N9TPB FCC License Search

🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 8, 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 · old CB calls like KHC1939 or 18Q3518 (1962–63 CB call books) · (205) 546-1767 (1990s CB directory phones)

K9ZY HAM

Amateur Extra class licensed since 2001 (25 yrs) K9ZY since 2002 · previously KD7OYI Columbia, SC Grid EM93nx Active on 5 nets 60 repeaters within 50 mi

🔒 Not available — currently licensed, through Mar 29, 2032. If it isn't renewed, it opens for vanity requests Mar 30, 2034.

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

📝 K9ZY has filed vanity applications before — latest filed Dec 10, 2024 · what was requested

Currently held by Mark E Engebretsen · 1 holder on record

🗓 Active on 5 nets · last heard Sep 26, 2026

Current holder: Mark E Engebretsen

Held K9ZY Mar 29, 2002 → present · first licensed Nov 19, 2001 as KD7OYI · 2 licenses · FRN 0005546338

📦 Moved: North Salt Lake, UT → Columbia, SC

K9ZY Active Amateur Extra · vanity Mar 29, 2002 → expires Mar 29, 2032

Licensee
Mark E Engebretsen

Address
Attn: Mark Engebretsen
2320 Exton Shore Dr
Columbia, SC 29209
33.9728, -80.9083 (street) · Grid EM93nx · CQ 5 · ITU 8 · map ↗

FRN
0005546338

Previous call
KD7OYI (General)

Last granted
Feb 2, 2022

Effective
Nov 25, 2025

Last action
Nov 25, 2025
FCC actions (12)
- Nov 25, 2025 — Administrative update LIAUA
- Feb 2, 2022 — License renewed LIREN
- Oct 10, 2019 — Administrative update LIAUA
- Aug 27, 2019 — Administrative update LIAUA
- Feb 5, 2015 — Administrative update LIAUA
- Jul 3, 2014 — Administrative update LIAUA
- Sep 25, 2012 — Administrative update LIAUA
- Jan 5, 2012 — License renewed LIREN
- Sep 30, 2003 — Administrative update LIAUA
- Jun 17, 2003 — Administrative update LIAUA
- Mar 29, 2002 — Vanity call sign granted VANGRT
- Mar 29, 2002 — License issued LIISS
KD7OYI Canceled Amateur Extra Nov 19, 2001 → Mar 29, 2002 (canceled)

Licensee
Mark E Engebretsen

Address
164 S Eaglewood Dr
North Salt Lake, UT 84054
40.8386, -111.9179 (ZIP center) · Grid DN40au · CQ 3 · ITU 6 · map ↗

FRN
0005546338

Last granted
Nov 19, 2001

Effective
Dec 20, 2001

Last action
Mar 29, 2002
FCC actions (4)
- Mar 29, 2002 — License canceled LICAN
- Dec 20, 2001 — License modified LIMOD
- Nov 27, 2001 — License modified LIMOD
- Nov 19, 2001 — License issued LIISS

Callbook Records, 1993–2003

From the FCC amateur database as published on the QRZ! callsign CD-ROMs, 1993–2003, before and alongside the FCC's online records (which start in 1999). "Seen" dates are the first and last disc showing that record; the issue date is the FCC's, so it can be a renewal of an even older license.

Seen Apr 27, 2002 → Apr 17, 2003 · 3 discs
K9ZY · Amateur Extra · issued Mar 29, 2002, expires Mar 29, 2012 · previously KD7OYI
MARK E ENGEBRETSEN
164 S EAGLEWOOD DR, NORTH SALT LAKE, UT 84054

