N9TPB FCC License Search

🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 4, 2026) · next update today 8:30 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

KI4BRB HAM

✅ Available for a vanity request — free since Jul 31, 2005.

2x3 call: any licensee can request it. No pending applications list it.

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

Not currently held · 1 holder on record · available since Jul 31, 2005

Previous holder: Matthew G Robertson

Held KI4BRB Oct 5, 1998 → Jul 30, 2003 · first licensed as KF4TBS · 27 licenses · FRN 0003199999

📦 Moved: Havelock, NC → Old Hickory, TN

W0XLR Active General · vanity Jun 9, 2026 → expires Jun 9, 2036

Licensee
Matthew G Robertson

Address
1402 Clarke St
Old Hickory, TN 37138
36.2564, -86.6453 (street) · Grid EM66qg · CQ 4 · ITU 8 · map ↗

FRN
0003199999

Previous call
W4XPR (Technician)

Last granted
Jun 9, 2026

Effective
Aug 20, 2026

Last action
Aug 20, 2026
FCC actions (5)
- Aug 20, 2026 — Administrative update LIAUA
- Aug 11, 2026 — Administrative update LIAUA
- Jun 11, 2026 — Administrative update LIAUA
- Jun 9, 2026 — Vanity call sign granted VANGRT
- Jun 9, 2026 — License issued LIISS
W4XPR Canceled General · vanity Aug 22, 2025 → Jun 9, 2026 (canceled)

Licensee
Alexander L Ben-Ami

Address
102 Witten Cir Apt B
Havelock, NC 28532-1850
34.9050, -76.8867 (ZIP center) · Grid FM14nv · CQ 5 · ITU 8 · map ↗

FRN
0003199999

Previous call
W0ALB (Technician)

Last granted
Aug 22, 2025

Effective
Aug 22, 2025

Last action
Jun 9, 2026
FCC actions (3)
- Jun 9, 2026 — License canceled LICAN
- Aug 22, 2025 — Vanity call sign granted VANGRT
- Aug 22, 2025 — License issued LIISS
W0ALB Canceled General · vanity Jun 21, 2024 → Aug 22, 2025 (canceled)

Licensee
Alexander L Ben-Ami

Address
102 Witten Cir Apt B
Havelock, NC 28532-1850
34.9050, -76.8867 (ZIP center) · Grid FM14nv · CQ 5 · ITU 8 · map ↗

FRN
0003199999

Previous call
W7MGR (Technician)

Last granted
Jun 21, 2024

Effective
Jul 2, 2024

Last action
Aug 22, 2025
FCC actions (4)
- Aug 22, 2025 — License canceled LICAN
- Jul 2, 2024 — Administrative update LIAUA
- Jun 21, 2024 — Vanity call sign granted VANGRT
- Jun 21, 2024 — License issued LIISS
W7MGR Canceled General · vanity Dec 9, 2022 → Jun 21, 2024 (canceled)

Licensee
Matthew G Robertson

Address
102 Witten Cir Apt B
Havelock, NC 28532-1850
34.9050, -76.8867 (ZIP center) · Grid FM14nv · CQ 5 · ITU 8 · map ↗

FRN
0003199999

Previous call
KS4ALT (Technician)

Last granted
Dec 9, 2022

Effective
Aug 1, 2023

Last action
Jun 21, 2024
FCC actions (5)
- Jun 21, 2024 — License canceled LICAN
- Aug 1, 2023 — Administrative update LIAUA
- Dec 13, 2022 — Administrative update LIAUA
- Dec 9, 2022 — Vanity call sign granted VANGRT
- Dec 9, 2022 — License issued LIISS
📦 Moved: Lima, OH → Havelock, NC

KS4ALT Canceled General · vanity Apr 5, 2022 → Dec 9, 2022 (canceled)

Licensee
Matthew G Robertson

Address
106 Tarheel Dr
Havelock, NC 28532-1750
34.9050, -76.8867 (ZIP center) · Grid FM14nv · CQ 5 · ITU 8 · map ↗

FRN
0003199999

Previous call
W8MGR (Technician)

Last granted
Apr 5, 2022

Effective
Apr 6, 2022

Last action
Dec 9, 2022
FCC actions (4)
- Dec 9, 2022 — License canceled LICAN
- Apr 6, 2022 — Administrative update LIAUA
- Apr 5, 2022 — Vanity call sign granted VANGRT
- Apr 5, 2022 — License issued LIISS
📦 Moved: Idaho Falls, ID → Lima, OH

