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Données des antennes relais pour les USA ?

JayJohnsonWashoeCounty

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Je cherche des données sur les antennes relais - quelqu'un connaît-il une source, gratuite ou payante ? La FCC dispose d'une base de données, mais elle ne contient qu'un petit sous-ensemble des antennes relais, car apparemment toutes les antennes ne sont pas tenues de s'enregistrer.<\/P>

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JoeBorgione

When I worked in 9-1-1, the msag provider had cell tower locations and antenna types for our area of operation.

All comments

DavidWard4

Tower Maps is a commercial data product (www.towermaps.com), not free.

DawnDellsperger

Hi, I just came across this and was wondering if u ever found out about any tower information and where to get it. I have been trying for months to find certain information. It is "public information" yet not so "public" to find it. LOL ideas?

DavidWard4

Name a location and send a request for sample data via email to info@towermaps.com

PaulGiers2

I’d be interested in ‘ground-truthing’ your tower locations with aerial imagery, unless they already include parcel info.

DavidWard4

See www.TowerMaps.com This bottom up data source has been built up over 20 years from site owners, not FCC

PaulGiers2

Don’t know if there’s is still interest in this topic, but I created an ArcGIS Online app for manual ground-truthing and correction of tower locations using aerial imagery, parcel data, and a street view widget that makes the process as fast and easy as possible, without requiring GIS expertise. Used it to map about 6,000 towers in Florida from the FCC list to the parcel level at a rate of 30/minute, with the help of family members. I also developed a novel technique for extracting highway assets from LiDAR point clouds that may have some application here. See:

https://community.esri.com/t5/roads-and-highways-videos/asset-extraction-from-mobile-lidar-video-1/td-p/976779

JoeBorgione

....the telco's themselves somehow manage to lose track, which is one of the reasons they farm out to management companies....

Not defending the telcos but rather explaining them: their primary mission is to provide dial tone. Period. They do not provide any qa/qc on locations of facilities or even addresses of customers. In the days of e-911 and land lines, if you told your provider you live at 666 S Devils Ln but really live at 1234 Elm ST, guess what? They believe you and 666 S Devils Ln is where the cops, fire, and ems are going.

Lets ratchet things up a bit: fewer land lines and more cell phones. Old habits die hard...

JayJohnsonWashoeCounty

Paul,

It does rather boggle the mind that a dataset that is the backbone of so much of our modern world's commerce and communication infrastructure is so piecemeal. Our Dispatch Center ended up getting spreadsheets from various contractors for each of the major telco carriers, which I've brought into GIS for our analysis purposes. And yes, dealing with this data is just as problematic as you might expect (horrendous field names, no standard schema, and generally bewildering IDs).

Fortunately our project doesn't require parcel level accuracy, but I do like your idea of a LIDAR analysis to validate location data...

Jay

Anonymous User

My sources within the cell tower property management community tell me that accurate information on cell towers, their precise locations, and especially the parcel data associated, is the holy grail of the industry, and accurate, complete data is not to be had nationwide. The telco's themselves somehow manage to lose track, which is one of the reasons they farm out to management companies. Worse yet, where you can find coordinates, you'll also find that the bulk of them are wildly inaccurate, oftentimes not falling on the correct parcels. If you lay the FCC data on an imagery basemap and look closely, you'll see what I mean. Unless someone can come up with something like a spectral signature (or maybe LiDAR?) to pinpoint cell towers in imagery, and an algorithm to associate those with the nearest FCC coordinates, I don't know how you'd automate georeferencing anyone's data.

JayJohnsonWashoeCounty

Thanks for sharing that! Yeah, my data is coming in as spreadsheets (the devil's database). Your "faxed database" gave me a chuckle. It is funny how certain sectors of industry seem to be frozen in 1976!

JoeBorgione

The msag provider I worked with only gave data out in spreadsheets. I even had 'data bases' faxed to me. Old school? Yeah, you could say that!

JayJohnsonWashoeCounty

Interesting, thanks Patrick.

I've been able to work with my local E911 Dispatch center and they have been requesting Excel files from all the different carriers. Seems a rather old-school way to gather data, but it is getting the job done.

I've signed up for the OpenCellID asite and it will be interesting to see how their data compares.

Jay

JoeBorgione

When I worked in 9-1-1, the msag provider had cell tower locations and antenna types for our area of operation.

Patrick Huls

Here is another open source location: http://wiki.opencellid.org/wiki/What_is_OpenCellID

There are some 'pay for' services out there as well.

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JayJohnsonWashoeCounty

Yes, I've already done that and HIFLD has referred the question to the FCC. Waiting for their reply.

JakeSkinner

It may be worth reaching out to HIFLD. This is at the bottom of the item details of that service:

JayJohnsonWashoeCounty

Thanks for the quick reply Jake. I found that same data on the HIFLD Open Data site, but this can't be anything close to all the cell towers. Washoe County, NV only shows 22 cell towers in this data set. I don't know much about telco data, so there is likely something I'm not understanding, but I would have thought we'd have thousands of cell towers. Do you have any insight on this?

Jay

JakeSkinner

Hi Jay,

The Living Atlas offers a feature service you can use:

https://www.arcgis.com/home/item.html?id=15dabb4108254481b591018be2598f3c#overview

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