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

K1MTK HAM

✅ Available for a vanity request — free since Nov 5, 2018.

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 Nov 5, 2018

Previous holder: Martin T Koszewski

Held K1MTK Apr 7, 2015 → Nov 4, 2016 · first licensed Mar 20, 2015 as KC1DLJ · 3 licenses · FRN 0024310922

N1VH Active Amateur Extra · vanity Nov 4, 2016 → expires Nov 4, 2036

Licensee
Martin T Koszewski

Address
Attn: Martin Koszewski
550 Liberty Street Apt 3204
Braintree, MA 02184
42.2014, -70.9847 (street) · Grid FN42me · CQ 5 · ITU 8 · map ↗

FRN
0024310922

Previous call
K1MTK (Technician)

Last granted
Sep 11, 2026

Effective
Sep 11, 2026

Last action
Sep 11, 2026
FCC actions (4)
- Sep 11, 2026 — License renewed LIREN
- Feb 4, 2025 — Administrative update LIAUA
- Nov 4, 2016 — Vanity call sign granted VANGRT
- Nov 4, 2016 — License issued LIISS
K1MTK Canceled Amateur Extra · vanity Apr 7, 2015 → Nov 4, 2016 (canceled)

Licensee
Martin T Koszewski

Address
550 Liberty Street Apt 3204
Braintree, MA 02184
42.2014, -70.9847 (street) · Grid FN42me · CQ 5 · ITU 8 · map ↗

FRN
0024310922

Previous call
KC1DLJ (Technician)

Last granted
Apr 7, 2015

Effective
Apr 16, 2015

Last action
Nov 4, 2016
FCC actions (4)
- Nov 4, 2016 — License canceled LICAN
- Apr 16, 2015 — License modified LIMOD
- Apr 7, 2015 — Vanity call sign granted VANGRT
- Apr 7, 2015 — License issued LIISS
KC1DLJ Canceled Technician Mar 20, 2015 → Apr 7, 2015 (canceled)

Licensee
Martin T Koszewski

Address
550 Liberty Street Apt 3204
Braintree, MA 02184
42.2014, -70.9847 (street) · Grid FN42me · CQ 5 · ITU 8 · map ↗

FRN
0024310922

Last granted
Mar 20, 2015

Effective
Mar 20, 2015

Last action
Apr 7, 2015
FCC actions (3)
- Apr 7, 2015 — License canceled LICAN
- Mar 20, 2015 — License issued LIISS
- Mar 20, 2015 — 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 Mar 28, 2015 → Oct 4, 2026 · 95 snapshots · as KC1DLJ
Martin T Koszewski
550 Liberty Street Apt 3204, Braintree, MA 02184
42.2014, -70.9847 (street) · Grid FN42me · CQ 5 · ITU 8 · map ↗

Previous holder: KENNETH S PICKERING

Held K1MTK Apr 26, 1988 → Apr 26, 1998 · first licensed Apr 26, 1988 as K1MTK · 1 license · no FRN on file (pre-2001 records)

K1MTK Expired Technician Plus Apr 26, 1988 → Apr 26, 1998 (expired)

Licensee
KENNETH S PICKERING

Address
3506 ACUSHNET AVE
NEW BEDFORD, MA 02745
41.7027, -70.9471 (ZIP center) · Grid FN41mq · CQ 5 · ITU 8 · map ↗

Last granted
Apr 26, 1988

Effective
Apr 26, 1988

Last action
Apr 27, 2000
FCC actions (1)
- Apr 27, 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 K1MTK
KENNETH S PICKERING
3506 ACUSHNET AVE, NEW BEDFORD, MA 02745
41.7027, -70.9471 (ZIP center) · Grid FN41mq · CQ 5 · ITU 8 · map ↗

Others requesting K1MTK

1 application listed K1MTK as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Mar 20, 2015	Apr 7, 2015	KC1DLJ · Martin T Koszewski · Braintree, MA	1	Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for K1MTK in the last 24 hours. They show up here within seconds of K1MTK beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.