N9TPB FCC License Search

🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 11, 2026) · next update today 9:45 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)

AD0HJ HAM

Amateur Extra class licensed since 2014 (12 yrs) AD0HJ since 2014 · previously KD0ZBS Jackson, MN Grid EN23mo Active on 3 nets LoTW user eQSL AG On APRS 5 min ago 23 repeaters within 50 mi

🔒 Not available — currently licensed, through Feb 13, 2034. If it isn't renewed, it opens for vanity requests Feb 14, 2036.

📬 QSL: LoTW user · last upload Sep 15, 2026 · eQSL AG member · QRZ · HamQTH

Currently held by Mitchell L Ahrenstorff · 1 holder on record

🗓 Active on 3 nets · net control for 2 · last heard Oct 7, 2026

Current holder: Mitchell L Ahrenstorff

Held AD0HJ Feb 27, 2014 → present · first licensed Feb 13, 2014 as KD0ZBS · 2 licenses · FRN 0023355381

📦 Moved: Breezy Point, MN → Jackson, MN

AD0HJ Active Amateur Extra Feb 27, 2014 → expires Feb 13, 2034

Licensee
Mitchell L Ahrenstorff

Address
806 Brown Street
JACKSON, MN 56143-1010
43.6239, -94.9938 (street) · Grid EN23mo · CQ 4 · ITU 7 · map ↗

FRN
0023355381

Previous call
KD0ZBS (General)

Last granted
Jan 3, 2024

Effective
Dec 17, 2025

Last action
Dec 17, 2025
FCC actions (5)
- Dec 17, 2025 — Administrative update LIAUA
- Jan 3, 2024 — License renewed LIREN
- Jun 3, 2021 — Administrative update LIAUA
- Feb 27, 2014 — Systematic call sign granted SYSGRT
- Feb 27, 2014 — License issued LIISS
KD0ZBS Canceled Amateur Extra Feb 13, 2014 → Feb 27, 2014 (canceled)

Licensee
Mitchell L Ahrenstorff

Address
8943 Breezy Point Blvd
Breezy Point, MN 56472
46.5823, -94.3408 (ZIP center) · Grid EN26tn · CQ 4 · ITU 7 · map ↗

FRN
0023355381

Last granted
Feb 13, 2014

Effective
Feb 27, 2014

Last action
Feb 27, 2014
FCC actions (3)
- Feb 27, 2014 — License canceled LICAN
- Feb 13, 2014 — License issued LIISS
- Feb 13, 2014 — 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 Sep 27, 2026 → Oct 11, 2026 · 3 snapshots · as AD0HJ
Mitchell L Ahrenstorff
806 Brown Street, JACKSON, MN 56143-1010
43.6239, -94.9938 (street) · Grid EN23mo · CQ 4 · ITU 7 · map ↗
Seen Mar 28, 2014 → Oct 11, 2026 · 64 snapshots · as KD0ZBS
Mitchell L Ahrenstorff
8943 Breezy Point Blvd, Breezy Point, MN 56472
46.5823, -94.3408 (ZIP center) · Grid EN26tn · CQ 4 · ITU 7 · map ↗
Seen Apr 16, 2022 → Sep 25, 2025 · 11 snapshots · as AD0HJ
Mitchell L Ahrenstorff
314 1ST ST APT 107, JACKSON, MN 56143-1699
43.6277, -95.0024 (ZIP center) · Grid EN23lp · CQ 4 · ITU 7 · map ↗

Nets

Net	When	Frequency	Role	Times	Last
AMSAT MEETUP 10PM EST	Wed 7:45 PM CT	DMR 98006	Net control	1	2026-10-01
AMSAT X MEETUP 0200Z	Wed 7:15 PM CT	DMR 98006	Net control	1	2026-10-01
AMSAT MEETUP NET 10PM E	Wed 7:45 PM ET	DMR 98006	Checked in	1	2026-10-07
AMSAT MEETUP 10PM EST	Wed 7:45 PM CT	DMR 98006	Checked in	1	2026-10-01

From nets logged with NetLogger since the start of collection.