W8MGR Canceled General · vanity Sep 4, 2021 → Apr 5, 2022 (canceled)

Licensee
Matthew G Robertson

Address
518 W. Wayne St
Lima, OH 45801
40.7729, -84.0341 (ZIP center) · Grid EN70xs · CQ 4 · ITU 8 · map ↗

FRN
0003199999

Previous call
W7MGR (Technician)

Last granted
Sep 4, 2021

Effective
Sep 4, 2021

Last action
Apr 5, 2022
FCC actions (3)
- Apr 5, 2022 — License canceled LICAN
- Sep 4, 2021 — Vanity call sign granted VANGRT
- Sep 4, 2021 — License issued LIISS
📦 Moved: Borger, TX → Idaho Falls, ID

W7MGR Canceled General · vanity Feb 22, 2020 → Sep 4, 2021 (canceled)

Licensee
Matthew G Robertson

Address
PO Box 50934
Idaho Falls, ID 83405-0934

FRN
0003199999

Previous call
W0MGR (Technician)

Last granted
Feb 22, 2020

Effective
Sep 22, 2020

Last action
May 16, 2024
FCC actions (7)
- Sep 4, 2021 — License canceled LICAN
- Sep 22, 2020 — Administrative update LIAUA
- May 12, 2020 — Administrative update LIAUA
- Apr 14, 2020 — Administrative update LIAUA
- Feb 25, 2020 — Administrative update LIAUA
- Feb 22, 2020 — Vanity call sign granted VANGRT
- Feb 22, 2020 — License issued LIISS
W0MGR Canceled General · vanity Jul 23, 2019 → Feb 22, 2020 (canceled)

Licensee
Matthew G Robertson

Address
1112 Coble Dr
Borger, TX 79007
35.6683, -101.4122 (ZIP center) · Grid DM95hq · CQ 4 · ITU 7 · map ↗

FRN
0003199999

Previous call
N4MGR (Technician)

Last granted
Jul 23, 2019

Effective
Jul 23, 2019

Last action
Feb 22, 2020
FCC actions (3)
- Feb 22, 2020 — License canceled LICAN
- Jul 23, 2019 — Vanity call sign granted VANGRT
- Jul 23, 2019 — License issued LIISS
N4MGR Canceled General · vanity May 24, 2019 → Jul 23, 2019 (canceled)

Licensee
Matthew G Robertson

Address
1112 Coble Dr
Borger, TX 79007
35.6683, -101.4122 (ZIP center) · Grid DM95hq · CQ 4 · ITU 7 · map ↗

FRN
0003199999

Previous call
KM5TEX (Technician)

Last granted
May 24, 2019

Effective
Jun 11, 2019

Last action
Jul 23, 2019
FCC actions (4)
- Jul 23, 2019 — License canceled LICAN
- Jun 11, 2019 — Administrative update LIAUA
- May 24, 2019 — Vanity call sign granted VANGRT
- May 24, 2019 — License issued LIISS
KM5TEX Canceled General · vanity Mar 19, 2019 → May 24, 2019 (canceled)

Licensee
Matthew G Robertson

Address
1112 Coble Dr
Borger, TX 79007
35.6683, -101.4122 (ZIP center) · Grid DM95hq · CQ 4 · ITU 7 · map ↗

FRN
0003199999

Previous call
N4MGR (Technician)

Last granted
Mar 19, 2019

Effective
Mar 19, 2019

Last action
May 24, 2019
FCC actions (3)
- May 24, 2019 — License canceled LICAN
- Mar 19, 2019 — Vanity call sign granted VANGRT
- Mar 19, 2019 — License issued LIISS
📦 Moved: Monroe, NC → Borger, TX

N4MGR Canceled General · vanity Dec 2, 2017 → Mar 19, 2019 (canceled)

Licensee
Matthew G Robertson

Address
1112 Coble Dr
Borger, TX 79007
35.6683, -101.4122 (ZIP center) · Grid DM95hq · CQ 4 · ITU 7 · map ↗

FRN
0003199999

Previous call
K2LOW (Technician)

