N9TPB
FCC License Search
🕒 FCC license data updated today 6:02 am CDT (FCC files through Oct 2, 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, WIK9DOT HAM 📻 GMRS
Technician class
licensed since 2025 (1 yr)
K9DOT since 2025 · previously KE9CHA
Windsor, WI
grid EN53hf
GMRS WSJG984
99 repeaters within 50 mi
🔒 Not available — currently licensed, through Jan 31, 2035. If it isn't renewed, it opens for vanity requests Feb 1, 2037.
📬 QSL: no LoTW uploads on record · not eQSL AG · QRZ · HamQTH
📝 K9DOT has filed vanity applications before — latest filed Jan 13, 2025 · what was requested
Currently held by Samuel R Sobtzak · 2 holders on record
Current holder: Samuel R Sobtzak
Held K9DOT Jan 31, 2025 → present · first licensed Jan 11, 2025 as KE9CHA · 2 licenses · FRN 0034918698
-
- Licensee
- Samuel R Sobtzak
- Address
- PO Box 235
Windsor, WI 53598
- FRN
- 0034918698
- Previous call
- KE9CHA
- Last granted
- Jan 31, 2025
- Effective
- Jan 31, 2025
- Last action
- Jan 31, 2025
FCC actions (2)
- Jan 31, 2025 — Vanity call sign granted VANGRT
- Jan 31, 2025 — License issued LIISS
-
- Licensee
- Samuel R Sobtzak
- Address
- PO Box 235
Windsor, WI 53598
- FRN
- 0034918698
- Last granted
- Jan 11, 2025
- Effective
- Jan 11, 2025
- Last action
- Jan 31, 2025
FCC actions (3)
- Jan 31, 2025 — License canceled LICAN
- Jan 11, 2025 — License issued LIISS
- Jan 11, 2025 — 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 Mar 6, 2025 → Sep 27, 2026 · 12 snapshots · as KE9CHA
Samuel R Sobtzak
PO Box 235
Windsor, WI 53598
Previous holder: RUTH M MARQUARD
Held K9DOT Nov 14, 2008 → Feb 12, 2019 · first licensed Nov 14, 2008 as K9DOT · 1 license · FRN 0018272526
-
- Licensee
- RUTH M MARQUARD
- Address
- 1853 GROVE ST
GLENVIEW, IL 60025
- FRN
- 0018272526
- Last granted
- Nov 14, 2008
- Effective
- Nov 14, 2008
- Last action
- Feb 13, 2021
FCC actions (3)
- Feb 13, 2021 — License expired LIEXP
- Nov 14, 2008 — License renewed LIREN
- Nov 14, 2008 — FCC action LITIN
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
- Seen Nov 7, 2004 → Sep 27, 2026 · 47 snapshots · as K9DOT
RUTH M MARQUARD
1853 GROVE ST, GLENVIEW, IL 60025
Vanity applications filed by K9DOT
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 Jan 13, 2025
Granted Jan 31, 2025
0011400585 |
KE9CHA · Samuel R Sobtzak
· Technician
PO Box 235 · Windsor, WI 53598
|
Granted
got K9DOT
|
Others requesting K9DOT
2 applications listed K9DOT as a choice, newest first.
| Filed | Award | Applicant | Choice # | Status |
|---|---|---|---|---|
| Jan 13, 2025 | Jan 31, 2025 | KE9CHA · Samuel R Sobtzak · Windsor, WI | 1 | Granted |
| Nov 14, 2022 | Dec 2, 2022 | KD9VUC · Curtis Hall · Ewing, IL | 10 | Granted |
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for K9DOT in the last 24 hours. They show up here within seconds of K9DOT beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.