📡 On the Air: APRS, Digital & WSPR Spots

📍 APRS

AD0HJ · 5 min ago · 1259 ft

43.6242, -94.9935 · https://aprsdroid.org/

AD0HJ-Y · 4 days ago

43.6243, -94.9935 · 70cm MMDVM Voice (C4FM) 432.50000MHz +0.0000MHz, APRS for YSFGateway

Full history on aprs.fi →

Repeaters within 50 Miles

23 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
13.5	N0BPA	Superior N0BPA	147.3450	+0.6	DCS 271	FM (analog) (FM,P25)		—	Superior, IA
15.7	W0DOG	Spirit Lake W0DOG EchoLink	146.6100	-0.6	TONE 110.9	FM (analog)	EchoLink 905962 EchoLink 350195	—	Spirit Lake, IA
16.8	W0DRK	Windom W0DRK	147.2550	+0.6	TSQL 141.3	FM (analog)		—	Windom, MN
16.8	W0DRK	Windom W0DRK	444.2500	+5	TSQL 141.3	FM (analog)		—	Windom, MN
26.5	K6ZC	Fairmont K6ZC	146.9700	-0.6	none	D-STAR		—	Fairmont, MN
26.5	K6ZC	Fairmont K6ZC	1284.5000	-12	none	D-STAR		—	Fairmont, MN
26.6	KD0TGF Listed as KD0TGF-FAIRMONT	Fairmont KD0TGF BM	443.9250	+5	CC10	DMR	BrandMeister 314172	—	Fairmont, MN
26.6	K6ZC Offline	Fairmont K6ZC	443.9250	+5	none	FM (analog) (DV,FM)		—	Fairmont, MN
26.7	K0SXR	Fairmont K0SXR	146.6400	-0.6	none	FM (analog)		—	Fairmont, MN
26.7	N0PBA	Fairmont N0PBA	444.3500	+5	TONE 136.5	FM (analog)		—	Fairmont, MN
29.6	K0QBI Offline	Worthington K0QBI IRLP	146.4600	simplex	none	FM (analog)	IRLP 3980	—	Worthington, MN
30.1	K0QBI	Worthington K0QBI	146.6700	-0.6	TONE 141.3	FM (analog) (C4FM,FM)		—	Worthington, MN
30.1	W0DRK	Worthington W0DRK	444.8500	+5	TSQL 141.3	FM (analog) (C4FM,FM)		—	Worthington, MN
34.4	KG0CK	Spencer KG0CK BM	146.8200	-0.6	CC1	DMR	BrandMeister 311927	—	Spencer, IA
34.5	W0DRK	Fulda W0DRK	147.3600	+0.6	TSQL 141.3	FM (analog) (C4FM,FM)		—	Fulda, MN
42.1	KG0CK	Gillett Grove KG0CK BM	444.7000	+5	TONE 110.9	FM (analog) (DMR,FM)	BrandMeister 310147	—	Gillett Grove, IA
44.6	N0PBA	Blue Earth N0PBA	147.0000	+0.6	TSQL 136.5	FM (analog)		—	Blue Earth, MN
44.6	KE0RTF	Blue Earth KE0RTF	443.0250	+5	TSQL 114.8	FM (analog) (FM,C4FM)		—	Blue Earth, MN
45.1	W0VHQ	Sanborn Wtr W0VHQ EchoLink	145.3100	-0.6	TSQL 110.9	FM (analog) (C4FM,FM)	EchoLink 102345	—	Sanborn, IA
45.1	W0VHQ	Sanborn Wtr W0VHQ	443.9000	+5	TSQL 110.9	FM (analog) (C4FM,FM)		—	Sanborn, IA
45.6	W0DRK	Slayton DOT on W0DRK	146.7900	-0.6	TSQL 141.3	FM (analog) (C4FM,FM)		—	Slayton, MN
48.9	KC0TQU	Primghar KC0TQU	444.8750	+5	TSQL 110.9	FM (analog)		—	Primghar, IA
49.0	KD0IAI	Wanda KD0IAI AllStar	444.0250	+5	TSQL 141.3	FM (analog) (DV,FM)	AllStar 570991	—	Wanda, MN