Last granted
Dec 2, 2017

Effective
Feb 5, 2019

Last action
Mar 19, 2019
FCC actions (8)
- Mar 19, 2019 — License canceled LICAN
- Feb 5, 2019 — Administrative update LIAUA
- Feb 2, 2019 — Administrative update LIAUA
- Jan 31, 2019 — Administrative update LIAUA
- Nov 20, 2018 — Administrative update LIAUA
- May 8, 2018 — Administrative update LIAUA
- Dec 2, 2017 — Vanity call sign granted VANGRT
- Dec 2, 2017 — License issued LIISS
K2LOW Canceled General · vanity Aug 5, 2017 → Dec 2, 2017 (canceled)

Licensee
Matthew G Robertson

Address
3517 Stack Rd
Monroe, NC 28112
34.8899, -80.5495 (ZIP center) · Grid EM94rv · CQ 5 · ITU 8 · map ↗

FRN
0003199999

Previous call
K4RSE (Technician)

Last granted
Aug 5, 2017

Effective
Aug 5, 2017

Last action
Dec 2, 2017
FCC actions (3)
- Dec 2, 2017 — License canceled LICAN
- Aug 5, 2017 — Vanity call sign granted VANGRT
- Aug 5, 2017 — License issued LIISS
K4RSE Canceled General · vanity Jun 3, 2017 → Aug 5, 2017 (canceled)

Licensee
Matthew G Robertson

Address
3517 Stack Rd
Monroe, NC 28112
34.8899, -80.5495 (ZIP center) · Grid EM94rv · CQ 5 · ITU 8 · map ↗

FRN
0003199999

Previous call
KC4LDS (Technician)

Last granted
Jun 3, 2017

Effective
Jun 3, 2017

Last action
Aug 5, 2017
FCC actions (3)
- Aug 5, 2017 — License canceled LICAN
- Jun 3, 2017 — Vanity call sign granted VANGRT
- Jun 3, 2017 — License issued LIISS
KC4LDS Canceled General · vanity Mar 31, 2017 → Jun 3, 2017 (canceled)

Licensee
Matthew G Robertson

Address
3517 Stack Rd
Monroe, NC 28112
34.8899, -80.5495 (ZIP center) · Grid EM94rv · CQ 5 · ITU 8 · map ↗

FRN
0003199999

Previous call
W7MGR (Technician)

Last granted
Mar 31, 2017

Effective
Mar 31, 2017

Last action
Jun 3, 2017
FCC actions (3)
- Jun 3, 2017 — License canceled LICAN
- Mar 31, 2017 — Vanity call sign granted VANGRT
- Mar 31, 2017 — License issued LIISS
W7MGR Canceled General · vanity Nov 28, 2015 → Mar 31, 2017 (canceled)

Licensee
Matthew G Robertson

Address
3517 Stack Rd
Monroe, NC 28112
34.8899, -80.5495 (ZIP center) · Grid EM94rv · CQ 5 · ITU 8 · map ↗

FRN
0003199999

Previous call
N4MGR (Technician)

Last granted
Nov 28, 2015

Effective
Mar 9, 2017

Last action
May 16, 2024
FCC actions (5)
- Mar 31, 2017 — License canceled LICAN
- Mar 9, 2017 — Administrative update LIAUA
- Aug 27, 2016 — Administrative update LIAUA
- Nov 28, 2015 — Vanity call sign granted VANGRT
- Nov 28, 2015 — License issued LIISS
N4MGR Canceled General · vanity May 2, 2014 → Nov 28, 2015 (canceled)

Licensee
Matthew G Robertson

Address
3517 Stack Rd
Monroe, NC 28112
34.8899, -80.5495 (ZIP center) · Grid EM94rv · CQ 5 · ITU 8 · map ↗

FRN
0003199999

Previous call
KK4YYF (Technician)

Last granted
May 2, 2014

Effective
May 2, 2014

Last action
Nov 28, 2015
FCC actions (3)
- Nov 28, 2015 — License canceled LICAN
- May 2, 2014 — Vanity call sign granted VANGRT
- May 2, 2014 — License issued LIISS
KK4YYF Canceled General Apr 16, 2013 → May 2, 2014 (canceled)

Licensee
Matthew G Robertson

Address
3517 Stack Rd
Monroe, NC 28112
34.8899, -80.5495 (ZIP center) · Grid EM94rv · CQ 5 · ITU 8 · map ↗

FRN
0003199999

Previous call
K4IGY (Technician)

