N9TPB FCC License Search

🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 12, 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)

Derek R Lidstrom

FRN 0026793695 · first licensed Aug 31, 2017 as KE0OJA · 3 licenses on record

📝 FCC Applications (6)

Received	File number	Service	Purpose	Status	Call
Mar 20, 2026	0011954421	HAM	Administrative update	Granted	K3EI
Jun 19, 2018	0008254462	HAM	Administrative update	Granted	K3EI
Nov 29, 2017	0008010356	HAM	Modification	Granted	AD0ZS
Nov 6, 2017	0007985228	HAM	Modification	Dismissed	AD0ZS
Nov 6, 2017	0007985159	HAM	Modification	Granted	KE0OJA
Aug 31, 2017	0007913096	HAM	New license	Granted	KE0OJA

Complete Licensing History

K3EI Active Amateur Extra · vanity Dec 19, 2017 → expires Dec 19, 2027

Licensee
Derek R Lidstrom

Address
1632 28th Avenue South Apt 7
Grand Forks, ND 58201
47.8932, -97.0501 (street) · Grid EN17lv · CQ 4 · ITU 7 · map ↗

FRN
0026793695

Previous call
AD0ZS (General)

Last granted
Dec 19, 2017

Effective
Mar 21, 2026

Last action
Mar 21, 2026
FCC actions (4)
- Mar 21, 2026 — Administrative update LIAUA
- Jun 20, 2018 — Administrative update LIAUA
- Dec 19, 2017 — Vanity call sign granted VANGRT
- Dec 19, 2017 — License issued LIISS
AD0ZS Canceled Amateur Extra Aug 31, 2017 → Dec 19, 2017 (canceled)

Licensee
Derek R Lidstrom

Address
1942 23rd Ave S Unit B
Grand Forks, ND 58201
47.8666, -97.1411 (ZIP center) · Grid EN17ku · CQ 4 · ITU 7 · map ↗

FRN
0026793695

Previous call
KE0OJA (General)

Last granted
Aug 31, 2017

Effective
Nov 6, 2017

Last action
Dec 19, 2017
FCC actions (3)
- Dec 19, 2017 — License canceled LICAN
- Nov 6, 2017 — Systematic call sign granted SYSGRT
- Nov 6, 2017 — License issued LIISS
KE0OJA Canceled Amateur Extra Aug 31, 2017 → Nov 6, 2017 (canceled)

Licensee
Derek R Lidstrom

Address
1942 23rd Ave S Unit B
Grand Forks, ND 58201
47.8666, -97.1411 (ZIP center) · Grid EN17ku · CQ 4 · ITU 7 · map ↗

FRN
0026793695

Last granted
Aug 31, 2017

Effective
Nov 6, 2017

Last action
Nov 6, 2017
FCC actions (3)
- Nov 6, 2017 — License canceled LICAN
- Aug 31, 2017 — License issued LIISS
- Aug 31, 2017 — 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 K3EI
Derek R Lidstrom
1632 28th Avenue South Apt 7, Grand Forks, ND 58201
47.8932, -97.0501 (street) · Grid EN17lv · CQ 4 · ITU 7 · map ↗
Seen Sep 5, 2017 → Oct 11, 2026 · 42 snapshots · as KE0OJA
Derek R Lidstrom
1942 23rd Ave S Unit B, Grand Forks, ND 58201
47.8666, -97.1411 (ZIP center) · Grid EN17ku · CQ 4 · ITU 7 · map ↗
Seen Sep 3, 2018 → Sep 25, 2025 · 14 snapshots · as K3EI
Derek R Lidstrom
1195 19TH STE NE, Grand Forks, ND 58201
47.8666, -97.1411 (ZIP center) · Grid EN17ku · CQ 4 · ITU 7 · map ↗