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 K9ZY
Mark E Engebretsen
Attn: Mark Engebretsen
2320 Exton Shore Dr, Columbia, SC 29209
33.9728, -80.9083 (street) · Grid EM93nx · CQ 5 · ITU 8 · map ↗
Seen Nov 7, 2004 → Oct 4, 2026 · 48 snapshots · as KD7OYI
Mark E Engebretsen
164 S Eaglewood Dr, North Salt Lake, UT 84054
40.8386, -111.9179 (ZIP center) · Grid DN40au · CQ 3 · ITU 6 · map ↗
Seen Apr 16, 2022 → Sep 25, 2025 · 11 snapshots · as K9ZY
Mark E Engebretsen
Attn: Mark Engebretsen
1225 98TH LN SE, Olympia, WA 98501
46.9785, -122.8759 (ZIP center) · Grid CN86nx · CQ 3 · ITU 6 · map ↗
Seen Mar 28, 2015 → May 6, 2019 · 23 snapshots · as K9ZY
Mark E Engebretsen
Attn: Mark E Engebretsen
5138 Olivehurst Way, Elk Grove, CA 95758
38.4297, -121.4452 (ZIP center) · Grid CM98gk · CQ 3 · ITU 6 · map ↗
Seen Feb 18, 2013 → May 22, 2014 · 6 snapshots · as K9ZY
Mark E Engebretsen
Attn: Mark E Engebretsen
705 Summit Lakes Way, Galt, CA 95632
38.2745, -121.2592 (ZIP center) · Grid CM98ig · CQ 3 · ITU 6 · map ↗
Seen Nov 7, 2004 → Jul 26, 2012 · 6 snapshots · as K9ZY
Mark E Engebretsen
Attn: Mark E Engebretsen
703 Summit Lakes Way, Galt, CA 95632
38.2745, -121.2592 (ZIP center) · Grid CM98ig · CQ 3 · ITU 6 · map ↗

Earlier Holders

K9ZY in the 1993–2003 Callbooks

Seen Oct 27, 1996 · 1 disc
K9ZY · Club / other

K9ZY in the Printed Callbooks, 1909–1997

From scanned copies of the printed callbooks (government lists from 1913, then the Radio Amateur Callbook to 1997), read by OCR, so names and streets can carry typos. Each line is one or more editions in a row showing the same name at the same address.

1997 · 1 edition
K9ZY · class G
Ward R Prnlock
1814 Alta Vista Ave, Milwaukee, WI 53113
1997 p.1
1996 · 1 edition
K9ZY · class G
Ward Rpollock
1814 Alta Vista Ave, Milwaukee
Winter 1996 p.1911

Vanity Applications Filed by K9ZY

Calls this licensee has asked the FCC for, newest first, in their order of preference. The FCC processes applications 18 days after filing; "likely award" is our estimate from every pending application in filing order.

Filed · Award	Applicant	Requested (in order)	Status
Filed Dec 10, 2024 Award date was Dec 28, 2024 0011360918	K9ZY · Mark E Engebretsen · Amateur Extra Attn: Mark Engebretsen · 1225 98TH LN SE, Olympia, WA 98501 46.9785, -122.8759 (ZIP center) · Grid CN86nx · CQ 3 · ITU 6 · map ↗	1.K7AP Held by EDGARDO J SANCHEZ until Dec 28, 2034 2.N7VC	Dismissed
Filed Nov 14, 2024 Award date was Dec 2, 2024 0011329736	K9ZY · Mark E Engebretsen · Amateur Extra Attn: Mark Engebretsen · 1225 98TH LN SE, Olympia, WA 98501 46.9785, -122.8759 (ZIP center) · Grid CN86nx · CQ 3 · ITU 6 · map ↗	1.K7AP Held by EDGARDO J SANCHEZ until Dec 28, 2034 2.K7MA Held by RODNEY W JENSEN until Nov 13, 2034	Dismissed
Filed Jan 30, 2002 Granted Feb 2, 2022 0000679403	KD7OYI · Mark E Engebretsen · Amateur Extra 164 S Eaglewood Dr, North Salt Lake, UT 84054 40.8386, -111.9179 (ZIP center) · Grid DN40au · CQ 3 · ITU 6 · map ↗	1.K0RM Held by JEFFREY W RYAN until Mar 20, 2032 2.K9ZY ✓ Granted 3.K6RA Held by BRUCE A HEIMLICH until Mar 26, 2032 4.K3QX Held by Edward H Herbrechtsmeier until Mar 16, 2034 5.K3QY Held by FORT ARMSTRONG WIRELESS ASSOCIATION until Sep 25, 2032 6.K3QZ Held by Edward M Gotkiewicz until Jan 11, 2035 7.K2XME Never issued	Granted got K9ZY

Others Requesting K9ZY

10 applications listed K9ZY as a choice, newest first.