Last granted
Apr 16, 2013

Effective
Mar 7, 2014

Last action
May 2, 2014
FCC actions (3)
- May 2, 2014 — License canceled LICAN
- Mar 7, 2014 — Systematic call sign granted SYSGRT
- Mar 7, 2014 — License issued LIISS
K4IGY Canceled General · vanity Apr 16, 2013 → Mar 7, 2014 (canceled)

Licensee
Matthew G Robertson

Address
3517 Stack Rd
Monroe, NC 28112
34.8899, -80.5495 (ZIP center) · Grid EM94rv · CQ 5 · ITU 8 · map ↗

FRN
0003199999

Previous call
W7MGR (Technician)

Last granted
Apr 16, 2013

Effective
Apr 16, 2013

Last action
Mar 7, 2014
FCC actions (3)
- Mar 7, 2014 — License canceled LICAN
- Apr 16, 2013 — Vanity call sign granted VANGRT
- Apr 16, 2013 — License issued LIISS
📦 Moved: Salt Lake City, UT → Monroe, NC

W7MGR Canceled General · vanity Jul 15, 2011 → Apr 16, 2013 (canceled)

Licensee
Matthew G Robertson

Address
6011 Page Mar Dr
Monroe, NC 28112
34.8899, -80.5495 (ZIP center) · Grid EM94rv · CQ 5 · ITU 8 · map ↗

FRN
0003199999

Previous call
W5QHA (Technician)

Last granted
Jul 15, 2011

Effective
Feb 24, 2012

Last action
May 16, 2024
FCC actions (5)
- Apr 16, 2013 — License canceled LICAN
- Feb 24, 2012 — Administrative update LIAUA
- Jan 27, 2012 — Administrative update LIAUA
- Jul 15, 2011 — Vanity call sign granted VANGRT
- Jul 15, 2011 — License issued LIISS
📦 Moved: Silver City, NM → Salt Lake City, UT

W5QHA Canceled General · vanity Oct 22, 2010 → Jul 15, 2011 (canceled)

Licensee
Matthew G Robertson

Address
32 West 200 South; Apt. 217
Salt Lake City, UT 84101
40.7563, -111.9000 (ZIP center) · Grid DN40bs · CQ 3 · ITU 6 · map ↗

FRN
0003199999

Previous call
KC5CTR (Technician)

Last granted
Oct 22, 2010

Effective
Jun 24, 2011

Last action
Jul 15, 2011
FCC actions (5)
- Jul 15, 2011 — License canceled LICAN
- Jun 24, 2011 — Administrative update LIAUA
- Jun 21, 2011 — Administrative update LIAUA
- Oct 22, 2010 — Vanity call sign granted VANGRT
- Oct 22, 2010 — License issued LIISS
KC5CTR Canceled General · vanity Jul 20, 2010 → Oct 22, 2010 (canceled)

Licensee
Matthew G Robertson

Address
58 Kirkland Rd
Silver City, NM 88061
32.6285, -108.4064 (ZIP center) · Grid DM52tp · CQ 4 · ITU 7 · map ↗

FRN
0003199999

Previous call
W2MGY (Technician)

Last granted
Jul 20, 2010

Effective
Jul 20, 2010

Last action
Oct 22, 2010
FCC actions (3)
- Oct 22, 2010 — License canceled LICAN
- Jul 20, 2010 — Vanity call sign granted VANGRT
- Jul 20, 2010 — License issued LIISS
W2MGY Canceled General · vanity Apr 2, 2010 → Jul 20, 2010 (canceled)

Licensee
Matthew G Robertson

Address
58 Kirkland Rd
Silver City, NM 88061
32.6285, -108.4064 (ZIP center) · Grid DM52tp · CQ 4 · ITU 7 · map ↗

FRN
0003199999

Previous call
N4MGR (Technician)

Last granted
Apr 2, 2010

Effective
Apr 2, 2010

Last action
Jul 20, 2010
FCC actions (3)
- Jul 20, 2010 — License canceled LICAN
- Apr 2, 2010 — Vanity call sign granted VANGRT
- Apr 2, 2010 — License issued LIISS
📦 Moved: Monroe, NC → Silver City, NM

N4MGR Canceled General · vanity Feb 20, 2004 → Apr 2, 2010 (canceled)

Licensee
Matthew G Robertson

Address
58 Kirkland Rd
Silver City, NM 88061
32.6285, -108.4064 (ZIP center) · Grid DM52tp · CQ 4 · ITU 7 · map ↗

