N9TPB
FCC License Search
🕒 FCC license data updated yesterday 9:45 am CDT · next update today 7:15 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, WIAD0YC HAM
✅ Available for a vanity request — free since Aug 22, 2020.
2x2 call: only Amateur Extra licensees can request it.
No pending applications list it.
📬 QSL: LoTW user · last upload Feb 24, 2018 · not eQSL AG · QRZ · HamQTH
Not currently held · 1 holder on record · available since Aug 22, 2020
Previous holder: MICHAEL R KNITTER
Held AD0YC Mar 4, 2015 → Aug 21, 2018 · first licensed Feb 12, 2005 as N9YZF · 7 licenses · FRN 0008924292
-
📦 Moved: Chicago, IL → Dell City, TX
- Licensee
- MICHAEL R KNITTER
- Address
- Attn: Michael Knitter
POBox 312
Dell City, TX 79837
- FRN
- 0008924292
- Previous call
- KR5V (General)
- Last granted
- May 27, 2026
- Effective
- Jul 23, 2026
- Last action
- Jul 23, 2026
FCC actions (3)
- Jul 23, 2026 — Administrative update LIAUA
- May 27, 2026 — Vanity call sign granted VANGRT
- May 27, 2026 — License issued LIISS
-
- Licensee
- MICHAEL R KNITTER
- Address
- Attn: Michael Knitter
1440 W. Taylor St. #1533
Chicago, IL 60607
- FRN
- 0008924292
- Previous call
- W9PGM (General)
- Last granted
- Apr 7, 2026
- Effective
- May 8, 2026
- Last action
- May 27, 2026
FCC actions (4)
- May 27, 2026 — License canceled LICAN
- May 8, 2026 — Administrative update LIAUA
- Apr 7, 2026 — Vanity call sign granted VANGRT
- Apr 7, 2026 — License issued LIISS
-
- Licensee
- MICHAEL R KNITTER
- Address
- Attn: Michael Knitter
1440 W. Taylor St.
Chicago, IL 60607
- FRN
- 0008924292
- Previous call
- KR5V (General)
- Last granted
- Sep 3, 2025
- Effective
- Sep 3, 2025
- Last action
- Apr 7, 2026
FCC actions (3)
- Apr 7, 2026 — License canceled LICAN
- Sep 3, 2025 — Vanity call sign granted VANGRT
- Sep 3, 2025 — License issued LIISS
-
📦 Moved: Casslake, MN → Chicago, IL
- Licensee
- MICHAEL R KNITTER
- Address
- Attn: Michael Knitter
1440 W. Taylor St.
Chicago, IL 60607
- FRN
- 0008924292
- Previous call
- WZ7L (General)
- Last granted
- May 12, 2020
- Effective
- Jul 26, 2025
- Last action
- Sep 3, 2025
FCC actions (7)
- Sep 3, 2025 — License canceled LICAN
- Jul 26, 2025 — Administrative update LIAUA
- Jan 31, 2025 — Administrative update LIAUA
- Aug 19, 2020 — Administrative update LIAUA
- May 13, 2020 — Administrative update LIAUA
- May 12, 2020 — Vanity call sign granted VANGRT
- May 12, 2020 — License issued LIISS
-
- Licensee
- MICHAEL R KNITTER
- Address
- Attn: Michael Knitter
General Delivery
Casslake, MN 56633
- FRN
- 0008924292
- Previous call
- AD0YC (General)
- Last granted
- Aug 21, 2018
- Effective
- Feb 7, 2020
- Last action
- May 12, 2020
FCC actions (5)
- May 12, 2020 — License canceled LICAN
- Feb 7, 2020 — Administrative update LIAUA
- Nov 5, 2019 — Administrative update LIAUA
- Aug 21, 2018 — Vanity call sign granted VANGRT