Filed	Award	Applicant	Choice #	K9ZY	Result
Jan 30, 2002	Feb 17, 2002	KD7OYI · Mark E Engebretsen · North Salt Lake, UT	2	Granted	Granted this call
Jul 17, 2001	Aug 4, 2001	KY1Z · HOMER R STANLEY · Quincy, IL	2	Not granted	They got K9QY (choice 1)
Jun 1, 2001	Jun 19, 2001	WB9MDM · DIRK B WOLGAST · OSWEGO, IL	20	Not granted	They got W9QA (choice 1)
May 24, 2001	Jun 11, 2001	N9XDU · DARYL R DEZARN · CAMBY, IN	5	Not granted	They got K9ZI (choice 1)
Mar 5, 2001	Mar 23, 2001	KB9YFD · Robert L Read · Batavia, IL	9	Not granted	They got K1IY (choice 1)
Jan 26, 2001	Feb 13, 2001	WA4OUH · WILLIAM B WRIGHT · TITUSVILLE, FL	17	Not granted	They got W9IY (choice 1)
Dec 7, 2000	Dec 25, 2000	WF5P · MIKEAL R HUGHES · LOWELL, IN	18	Dismissed	Application dismissed
Nov 13, 2000	Dec 1, 2000	WD9CIJ · STEPHEN S KARNES · CHAMPAIGN, IL	8	Not granted	They got K9HY (choice 1)
Jun 5, 2000	Jun 23, 2000	WB9YHB · KEVIN P KOLPITCKE · WAUSAU, WI	16	Not granted	They got K9EV (choice 1)
Jun 5, 2000	Jun 23, 2000	N9LUR · FRED M DIAMOND · GLENVIEW, IL	23	Not granted	They got K9OD (choice 2)

Nets

Net	When	Frequency	Role	Times	Last
YL SYSTEM 3RD PERIOD	Weekdays 10:00 AM ET	14.332	Checked in	3	2026-09-25
the N0SWR net	Mon, Tue, Wed, Fri, Sat 5:45 PM · Mon, Tue, Thu, Fri 6:00 PM · Mon, Wed, Thu 5:00 PM CT	7.185	Checked in	1	2026-09-26
YL System Moonbeam	Weekdays 4:00 PM ET	14.332	Checked in	1	2026-09-25
YL System 1st Period	Weekdays 9:00 AM · Mon, Wed, Thu, Fri 8:45 AM CT	14.332	Checked in	1	2026-09-25
USTNET 40m Net	Thu 10:30 PM UTC	7.245	Checked in	1	2026-09-10

From nets logged with NetLogger since the start of collection.

📡 On the Air: APRS, Digital & WSPR Spots

No APRS positions, PSK Reporter reports or WSPR spots for K9ZY in the last 24 hours. They show up here within seconds of K9ZY beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.

Repeaters within 50 Miles

60 repeaters within 50 miles of this address, most active 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)