📻 GMRS repeaters within 50 miles
13 on the air or of unknown status, closest first · map these & export for a GMRS radio →
| Miles | Channel | Output | Tone in | Owner | Location | Access | Status |
|---|---|---|---|---|---|---|---|
| 10 | RP20 | 462.675 | D445 | WRXH381 | Madison, WI · East Side | Open | On the air |
| 18 | RP15 | 462.550 | 141.3 | WSCL733 | Fitchburg, WI | Open | On the air |
| 40 | RP15 | 462.550 | 136.5 | WSKT526 | Janesville, WI · 5 Points | Open | On the air |
| 45 | RP16 | 462.575 | 97.4 | WRNV607 | Monroe, WI | Open | On the air |
| 48 | RP16 | 462.575 | 114.8 | WRCR868 | Antigo, WI | Open | On the air |
| 48 | RP17 | 462.600 | 107.2 | WROP543 | Baraboo, WI · Baraboo Bluffs | Open | On the air |
| 48 | RP17 | 462.600 | 82.5 | WROP543 | Beaver Dam, WI | Open | On the air |
| 48 | RP17 | 462.600 | 97.4 | WROP543 | Depere, WI | Open | On the air |
| 48 | RP17 | 462.600 | D244 | WROP543 | Mayville, WI | Open | On the air |
| 48 | RP17 | 462.600 | D116 | WROP543 | New Berlin, WI | Open | On the air |
| 48 | RP17 | 462.600 | D116 | WROP543 | St Germain, WI | Open | On the air |
| 48 | RP17 | 462.600 | D343 | WROP543 | Platteville, WI | Open | On the air |
| 48 | RP18 | 462.625 | D506 | WRTD287 | Waupaca, WI | Open | On the air |
Repeaters within 50 miles
99 repeaters within 50 miles of this ZIP code, 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 · center is the ZIP code (approximate) · 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 |
|---|---|---|---|---|---|---|---|---|---|
| 2.0 | W9BSD | DeForest W9BSD BM |
423.0250 | +5 | CC13 | DMR | BrandMeister 322626501 | — | DeForest, WI |
| 2.7 | KB9DRZ | Madison Empire KB9DRZ |
444.5750 | +5 | TSQL 123.0 | FM (analog) | — | Madison, WI | |
| 4.9 | N9KAN | Madison Home QTH N9KAN |
53.0700 | -1 | TSQL 103.5 | FM (analog) | — | Madison, WI | |
| 5.5 | W9EXW | Sun Prairie W9EXW BM |
439.5500 | in 432.5500 | CC1 | DMR | BrandMeister 317132002 | — | Sun Prairie, WI |
| 7.8 | KD9YTA | Madison KD9YTA BM |
433.1500 | +5 | CC1 | DMR | BrandMeister 3202129 | — | Madison, WI |
| 8.6 | KC9HEA | Arlington N KC9HEA |
443.3500 | +5 | TSQL 123.0 | FM (analog) | — | Arlington, WI | |
| 9.0 | K9QB | Madison Mifflin K9QB |
927.3375 | -25 | TSQL 123.0 | FM (analog) (FM,P25) | — | Madison, WI | |
| 9.6 | N9EM | Madison N9EM AllStar |
442.5500 | +5 | TSQL 123.0 | FM (analog) | AllStar 42975 | — | Madison, WI |
| 9.6 | N3IVK | Madison N3IVK MARC |
444.0750 | +5 | CC1 | DMR | DMR-MARC | — | Madison, WI |
| 9.8 | W9YT | Madison W9YT |