FRN
0003199999

Previous call
KC9EPC (Technician)

Last granted
Feb 20, 2004

Effective
Mar 10, 2010

Last action
Apr 2, 2010
FCC actions (13)
- Apr 2, 2010 — License canceled LICAN
- Mar 10, 2010 — Administrative update LIAUA
- Feb 24, 2010 — Administrative update LIAUA
- Nov 17, 2009 — Administrative update LIAUA
- Feb 12, 2009 — Administrative update LIAUA
- Mar 5, 2007 — License modified LIMOD
- Feb 3, 2006 — Administrative update LIAUA
- Sep 16, 2005 — Administrative update LIAUA
- Oct 19, 2004 — Administrative update LIAUA
- Oct 16, 2004 — Administrative update LIAUA
- Oct 13, 2004 — Administrative update LIAUA
- Feb 20, 2004 — Vanity call sign granted VANGRT
- Feb 20, 2004 — License issued LIISS
📦 Moved: Chicago, IL → Monroe, NC

KC9EPC Canceled Technician Oct 5, 1998 → Feb 20, 2004 (canceled)

Licensee
MATTHEW G ROBERTSON

Address
3517 Stack Rd
Monroe, NC 28112-8951
34.8899, -80.5495 (ZIP center) · Grid EM94rv · CQ 5 · ITU 8 · map ↗

FRN
0003199999

Previous call
KI4BRB

Last granted
Oct 5, 1998

Effective
Nov 18, 2003

Last action
Feb 20, 2004
FCC actions (5)
- Feb 20, 2004 — License canceled LICAN
- Nov 18, 2003 — Administrative update LIAUA
- Aug 26, 2003 — Administrative update LIAUA
- Jul 30, 2003 — Systematic call sign granted SYSGRT
- Jul 30, 2003 — License issued LIISS
KI4BRB Canceled Technician Oct 5, 1998 → Jul 30, 2003 (canceled)

Licensee
MATTHEW G ROBERTSON

Address
Attn: Barbara Hornkohl
2838 W. Addison St. #2F
Chicago, IL 60617-4619
41.7144, -87.5558 (ZIP center) · Grid EN61fr · CQ 4 · ITU 8 · map ↗

FRN
0003199999

Previous call
W5HAT

Last granted
Oct 5, 1998

Effective
Jul 30, 2003

Last action
Jul 30, 2003
FCC actions (4)
- Jul 30, 2003 — License canceled LICAN
- Jul 30, 2003 — Administrative update LIAUA
- Jul 29, 2003 — Systematic call sign granted SYSGRT
- Jul 29, 2003 — License issued LIISS
📦 Moved: , None → Chicago, IL

W5HAT Canceled Technician · vanity Oct 5, 1998 → Jul 29, 2003 (canceled)

Licensee
MATTHEW G ROBERTSON

Address
Attn: Barbara Hornkohl
2838 W. Addison St.
Chicago, IL 60617
41.7144, -87.5558 (ZIP center) · Grid EN61fr · CQ 4 · ITU 8 · map ↗

FRN
0003199999

Previous call
KF4TBS

Last granted
Oct 5, 1998

Effective
Sep 29, 2001

Last action
Mar 13, 2024
FCC actions (4)
- Jul 29, 2003 — License canceled LICAN
- Sep 29, 2001 — Administrative update LIAUA
- Oct 28, 1999 — Administrative update LIAUA
- Aug 24, 1999 — Administrative update LIAUA
KF4TBS Canceled Technician → Oct 5, 1998 (canceled)