- Aug 21, 2018 — License issued LIISS
-
- Licensee
- MICHAEL R KNITTER
- Address
- PO Box 793
Casslake, MN 56633
- FRN
- 0008924292
- Previous call
- N9YZF (General)
- Last granted
- Mar 4, 2015
- Effective
- Jan 3, 2018
- Last action
- Aug 21, 2018
FCC actions (5)
- Aug 21, 2018 — License canceled LICAN
- Jan 3, 2018 — Administrative update LIAUA
- Apr 21, 2017 — Administrative update LIAUA
- Apr 20, 2017 — Systematic call sign granted SYSGRT
- Apr 20, 2017 — License issued LIISS
-
- Licensee
- MICHAEL R KNITTER
- Address
- PO Box 793
Casslake, MN 56633
- FRN
- 0008924292
- Last granted
- Mar 4, 2015
- Effective
- Apr 20, 2017
- Last action
- Apr 20, 2017
FCC actions (11)
- Apr 20, 2017 — License canceled LICAN
- Apr 26, 2016 — Administrative update LIAUA
- Apr 11, 2016 — License modified LIMOD
- Apr 2, 2016 — Administrative update LIAUA
- Mar 26, 2016 — Administrative update LIAUA
- Apr 25, 2015 — Administrative update LIAUA
- Mar 4, 2015 — License renewed LIREN
- Mar 2, 2013 — Administrative update LIAUA
- Apr 28, 2010 — Administrative update LIAUA
- Apr 3, 2007 — Administrative update LIAUA
- Feb 12, 2005 — License renewed LIREN
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 KR5V
MICHAEL R KNITTER
Attn: Michael Knitter
1440 W. Taylor St. #1533, Chicago, IL 60607 - Seen Sep 27, 2026 → Oct 4, 2026 · 2 snapshots · as W9PGM
MICHAEL R KNITTER
Attn: Michael Knitter
POBox 312, Dell City, TX 79837 - Seen Sep 25, 2025 → Oct 4, 2026 · 6 snapshots · as KR5V
MICHAEL R KNITTER
Attn: Michael Knitter
1440 W. Taylor St., Chicago, IL 60607 - Seen Apr 16, 2022 → Oct 4, 2026 · 13 snapshots · as WZ7L
MICHAEL R KNITTER
Attn: Michael Knitter
General Delivery, Casslake, MN 56633 - Seen Jun 30, 2016 → Oct 4, 2026 · 46 snapshots · as N9YZF
MICHAEL R KNITTER
PO Box 793
Casslake, MN 56633 - Seen Apr 16, 2022 → May 29, 2025 · 10 snapshots · as KR5V
MICHAEL R KNITTER
Attn: Michael Knitter
PO Box 312
Dell City, TX 79837 - Seen May 12, 2017 → Jan 2, 2018 · 4 snapshots · as AD0YC
MICHAEL R KNITTER
PO Box 83
Blackduck, MN 56630 - Seen May 19, 2015 → Mar 16, 2016 · 9 snapshots · as N9YZF
MICHAEL R KNITTER
Attn: Michael R. Knitter
PO Box 315
57 N.Main St., Blackduck, MN 56630 - Seen Mar 28, 2015 · 1 snapshot · as N9YZF
MICHAEL R KNITTER
Attn: Michael R. Knitter
51507 Wildwood Rd.#2, Casslake, MN 56633 - Seen Apr 6, 2013 → May 22, 2014 · 5 snapshots · as N9YZF
MICHAEL R KNITTER
Attn: Michael R. Knitter
PO Box 315
Blackduck, MN 56630 - Seen May 27, 2010 → Feb 18, 2013 · 6 snapshots · as N9YZF
MICHAEL R KNITTER
Attn: Michael R. Knitter
PO Box 1037
Patterson, LA 70392 - Seen Nov 7, 2004 · 1 snapshot · as N9YZF
MICHAEL R KNITTER
776 N WILLOW RD, ELMHURST, IL 60126
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for AD0YC in the last 24 hours. They show up here within seconds of AD0YC beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.