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

JAMES D ZAHRADNICEK

FRN 0002234409 · first licensed Oct 15, 1998 as KF0FN · 2 licenses on record

📝 FCC applications (5)

Received	File number	Service	Purpose	Status	Call
Apr 28, 2020	0009059333	HAM	Renewal	Granted	KD0S
Dec 28, 2009	0004077222	HAM	Renewal	Granted	KD0S
May 17, 2006	0002614784	HAM	Administrative update	Granted	KD0S
May 5, 2006	0002598589	HAM	Administrative update	Granted	KD0S
Feb 28, 2000	0000089375	HAM	Modification	Granted	KF0FN

Complete licensing history

KD0S Active Amateur Extra · vanity Mar 17, 2000 → expires Apr 29, 2030

Licensee
JAMES D ZAHRADNICEK

Address
29563 US Hwy 14
PIERRE, SD 57501
44.4234, -100.2358 (street) · Grid DN94vk · CQ 4 · ITU 7 · map ↗

FRN
0002234409

Previous call
KF0FN (Advanced)

Last granted
Apr 29, 2020

Effective
Apr 29, 2020

Last action
Apr 29, 2020
FCC actions (5)
- Apr 29, 2020 — License renewed LIREN
- Dec 29, 2009 — License renewed LIREN
- May 18, 2006 — Administrative update LIAUA
- May 6, 2006 — Administrative update LIAUA
- Mar 17, 2000 — License issued LIISS
KF0FN Canceled Amateur Extra Oct 15, 1998 → Mar 17, 2000 (canceled)

Licensee
JAMES D ZAHRADNICEK

Address
20310 REDWOOD PL
PIERRE, SD 57501
44.5276, -100.3091 (ZIP center) · Grid DN94um · CQ 4 · ITU 7 · map ↗

FRN
0002234409

Last granted
Oct 15, 1998

Effective
Oct 15, 1998

Last action
Mar 17, 2000
FCC actions (1)
- Mar 17, 2000 — License canceled LICAN

Address history

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

Seen May 27, 2010 → Oct 4, 2026 · 47 snapshots · as KD0S
JAMES D ZAHRADNICEK
29563 US Hwy 14, PIERRE, SD 57501
44.4234, -100.2358 (street) · Grid DN94vk · CQ 4 · ITU 7 · map ↗
Seen Nov 7, 2004 → Oct 4, 2026 · 49 snapshots · as KF0FN
JAMES D ZAHRADNICEK
20310 REDWOOD PL, PIERRE, SD 57501
44.5276, -100.3091 (ZIP center) · Grid DN94um · CQ 4 · ITU 7 · map ↗

Repeaters within 50 miles

6 repeaters within 50 miles of this address, closest 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
5.7	KD0S	Pierre KD0S	146.7300	-0.6	TONE 146.2	FM (analog)		—	Pierre, SD
6.8	W0PIR	Pierre W0PIR	145.3500	-0.6	TONE 146.2	FM (analog)		—	Pierre, SD
43.9	AA0CT	Murdo AA0CT	147.3000	+0.6	TONE 146.2	FM (analog)		—	Murdo, SD
49.0	N0NPO	Reliance N0NPO	146.9400	-0.6	TONE 146.2	FM (analog)		—	Reliance, SD
0.3	KD0S offline	Pierre KD0S IRLP	146.5650	simplex	TONE 146.2	FM (analog)	IRLP 3266	—	Pierre, SD
6.8	KD0S offline	Pierre KD0S IRLP	146.5400	simplex	TSQL 146.2	FM (analog)	IRLP 3268	—	Pierre, SD

Vanity applications

Filed · Award	Applicant	Requested (in order)	Status
Filed Feb 28, 2000 Granted Apr 29, 2020 0000089375	KF0FN · JAMES D ZAHRADNICEK · Amateur Extra 20310 REDWOOD PL, PIERRE, SD 57501 44.5276, -100.3091 (ZIP center) · Grid DN94um · CQ 4 · ITU 7 · map ↗	1.KD0S ✓ granted	Granted got KD0S