Cook County Management Information Systems
Registered owner of 4 FCC antenna structures · FCC licensee ID L00003420. Every structure below links to its full registration page.
At a glance
Cook County Management Information Systems is the registered owner of 4 antenna structures in the FCC Antenna Structure Registration database, filed under FCC licensee ID L00003420. Its largest footprint is in Minnesota, with 4 registrations. Its tallest constructed structure is 113 m (370 ft) near Grand Marais, MN.
Dataset updated . Refreshed from the FCC ASR weekly bulk database.
Portfolio
Tallest structures
| # | Structure | Height | Type |
|---|---|---|---|
| 1 | Grand Marais, MN · 1025696 | 113 m | Unspecified structure |
| 2 | Grand Marais, MN · 1289936 | 109 m | Guyed tower |
| 3 | Hovland, MN · 1032547 | 87 m | Unspecified structure |
| 4 | T0fte, MN · 1027976 | 77 m | Unspecified structure |
Footprint
States
| State | Structures |
|---|---|
| Minnesota | 4 |
Mix
Structure types
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Where does Cook County Management Information Systems own antenna structures?
All of Cook County Management Information Systems's registrations are in Minnesota. In Minnesota it holds 4, which is 0.10% of the 3,995 structures registered in the state.
How does Cook County Management Information Systems compare with other tower owners?
Cook County Management Information Systems holds 4 of the 197,833 registrations in the FCC registry. It is one of the 7,865 owners holding two or more registrations, out of 20,857 distinct owners in all.
What kinds of structures does Cook County Management Information Systems register?
The most common filed structure type in the portfolio is guyed tower (code GTOWER), with 1 registrations or 25% of the total.
The tallest constructed structure in the portfolio is registration 1025696, a structure near Grand Marais, MN at 113 m (370 ft). That is about 63% above the national average registered height of 69 m.
Frequently asked questions
How many towers does Cook County Management Information Systems own?
Cook County Management Information Systems holds 4 FCC antenna structure registrations, with the largest concentration in Minnesota (4). Only FCC-registrable structures are counted — shorter sites below the registration threshold don't appear.
What is the tallest structure Cook County Management Information Systems owns?
Its tallest registered structure is 113 m (370 ft) near Grand Marais, MN (registration 1025696).
Where does Cook County Management Information Systems own towers?
All 4 of its registrations are in Minnesota.
What kind of towers does Cook County Management Information Systems own?
Most of its registrations are filed as guyed tower (1 of 4).
What is Cook County Management Information Systems's FCC licensee ID?
The FCC Antenna Structure Registration records group these structures under licensee ID L00003420.
Related pages
About this data
Source: FCC Antenna Structure Registration (ASR) database, as published October 20, 2026 — TowerCensus refreshes it weekly. See the methodology for how records are matched, cleaned and scored.
Cite as: TowerCensus, “Cook County Management Information Systems antenna structure portfolio (FCC licensee L00003420)”, https://towercensus.com/owners/cook-county-management-information-systems-l00003420 (data as of October 20, 2026).