Miles	Call	Name	Output	Offset	Tone	Mode	Networks	Activity	Location
7.6	W4FTK	Columbia W4FTK AllStar	442.8750	+5	DCS 315	FM (analog)	AllStar 40040 EchoLink 367365 🗓 2 nets	2 nets · 643 check-ins · 265 stations	Columbia, SC
17.1	W4FTK	Blythewood W4FTK AllStar	443.6500	+5	DCS 315	FM (analog)	AllStar 40040 EchoLink 367365 🗓 2 nets	2 nets · 643 check-ins · 265 stations	Blythewood, SC
23.2	W4FTK	Wedgefield W4FTK AllStar	147.0600	+0.6	DCS 315	FM (analog)	AllStar 40040 EchoLink 367365 🗓 2 nets	2 nets · 643 check-ins · 265 stations	Wedgefield, SC
32.1	W4FTK	Little Mountain W4FTK AllStar	146.6250	-0.6	DCS 315	FM (analog)	AllStar 40040 EchoLink 367365 🗓 2 nets	2 nets · 643 check-ins · 265 stations	Little Mountain, SC
32.1	W4FTK	Little Mt W4FTK AllStar	443.8750	+5	DCS 315	FM (analog)	AllStar 40040 EchoLink 367365 🗓 2 nets	2 nets · 643 check-ins · 265 stations	Little Mt, SC
35.9	W4FTK	Sumter W4FTK AllStar	443.3000	+5	DCS 315	FM (analog)	AllStar 40040 EchoLink 367365 🗓 2 nets	2 nets · 643 check-ins · 265 stations	Sumter, SC
47.6	W4FTK	Saluda Sheriffs W4FTK AllStar	147.7500	-0.6	TONE 123.0	FM (analog)	AllStar EchoLink 🗓 2 nets	2 nets · 643 check-ins · 265 stations	Saluda, SC
7.5	WR4SC	Columbia Capital WR4SC NC-PRN	440.6125	+5	CC1	DMR	NC-PRN 🗓 2 nets	2 nets · 254 check-ins · 104 stations	Columbia, SC
10.2	WR4SC	Columbia WR4SC	441.7250	+5	TONE 91.5	FM (analog)	🗓 2 nets	2 nets · 254 check-ins · 104 stations	Columbia, SC
10.2	WR4SC	Columbia WR4SC NC-PRN	442.5125	+5	CC1	DMR	NC-PRN 🗓 2 nets	2 nets · 254 check-ins · 104 stations	Columbia, SC
30.0	WR4SC	Little Mountain WR4SC NC-PRN	443.5375	+5	CC1	DMR	NC-PRN 🗓 2 nets	2 nets · 254 check-ins · 104 stations	Little Mountain, SC
30.1	WR4SC	Orangeburg WR4SC	146.8800	-0.6	TSQL 123.0	FM (analog)	🗓 2 nets	2 nets · 254 check-ins · 104 stations	Orangeburg, SC
30.1	WR4SC	Orangeburg WR4SC NC-PRN	440.5875	+5	CC1	DMR	NC-PRN 🗓 2 nets	2 nets · 254 check-ins · 104 stations	Orangeburg, SC
30.1	WR4SC	Orangeburg WR4SC	441.7500	+5	TONE 123.0	FM (analog)	🗓 2 nets	2 nets · 254 check-ins · 104 stations	Orangeburg, SC
32.7	WR4SC	Sumter WR4SC	147.0150	+0.6	TSQL 156.7	FM (analog)	🗓 2 nets	2 nets · 254 check-ins · 104 stations	Sumter, SC
32.7	WR4SC	Little Mountain WR4SC	147.2100	+0.6	TSQL 156.7	FM (analog)	🗓 2 nets	2 nets · 254 check-ins · 104 stations	Little Mountain, SC
37.1	WR4SC	Sumter WR4SC NC-PRN	442.3125	+5	CC1	DMR	NC-PRN 🗓 2 nets	2 nets · 254 check-ins · 104 stations	Sumter, SC
7.2	W4CAE	Fort Jackson W4CAE	146.7750	-0.6	TSQL 156.7	FM (analog)	🗓 2 nets	2 nets · 93 check-ins · 43 stations	Fort Jackson, SC
7.5	W4CAE	Columbia W4CAE AllStar	147.3300	+0.6	TSQL 156.7	FM (analog)	AllStar 494460 🗓 2 nets	2 nets · 93 check-ins · 43 stations	Columbia, SC
22.6	K4LLE	Lexington S K4LLE	147.0000	+0.6	TSQL 123.0	FM (analog) (FM,P25)	🗓 3 nets	3 nets · 89 check-ins · 31 stations	Lexington, SC
49.8	W4PSC	Leslie W4PSC	444.7250	+5	DCS 156	FM (analog)	🗓 1 net	1 net · 25 check-ins · 9 stations	Leslie, SC
35.6	W4RRC	Leesville W4RRC AllStar	147.2550	+0.6	TONE 123.0	FM (analog)	AllStar 50790 🗓 1 net	1 net · 10 check-ins · 10 stations	Leesville, SC
4.7	KJ4BWK	Columbia KJ4BWK	442.2000	+5	none	D-STAR		—	Columbia, SC