146.6850 | -0.6 | TSQL 123.0 | FM (analog) | — | Madison, WI | |
| 10.0 | WD8DAS | Madison WD8DAS |
224.1800 | -1.6 | none | FM (analog) | — | Madison, WI | |
| 10.0 | W9RCG | Madison W9RCG ChicagoLan |
442.5750 | +5 | CC9 | DMR | ChicagoLand | — | Madison, WI |
| 10.0 | WD8DAS | Madison UW WD8DAS |
53.1500 | -1 | TSQL 123.0 | FM (analog) | — | Madison, WI | |
| 10.2 | W9YT | Madison UW Engr W9YT EchoLink |
443.6000 | +5 | TSQL 123.0 | FM (analog) (DMR,FM) | EchoLink 520577 BrandMeister 310173 | — | Madison, WI |
| 10.3 | WI9HF | Madison AFC Hosp WI9HF |
443.7750 | +5 | TSQL 123.0 | FM (analog) (C4FM,FM) | — | Madison, WI | |
| 11.0 | W9HSY | Madison Univ W9HSY |
146.7600 | -0.6 | TSQL 123.0 | FM (analog) | — | Madison, WI | |
| 13.0 | N9GMT | Madison N9GMT FM38 |
444.4750 | +5 | TSQL 123.0 | FM (analog) | AllStar 2495 AllStar 45797 FM38 🗓 4 nets | 4 nets | Madison, WI |
| 13.0 | WB9RSQ | Madison WKOW WB9RSQ AllStar |
224.1600 | -1.6 | TSQL 123.0 | FM (analog) | AllStar 50633 | — | Madison, WI |
| 13.0 | WI9WIN | Madison WKOW-TV2 WI9WIN WIN |
441.4000 | +5 | TSQL 123.0 | FM (analog) | WIN | — | Madison, WI |
| 13.3 | W9HSY | Madison WMTV W9HSY AllStar |
147.1500 | +0.6 | TSQL 123.0 | FM (analog) | AllStar 67384 🗓 2 nets | 2 nets | Madison, WI |
| 13.3 | W9HSY | Madison WMTV W9HSY |
145.3050 | -0.6 | none | D-STAR | — | Madison, WI | |
| 14.6 | N9BDR | Madison Candelab N9BDR |
444.3750 | +5 | TSQL 123.0 | FM (analog) | 🗓 1 net | 1 net | Madison, WI |
| 16.2 | KA9VDU | Fitchburg QTH KA9VDU |
444.0000 | +5 | TSQL 123.0 | FM (analog) | — | Fitchburg, WI | |
| 16.3 | N9KAN | Madison Timberli N9KAN |
443.4000 | +5 | TSQL 123.0 | FM (analog) | — | Madison, WI | |
| 16.3 | WR9ABE | Madison Dane Co WR9ABE |
146.9400 | -0.6 | TSQL 123.0 | FM (analog) | — | Madison, WI | |
| 19.7 | W4EBO | Pleasant Springs W4EBO BM |
442.1250 | +5 | CC9 | DMR | BrandMeister 315512001 | — | Pleasant Springs, EN, WI |
| 20.7 | WE9COM | Cambridge Muni WE9COM |
147.3600 | +0.6 | TSQL 123.0 | FM (analog) | — | Cambridge, WI | |
| 20.8 | KC9FNM | Madison Zimmerma KC9FNM |
145.3700 | -0.6 | TSQL 123.0 | FM (analog) | 🗓 1 net | 1 net | Madison, WI |
| 20.9 | KD9LVQ | Prairie du Sac KD9LVQ BM |
147.7700 | -0.6 | CC9 | DMR | BrandMeister 312689 | — | Prairie du Sac, WI |
| 21.0 | WI9HF | Caledonia Portag WI9HF AllStar |
442.9250 | +5 | TSQL 123.0 | FM (analog) | AllStar 66090 EchoLink 622925 | — | Caledonia, WI |
| 21.0 | N9GMT | Cambridge N9GMT FM38 |
443.0000 | +5 | TSQL 123.0 | FM (analog) | AllStar 2495 FM38 🗓 4 nets | 4 nets | Cambridge, WI |
