541
28.2340, -82.2214 (ZIP center) · Grid EL88vf · CQ 5 · ITU 8 · map ↗

FRN
0008041634

Previous call
KB1SM (General)

Last granted
Jan 10, 2006

Effective
Dec 14, 2006

Last action
Dec 11, 2009
FCC actions (4)
- Dec 11, 2009 — License canceled LICAN
- Dec 14, 2006 — FCC action LIAUA
- Jan 10, 2006 — Vanity call sign granted VANGRT
- Jan 10, 2006 — License issued LIISS
KB1SM Canceled Advanced Dec 5, 2002 → Jan 10, 2006 (canceled)

Licensee
ROGER W BOSTOCK

Address
33 SAVOY ST
WORCESTER, MA 01607
42.2260, -71.7889 (ZIP center) · Grid FN42cf · CQ 5 · ITU 8 · map ↗

FRN
0008041634

Previous call
KA1IWV (General)

Last granted
Dec 5, 2002

Effective
Dec 5, 2002

Last action
Jan 10, 2006
FCC actions (3)
- Jan 10, 2006 — License canceled LICAN
- Dec 5, 2002 — License renewed LIREN
- Dec 5, 2002 — FCC action LITIN

Address history

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

Seen Apr 16, 2022 → Sep 27, 2026 · 24 snapshots · as KB4SM
ROGER W BOSTOCK
76A ennis Rd, north oxford, MA 01537
42.1612, -71.8911 (street) · Grid FN42bd · CQ 5 · ITU 8 · map ↗
Seen May 27, 2010 → Sep 27, 2026 · 118 snapshots · as W1ZRZ
ROGER W BOSTOCK
37522 CAMPO AVE, ZEPHYRHILLS, FL 33541
28.2340, -82.2214 (ZIP center) · Grid EL88vf · CQ 5 · ITU 8 · map ↗
Seen Nov 7, 2004 → Sep 27, 2026 · 47 snapshots · as KB1SM
ROGER W BOSTOCK
33 SAVOY ST, WORCESTER, MA 01607
42.2260, -71.7889 (ZIP center) · Grid FN42cf · CQ 5 · ITU 8 · map ↗

Previous holder: BENJAMIN S HALE

Held KB4SM Jul 15, 1994 → Jul 15, 2004 · first licensed Jul 15, 1994 as KB4SM · 1 license · no FRN on file (pre-2001 records)

KB4SM Expired Advanced Jul 15, 1994 → Jul 15, 2004 (expired)

Licensee
BENJAMIN S HALE

Address
1013 CARRUTHERS HILL RD
MORRILTON, AR 72110
35.1546, -92.7724 (ZIP center) · Grid EM35od · CQ 4 · ITU 7 · map ↗

Last granted
Jul 15, 1994

Effective
Jul 15, 1994

Last action
Jul 18, 2006
FCC actions (1)
- Jul 18, 2006 — 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 → Sep 27, 2026 · 47 snapshots · as KB4SM
BENJAMIN S HALE
1013 CARRUTHERS HILL RD, MORRILTON, AR 72110
35.1546, -92.7724 (ZIP center) · Grid EM35od · CQ 4 · ITU 7 · map ↗

Vanity requests for KB4SM

3 applications listed KB4SM as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Sep 12, 2022	Sep 30, 2022	KO4JIT · Samuel Mejia · Decatur, GA	20	Granted
Sep 26, 2013	Oct 14, 2013	K4BBR · ROGER W BOSTOCK · ZEPHYRHILLS, FL	1	Granted
Feb 1, 2010	Feb 19, 2010	KJ4RVU · Sequatchie County Auxiliary Communications Service · Signal Mountain, TN	8	Granted