4.7	KJ4BWK	Columbia KJ4BWK	1282.2250	+12	none	D-STAR		—	Columbia, SC
7.5	K4HI	Columbia K4HI WIRES-X	147.3600	+0.6	TSQL 100.0	FM (analog)	WIRES-X 64927	—	Columbia, SC
7.5	K9OH	Columbia K9OH AllStar	444.8750	+5	TSQL 91.5	FM (analog)	AllStar 417861	—	Columbia, SC
7.5	N4EOY Offline	Columbia N4EOY	224.9000	-1.6	none	FM (analog)		—	Columbia, SC
7.7	W4EAE	Cayce W4EAE	433.1000	+5	CC1	DMR		—	Cayce, SC
7.7	W4EAE	Cayce W4EAE	443.1000	+5	none	D-STAR (DMR,DV)		—	Cayce, SC
9.5	W4EAE Offline	Cayce W4EAE IRLP	147.5100	simplex	TSQL 131.8	FM (analog)	IRLP 8255	—	Cayce, SC
12.8	W4DZF	Columbia St W4DZF	145.2700	-0.6	DCS 632	FM (analog)		—	Columbia, SC
14.0	KI4IVP	Elgin KI4IVP WIRES-X	147.2400	+0.6	TSQL 103.5	FM (analog) (FM,C4FM)	WIRES-X 18449	—	Elgin, SC
15.7	KG4GKY Offline	West Columbia KG4GKY IRLP	446.8750	simplex	TSQL 79.7	FM (analog)	IRLP 4045	—	West Columbia, SC
20.6	KI4RAX	Lugoff KI4RAX	146.8200	-0.6	TSQL 91.5	FM (analog) (FM,C4FM)		—	Lugoff, SC
20.6	KI4RAX	Lugoff KI4RAX	441.8000	+5	none	D-STAR (DV,DMR)		—	Lugoff, SC
20.7	KJ4BWK	Saint Matthews KJ4BWK	145.4000	-0.6	none	D-STAR		—	Saint Matthews, SC
22.0	N7GZT	Saint Hemlock rd N7GZT AllStar	442.7750	+5	TSQL 156.7	FM (analog)	AllStar 637120	—	Saint Matthews, SC
22.6	AD4U	Saint Matthews AD4U	146.6700	-0.6	TSQL 156.7	FM (analog)		—	Saint Matthews, SC
22.6	N7GZT	Saint Matthews N7GZT	53.2100	-1	none	FM (analog)		—	Saint Matthews, SC
29.0	W4GL	Wedgefield W4GL	145.4300	-0.6	TSQL 156.7	FM (analog)		—	Wedgefield, SC
29.5	W4GL	Sumter W4GL	441.9500	+5	none	D-STAR		—	Sumter, SC
29.6	N5CWH	Gilbert N5CWH	146.6550	-0.6	TSQL 156.7	FM (analog)		—	Gilbert, SC
29.6	KC4GYM	Gilbert KC4GYM IRLP	224.5600	-1.6	TSQL 162.2	FM (analog)	IRLP 4109	—	Gilbert, SC
29.8	KJ4QLH	Orangeburg /Calh KJ4QLH	147.3900	+0.6	TSQL 156.7	FM (analog)		—	Orangeburg, SC
32.7	W4GL	Sumter Tuomey W4GL	146.6400	-0.6	TONE 156.7	FM (analog)		—	Sumter, SC
32.7	W4GL	Sumter WRJA W4GL	444.1500	+5	TSQL 123.0	FM (analog) (FM,DV)		—	Sumter, SC
32.7	N4UHF	Little Mountain N4UHF	444.6500	+5	CC0	DMR		—	Little Mountain, SC
32.8	KJ4QLH	Neeses KJ4QLH	147.0900	+0.6	TONE 156.7	FM (analog)		—	Neeses, SC
34.9	KG4UAL	Leesville KG4UAL AllStar	444.4000	+5	DCS 315	FM (analog)	AllStar 558721	—	Leesville, SC
37.1	W4GL	Sumter W4GL	147.0150	+0.6	TSQL 156.7	FM (analog)		—	Sumter, SC
39.4	W4APE Offline	Lucknow W4APE EchoLink	146.9250	-0.6	TONE 123.0	FM (analog)	EchoLink 779467	—	Lucknow, SC
41.4	KQ4NOR	Glymphville KQ4NOR AllStar	146.9550	simplex	TONE 186.2	FM (analog)	AllStar 66357	—	Glymphville, SC
41.6	KF4NQN	Monettta KF4NQN AllStar	446.6000	-5	TONE 156.7	FM (analog)	AllStar 28575	—	Monettta, SC
43.9	N7GZT	Vance N7GZT AllStar	442.2000	+5	DCS 023	FM (analog)	AllStar 637122 AllStar 637121	—	Vance, SC
44.1	KA4GDW	Bowman KA4GDW	224.7800	-1.6	TSQL 179.9	FM (analog)		—	Bowman, SC
44.6	KM4ABW	Manning Hosp KM4ABW	145.1500	-0.6	TSQL 91.5	FM (analog)		—	Manning, SC
44.8	KA4GDW	Bowman KA4GDW	146.8350	-0.6	TSQL 179.9	FM (analog)		—	Bowman, SC
46.3	K1LVA	Aiken K1LVA AllStar	145.7700	simplex	TONE 131.8	FM (analog)	AllStar 28249 EchoLink 179307	—	Aiken, SC
46.5	KJ4QLH	Vance KJ4QLH	146.8050	-0.6	TSQL 156.7	FM (analog)		—	Vance, SC
47.3	WB4TGK	Bamberg WB4TGK	145.3300	-0.6	TONE 156.7	FM (analog)		—	Bamberg, SC