| 21.1 | KG9NI | Stoughton KG9NI BM |
438.4500 | -5 | CC1 | DMR | BrandMeister 320308040 | — | Stoughton, WI |
| 21.3 | N9KXX | Prairie Du Sac N9KXX |
444.2500 | +5 | TSQL 123.0 | FM (analog) | — | Prairie Du Sac, WI | |
| 21.9 | N9GMT | Baraboo WOLX FM N9GMT FM38 |
444.5000 | +5 | TSQL 123.0 | FM (analog) | AllStar 2495 FM38 🗓 4 nets | 4 nets | Baraboo, WI |
| 21.9 | WR9ABE | Baraboo WOLX FM WR9ABE |
146.8800 | -0.6 | TSQL 123.0 | FM (analog) | — | Baraboo, WI | |
| 21.9 | N9BDR | Baraboo WOLX N9BDR |
443.5750 | +5 | TSQL 123.0 | FM (analog) | — | Baraboo, WI | |
| 22.0 | WI9WIN | Baraboo Scott WI9WIN WIN |
443.9000 | +5 | TONE 77.0 | FM (analog) | WIN | — | Baraboo, WI |
| 22.1 | WB9FDZ | Baraboo Pointon WB9FDZ AllStar |
147.3150 | +0.6 | TSQL 123.0 | FM (analog) | AllStar 27727 EchoLink 553369 | — | Baraboo, WI |
| 22.1 | WB9FDZ | Baraboo Pointon WB9FDZ |
145.3150 | -0.6 | none | D-STAR | — | Baraboo, WI | |
| 24.3 | W9IKU | Portage W9IKU AllStar |
442.1250 | +5 | TONE 131.8 | FM (analog) | AllStar 470171 | — | Portage, WI |
| 24.5 | KC9CZH | Cambria Sheriff' KC9CZH |
147.0150 | +0.6 | TSQL 123.0 | FM (analog) | — | Cambria, WI | |
| 24.5 | K9QB | Brooklyn K9QB |
145.1700 | -0.6 | TSQL 123.0 | FM (analog) | — | Brooklyn, WI | |
| 24.5 | K9QB | Brooklyn K9QB AllStar |
224.0600 | -1.6 | TSQL 123.0 | FM (analog) | AllStar 42130 | — | Brooklyn, WI |
| 24.5 | K9QB | Brooklyn K9QB |
53.1900 | -1 | TSQL 123.0 | FM (analog) | — | Brooklyn, WI | |
| 24.7 | K9QB | Brooklyn K9QB |
29.6500 | -0.1 | TSQL 123.0 | FM (analog) | — | Brooklyn, WI | |
| 26.8 | KC9MIO | Baraboo City Svc KC9MIO |
443.8250 | +5 | TSQL 123.0 | FM (analog) | — | Baraboo, WI | |
| 27.0 | W9RCG | Baraboo W9RCG ChicagoLan |
442.1187 | +5 | CC9 | DMR | ChicagoLand | — | Baraboo, WI |
| 28.5 | WB9RSQ | Town L0C4T0R WB9RSQ BM |
434.8000 | +5 | CC1 | DMR | BrandMeister 3176657 | — | Town, L0C4T0R, WI |
| 28.5 | WB9RSQ | Evansville WB9RSQ AllStar |
442.3250 | +5 | none | D-STAR (C4FM,DV) | AllStar 41822 EchoLink 337985 IRLP 8625 | — | Evansville, WI |
| 29.0 | KD9KPT | Edgerton KD9KPT |
442.3000 | +5 | none | D-STAR | — | Edgerton, WI | |
| 29.2 | K9LUK | Watertown Vangua K9LUK WIN |
145.1900 | -0.6 | TSQL 123.0 | FM (analog) | WIN | — | Watertown, WI |
| 29.2 | W9TTN | Watertown Vangar W9TTN |
440.1500 | +5 | none | D-STAR | — | Watertown, WI | |
| 29.6 | KD9UU | Nort Sauk Co She KD9UU |
443.6750 | +5 | TSQL 114.8 | FM (analog) | — | North Freedom, WI | |
| 30.1 | WI9WIN | Watertown WI9WIN WIN |
440.1500 | +5 | TSQL 123.0 | FM (analog) (FM,DV) | WIN | — | Watertown, WI |