Repeaters within 50 Miles

14 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
1.5	WA0JXT	Grand Forks Altr WA0JXT	146.9400	-0.6	TSQL 123.0	FM (analog)	🗓 1 net	1 net · 118 check-ins · 59 stations	Grand Forks, ND
2.4	N0LAC	Grand Forks N0LAC WIRES-X	443.1000	+5	TONE 123.0	FM (analog) (FM,C4FM)	WIRES-X 90195	—	Grand Forks, ND
2.9	WA0VFY Offline	East Grand Forks WA0VFY	147.3900	+0.6	none	FM (analog)		—	East Grand Forks, MN
3.2	ND0GF	Grand Forks ND0GF	147.0300	-0.6	TSQL 123.0	FM (analog) (FM,C4FM)		—	Grand Forks, ND
5.9	N0LAC	Grand Forks N0LAC WIRES-X	147.3300	+0.6	TONE 123.0	FM (analog) (FM,C4FM)	WIRES-X 43555	—	Grand Forks, ND
22.0	KB0BSJ	Crookston KB0BSJ	147.1200	+0.6	TONE 123.0	FM (analog)		—	Crookston, MN
22.0	KB0BSJ	Crookston KB0BSJ	443.7750	+5	TONE 123.0	FM (analog)		—	Crookston, MN
24.6	no call listed	Warren Minnesota	443.8000	+5	none	FM (analog)		—	Warren, MN
30.1	W0ZKU	Mayville W0ZKU	146.9100	-0.6	TONE 123.0	FM (analog)		—	Mayville, ND
42.5	WB0WTI	Thief River Fall WB0WTI BM	444.8000	+5	CC6	DMR	BrandMeister 312051 BrandMeister 312044	—	Thief River Falls, MN
42.7	WB0WTI	Thief River Fall WB0WTI	146.8500	-0.6	TONE 123.0	FM (analog)		—	Thief River Falls, MN
44.0	AE5E	Thief River Fall AE5E BM	430.5000	in 449.5000	CC6	DMR	BrandMeister 312388003	—	Thief River Falls, MN
45.1	WB0WTI	Thief River Fall WB0WTI BM	147.3600	+0.6	TONE 123.0	FM (analog) (DMR,FM)	BrandMeister 312051	—	Thief River Falls, MN
45.4	W0ILO	Grandin W0ILO	146.7600	-0.6	TSQL 123.0	FM (analog)		—	Grandin, ND

Vanity Applications

Filed · Award	Applicant	Requested (in order)	Status
Filed Nov 29, 2017 Granted Dec 19, 2017 0008010356	AD0ZS · Derek R Lidstrom · Amateur Extra 1942 23rd Ave S Unit B, Grand Forks, ND 58201 47.8666, -97.1411 (ZIP center) · Grid EN17ku · CQ 4 · ITU 7 · map ↗	1.K2ET Held by Knute Kenneth J Carlson until Dec 19, 2027 2.K4ON Held by Emily Johnson until Dec 19, 2027 3.K3EI ✓ Granted 4.W6HO Held by William S Hogin until Dec 19, 2027 5.KM2C Held by Brad W Kerber until Dec 19, 2027 6.KJ0F Held by paul W denman until Jan 5, 2032 7.W9PF Held by LAYNE F YOST until Dec 19, 2027 8.KE0U Held by Eric A Nanfito until Mar 26, 2031 9.NO2I Held by David J Cross until Dec 19, 2027 10.KN2X Held by John J Lavelle Jr until Dec 19, 2027 11.KE9Z Held by Thomas C Huss until Dec 19, 2027 12.KD3H Held by John J Mikucki until Dec 19, 2027 13.KZ3D Held by R Jeffrey Harp until Dec 19, 2027 14.KV6B Held by Robert Guillou until Dec 19, 2027 15.KE9X Held by DAVID G DYE until Dec 19, 2027 16.NE7O Held by Richard P Aragon until Dec 19, 2027 17.WO6X Held by Michael J Lowry until Dec 19, 2027 18.NA6J Held by Orvel Black III until Dec 19, 2027 19.KF9B Held by MICHAEL W BEIERMANN until Dec 19, 2027 20.NI9X Held by William E Carlson until Dec 22, 2027	Granted got K3EI
Filed Nov 6, 2017 Award date was Nov 24, 2017 0007985228	AD0ZS · Derek R Lidstrom · Amateur Extra 1942 23rd Ave S Unit B, Grand Forks, ND 58201 47.8666, -97.1411 (ZIP center) · Grid EN17ku · CQ 4 · ITU 7 · map ↗	1.ND1C Held by JAMES O SANTORE until Nov 21, 2027 2.K3BB Held by John H Duffy until Feb 14, 2033 3.W1MM Held by Mark D Brasche until Nov 21, 2027 4.W1AC Held by BRIAN K SCOTT until Nov 25, 2027 5.W8OO Held by Steven L Mealey until Nov 21, 2027	Dismissed