🕒 FCC license data updated today 8:30 am CDT (FCC files through Oct 1, 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
KD0S HAM
🔒 Not available — currently licensed, through Apr 29, 2030. If it isn't renewed, it opens for vanity requests Apr 30, 2032.
📬 QSL:
LoTW user · last upload Sep 20, 2026
· eQSL AG member
· QRZ · HamQTH
📝
KD0S has filed vanity applications before — latest filed Feb 28, 2000 ·
what was requested
Currently held by JAMES D ZAHRADNICEK
· 1 holder on record
Current holder: JAMES D ZAHRADNICEK
Held KD0S Mar 17, 2000 → present
· first licensed Oct 15, 1998 as KF0FN
· 2 licenses · FRN 0002234409
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 → Sep 27, 2026 · 46 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 → Sep 27, 2026 · 48 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 ↗
Vanity applications filed by KD0S
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 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 ↗
Granted
Others requesting KD0S
3 applications listed KD0S as a choice, newest first.
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for KD0S in the last 24 hours. They show up here within seconds of KD0S beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.
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
Data: FCC Universal Licensing System (amateur & GMRS), NetLogger and more · site status
n9tpb.com · 73 de N9TPB