| 30.2 | W9MQB | Jefferson W9MQB |
145.4900 | -0.6 | TONE 123.0 | FM (analog) | — | Jefferson, WI | |
| 30.6 | AB9KL | Jefferson JP QTH AB9KL |
444.9000 | +5 | TSQL 123.0 | FM (analog) | — | Jefferson, WI | |
| 31.4 | no call listed | Barneveld Wisconsin |
444.0500 | +5 | TONE 123.0 | FM (analog) | 🗓 1 net | 1 net | Barneveld, WI |
| 31.7 | WI9WIN | Edgerton WSJY-FM WI9WIN |
442.3000 | +5 | TSQL 123.0 | FM (analog) | — | Edgerton, WI | |
| 33.8 | W9BG | Blancha N9MW QTH W9BG |
444.7750 | +5 | TSQL 123.0 | FM (analog) | — | Blanchardville, WI | |
| 34.8 | W9TCH | Juneau W9TCH AllStar |
146.6400 | -0.6 | TSQL 123.0 | FM (analog) | AllStar 68398 EchoLink 513352 | — | Juneau, WI |
| 36.9 | WB9SHS | Janesville Rock WB9SHS |
444.7500 | +5 | TSQL 123.0 | FM (analog) | 🗓 1 net | 1 net | Janesville, WI |
| 37.0 | WB9SHS | Janesville Rock WB9SHS |
145.4500 | -0.6 | TSQL 123.0 | FM (analog) | — | Janesville, WI | |
| 37.3 | WI9WIN | Hollandale W.I.N WI9WIN |
444.5500 | +5 | TSQL 123.0 | FM (analog) | — | Hollandale, WI | |
| 37.4 | WI9WIN | Hollandale W.I.N WI9WIN |
147.2850 | +0.6 | none | D-STAR | — | Hollandale, WI | |
| 37.4 | KC9KUM | Janesville Crown KC9KUM BM |
443.2250 | +5 | TSQL 123.0 | FM (analog) (DMR,FM) | BrandMeister 314397 | — | Janesville, WI |
| 39.0 | K9FRY | Janesville K9FRY |
147.0750 | +0.6 | TSQL 123.0 | FM (analog) | — | Janesville, WI | |
| 39.8 | no call listed | Janesville FM38 |
443.6250 | +5 | TONE 123.0 | FM (analog) | FM38 🗓 4 nets | 4 nets | Janesville, WI |
| 39.8 | KE9DYN | Janesville KE9DYN ChicagoLa |
440.7812 | +5 | CC8 | DMR | ChicagoLand | — | Janesville, WI |
| 40.2 | N9ROY | Wisconsin Dells N9ROY |
223.8600 | -1.6 | TSQL 123.0 | FM (analog) | — | Wisconsin Dells, WI | |
| 40.2 | N9ROY | Wisconsin Dells N9ROY |
443.8500 | +5 | TSQL 123.0 | FM (analog) | — | Wisconsin Dells, WI | |
| 40.4 | KC9ASQ | Montello Marquet KC9ASQ |
146.7450 | -0.6 | TSQL 123.0 | FM (analog) | — | Montello, WI | |
| 40.6 | KD9VBX | Janesville WI9HF KD9VBX ChicagoLa |
440.7812 | +5 | CC8 | DMR | ChicagoLand | — | Janesville, WI |
| 40.6 | WI9HF | Janesville WI9HF EchoLink |
440.9500 | +5 | TSQL 123.0 | FM (analog) | EchoLink 622925 | — | Janesville, WI |
| 41.0 | K9GJN | Janesville K9GJN WIRES-X |
146.7150 | -0.6 | DG-ID 00-00 | Fusion (C4FM) | WIRES-X 11869 | — | Janesville, WI |
| 42.7 | WB9RBC | Markesan GF ARC WB9RBC WIN |
146.9550 | -0.6 | TSQL 123.0 | FM (analog) | WIN | — | Markesan, WI |
| 43.3 | WE9COM | Dodgeville Iowa WE9COM |
145.2300 | -0.6 | TSQL 123.0 | FM (analog) | — | Dodgeville, WI | |