Licensee
MATTHEW G ROBERTSON

Address

Last granted

Effective

Last action

Address history

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

Seen Sep 27, 2026 → Oct 4, 2026 · 2 snapshots · as W0XLR
Matthew G Robertson
1402 Clarke St, Old Hickory, TN 37138
36.2564, -86.6453 (street) · Grid EM66qg · CQ 4 · ITU 8 · map ↗
Seen Sep 27, 2024 → Oct 4, 2026 · 13 snapshots · as W0ALB
Alexander L Ben-Ami
102 Witten Cir Apt B, Havelock, NC 28532-1850
34.9050, -76.8867 (ZIP center) · Grid FM14nv · CQ 5 · ITU 8 · map ↗
Seen Apr 27, 2024 → Oct 4, 2026 · 13 snapshots · as W7MGR
Matthew G Robertson
102 Witten Cir Apt B, Havelock, NC 28532-1850
34.9050, -76.8867 (ZIP center) · Grid FM14nv · CQ 5 · ITU 8 · map ↗
Seen Apr 16, 2022 → Oct 4, 2026 · 13 snapshots · as W7MGR
Matthew G Robertson
PO Box 50934
Idaho Falls, ID 83405-0934
Seen Apr 16, 2022 → Oct 4, 2026 · 13 snapshots · as KS4ALT
Matthew G Robertson
106 Tarheel Dr, Havelock, NC 28532-1750
34.9050, -76.8867 (ZIP center) · Grid FM14nv · CQ 5 · ITU 8 · map ↗
Seen Apr 16, 2022 → Oct 4, 2026 · 13 snapshots · as W8MGR
Matthew G Robertson
518 W. Wayne St, Lima, OH 45801
40.7729, -84.0341 (ZIP center) · Grid EN70xs · CQ 4 · ITU 8 · map ↗
Seen May 6, 2019 → Oct 4, 2026 · 54 snapshots · as N4MGR
Matthew G Robertson
1112 Coble Dr, Borger, TX 79007
35.6683, -101.4122 (ZIP center) · Grid DM95hq · CQ 4 · ITU 7 · map ↗
Seen May 28, 2012 → Oct 4, 2026 · 45 snapshots · as W7MGR
Matthew G Robertson
6011 Page Mar Dr, Monroe, NC 28112
34.8899, -80.5495 (ZIP center) · Grid EM94rv · CQ 5 · ITU 8 · map ↗
Seen Oct 17, 2011 → Oct 4, 2026 · 48 snapshots · as W5QHA
Matthew G Robertson
32 West 200 South; Apt. 217, Salt Lake City, UT 84101
40.7563, -111.9000 (ZIP center) · Grid DN40bs · CQ 3 · ITU 6 · map ↗
Seen May 27, 2010 → Oct 4, 2026 · 140 snapshots · as N4MGR
Matthew G Robertson
58 Kirkland Rd, Silver City, NM 88061
32.6285, -108.4064 (ZIP center) · Grid DM52tp · CQ 4 · ITU 7 · map ↗
Seen Nov 7, 2004 → Oct 4, 2026 · 48 snapshots · as KF4TBS
MATTHEW G ROBERTSON
Seen Nov 7, 2004 → Oct 4, 2026 · 48 snapshots · as W5HAT
MATTHEW G ROBERTSON
Attn: Barbara Hornkohl
2838 W. Addison St., Chicago, IL 60617
41.7144, -87.5558 (ZIP center) · Grid EN61fr · CQ 4 · ITU 8 · map ↗
Seen Nov 7, 2004 → Oct 4, 2026 · 48 snapshots · as KI4BRB
MATTHEW G ROBERTSON
Attn: Barbara Hornkohl
2838 W. Addison St. #2F, Chicago, IL 60617-4619
41.7144, -87.5558 (ZIP center) · Grid EN61fr · CQ 4 · ITU 8 · map ↗
Seen Nov 7, 2004 → Oct 4, 2026 · 251 snapshots · as KC9EPC
MATTHEW G ROBERTSON
3517 Stack Rd, Monroe, NC 28112-8951
34.8899, -80.5495 (ZIP center) · Grid EM94rv · CQ 5 · ITU 8 · map ↗
Seen Sep 3, 2018 · 1 snapshot · as N4MGR
Matthew G Robertson
401 E. 8th St. Ste 214 PMB 1444, Sioux Falls, SD 57103
43.5380, -96.6920 (ZIP center) · Grid EN13pm · CQ 4 · ITU 7 · map ↗
Seen Nov 4, 2016 → Feb 15, 2017 · 4 snapshots · as W7MGR
Matthew G Robertson
2974 US Hwy 117, Dudley, NC 28112
34.8899, -80.5495 (ZIP center) · Grid EM94rv · CQ 5 · ITU 8 · map ↗
Seen Nov 7, 2004 · 1 snapshot · as N4MGR
MATTHEW G ROBERTSON
3601 Stack Rd, Monroe, NC 28112-8952
34.8899, -80.5495 (ZIP center) · Grid EM94rv · CQ 5 · ITU 8 · map ↗

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for KI4BRB in the last 24 hours. They show up here within seconds of KI4BRB beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.