| 43.7 | W9MUP | Monroe W9MUP |
927.4000 | -25 | TSQL 123.0 | FM (analog) | — | Monroe, WI | |
| 43.7 | W9FN | Monroe W9MUP 1-A W9FN |
224.9200 | -1.6 | TSQL 123.0 | FM (analog) | — | Monroe, WI | |
| 43.7 | W9MUP | Monroe W9MUP |
443.5250 | +5 | TSQL 123.0 | FM (analog) (C4FM,FM) | — | Monroe, WI | |
| 43.7 | W9MUP | Monroe W9MUP |
147.3450 | +0.6 | TSQL 123.0 | FM (analog) | — | Monroe, WI | |
| 43.8 | W9MUP | Monroe W9MUP |
52.9700 | in 51.2700 | TSQL 123.0 | FM (analog) | — | Monroe, WI | |
| 44.2 | KC9GKA | Oconomowoc KC9GKA BM |
145.2300 | -0.6 | CC9 | DMR | BrandMeister 314372 BrandMeister 110673 | — | Oconomowoc, WI |
| 44.7 | K9TSU | Monroe K9TSU |
147.3450 | +0.6 | TSQL 123.0 | FM (analog) (FM,C4FM,P25) | — | Monroe, WI | |
| 45.1 | WB9KPG | Rubicon WB9KPG |
145.3500 | -0.6 | TONE 123.0 | FM (analog) | — | Rubicon, WI | |
| 47.3 | KO9LR | Monroe WEKZ FM KO9LR |
145.1100 | -0.6 | TSQL 123.0 | FM (analog) | — | Monroe, WI | |
| 47.4 | N9GMT | Delafield N9GMT |
440.3000 | +5 | TSQL 123.0 | FM (analog) | — | Delafield, WI | |
| 48.6 | WA9JTX | Beloit Mem Hosp WA9JTX |
147.1200 | +0.6 | TSQL 123.0 | FM (analog) | — | Beloit, WI | |
| 48.6 | W9TCH | Knowles W9TCH WIRES-X |
442.9750 | +5 | TSQL 123.0 | FM (analog) (C4FM,FM) | WIRES-X 81081 | — | Knowles, WI |
| 49.2 | N2RON | Beloit N2RON |
442.3000 | +5 | none | D-STAR | — | Beloit, WI | |
| 49.2 | W9MUP | Clinton WB9SHS/R W9MUP |
224.4800 | -1.6 | TSQL 123.0 | FM (analog) | — | Clinton, WI | |
| 49.2 | W9MUP | Clinton WB9SHS/R W9MUP |
920.0000 | -12 | TSQL 123.0 | FM (analog) | — | Clinton, WI | |
| 49.3 | W9TJK | Delafield WHAD W9TJK |
146.8200 | -0.6 | TSQL 127.3 | FM (analog) | — | Delafield, WI | |
| 49.3 | W9TJK | Delafield WHAD W9TJK |
444.1250 | +5 | TSQL 127.3 | FM (analog) | — | Delafield, WI | |
| 49.8 | WB9SHS | Clinton Little WB9SHS |
146.7150 | -0.6 | TSQL 123.0 | FM (analog) | — | Clinton, WI | |
| 49.8 | WB9SHS | Clinton Little WB9SHS |
443.1750 | +5 | TSQL 123.0 | FM (analog) (C4FM,FM) | — | Clinton, WI | |
| 5.5 | WC9AAG offline | Madison Arpt WC9AAG WIRES-X |
145.6500 | -0.6 | TSQL 123.0 | FM (analog) (FM,C4FM) | WIRES-X 70666 | — | Madison, WI |
| 8.5 | W9IKU offline | Portage W9IKU IRLP |
147.5850 | simplex | TSQL 131.8 | FM (analog) | IRLP 3518 | — | Portage, WI |
| 24.3 | W9IKU offline | Portage W9IKU AllStar |
446.0250 | simplex | TSQL 131.8 | FM (analog) | IRLP 8080 AllStar 617432 | — | Portage, WI |
| 28.5 | WB9RSQ offline | Evansville WB9RSQ IRLP |
145.7850 | simplex | TSQL 123.0 | FM (analog) | IRLP 8625 | — | Evansville, WI |