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telex
Identification_Information
Data_Quality_Information
Spatial_Data_Organization_Information
Spatial_Reference_Information
Entity_and_Attribute_Information
Distribution_Information
Metadata_Reference_Information
Identification Information
Section Index
Citation:
Citation Information:
Originator: Maine Public Utilities Commission (MEPUC), Maine Office of Geographic Information Systems (MEGIS) (ed.)(comp.)
Publication Date: 20050501
Publication Time: Unknown
Title: telex
Geospatial Data Presentation Form: vector digital data
Series Information:
Series Name: Maine GIS
Issue Identification: SDE server; Internet Data Catalog
Publication Information:
Publication Place: Augusta ME
Publisher: Maine Office of Geographic Information Systems (MEGIS)
Other Citation Details: 1:100000
Online Linkage: http://megis.maine.gov/catalog/
Description:
Abstract:
TELEX contains polygons delineating telephone exchanges in Maine at 1:100,000 scale. Maine Office of GIS staff compiled Maine Public Utilities Commission (MEPUC) exchange locations onto a USGS 1:100,000 scale base. A point was placed on the base at the georeferenced location of the exchange office; these points serve as label points for each polygon. The polygons are coded for exchange, wirecenter (office), ownership and utility. Arcs, delineating exchange boundaries, are coded for source in the item LINE. The last update from the MEPUC was in 2005; all delineations are based on information supplied by the MEPUC.
Purpose:
TELEX provides a GIS dataset of telephone exchange offices and service areas for Maine. Maps at this scale are suitable for regional studies and planning. Not intended for use at scales greater than 1:100,000.
Supplemental Information: The 2005 version of TELEX has substantial revisions of attribute items and total area covered.
Time Period of Content:
Time Period Information:
Range of Dates/Times:
Beginning Date: 1/1/1948
Beginning Time: Unknown
Ending Date: 5/1/2005
Ending Time: Unknown
Currentness Reference: publication date
Status:
Progress: Complete
Maintenance and Update Frequency: Unknown
Spatial Domain:
Bounding Coordinates:
West Bounding Coordinate: -70.99223
East Bounding Coordinate: -66.8237
North Bounding Coordinate: 47.34197
South Bounding Coordinate: 43.05914
Keywords:
Theme:
Theme Keyword Thesaurus: ISO Keyword Thesaurus
Theme Keyword: utilitiesCommunication
Theme:
Theme Keyword Thesaurus: Maine GIS Thesaurus-Theme
Theme Keyword: communications
Theme Keyword: infrastructure
Theme Keyword: services
Place:
Place Keyword Thesaurus: Maine GIS Thesaurus-Place
Place Keyword: Maine
Place Keyword: United States
Stratum:
Stratum Keyword Thesaurus: GCMD Parameter Keyword
Stratum Keyword: human dimensions
Use Constraints:
Users must assume responsibility in determining the usability of this data for their purposes. Digital maps retain the accuracy of their source materials. The best use of data mapped at scales of 1:500,000 and 1:250,000 is in statewide planning and studies; at 1:100,000 in regional planning and studies; at 1:62,500 and 1:24,000 in detailed studies and local planning; and at 1:12,000 and 1:5,000 or larger scales in parcel level studies and detailed local planning. In the use of Maine GIS data, please check sources, scale, accuracy, currentness and other available information. Please confirm that you are using the correct copy of both data and metadata from the Maine GIS Data Catalog. Updates, corrections, and feedback, incorporated in the Maine GIS database are made in accordance with "Data Standards for Maine Geographic Information Systems", 2002, and coordinated by MEGIS
Point of Contact:
Contact Information:
Contact Organization Primary:
Contact Organization: (MEPUC) Maine Public Utilities Commission
Contact Address:
Address Type: mailing and physical address
Address: 242 State Street SHS 18
City: Augusta
State or Province: ME
Postal Code: 04333-0018
Country: USA
Contact Voice Telephone: 207 287 3831
Contact Facsimile Telephone: 207 187 1039
Contact Electronic Mail Address: maine.puc@maine.gov
Hours of Service: 0800 - 1700 EST
Data Set Credit: Credit should always be given to the data source and/or originator when the data is transferred or printed.
Native Data Set Environment: Maine Office of Information Technology (OIT) Oracle 9i, Maine Office of Geographic Information Systems (MEGIS), Maine GIS SDE,Maine GIS Internet Data Catalog http://megis.maine.gov/catalog/
Data Quality Information
Section Index
Attribute Accuracy:
Attribute Accuracy Report: Attribute accuracy is tested by manual comparison of the source with hard copy printouts and/or symbolized display of digital files. Please report errors to Maine Office of GIS.
Logical Consistency Report: Spatial topology meets Maine GIS Data Standards. Spatial topology meets Maine GIS Data Standards.
Completeness Report: Data set is complete.
Positional Accuracy:
Horizontal Positional Accuracy:
Horizontal Positional Accuracy Report: Approximate horizontal accuracy is 51 meters, assuming source data meets National Map Accuracy Standards.
Quantitative Horizontal Positional Accuracy Assessment:
Horizontal Positional Accuracy Value: 51
Horizontal Positional Accuracy Explanation: Horizontal positional accuracy for the digital data is tested by visual comparison to the source.
Lineage:
Source Information:
Source Citation:
Citation Information:
Originator: U.S. Geological Survey (USGS)
Publication Date: multiple dates
Publication Time: Unknown
Title: (100k) USGS 1:100000 scale quadrangles
Geospatial Data Presentation Form: map
Series Information:
Series Name: National Mapping Program Standard Series Topographic Maps
Issue Identification: USGS 30 x 60 Minute Map Series
Publication Information:
Publication Place: Reston VA
Publisher: U.S. Geological Survey
Other Citation Details:
Publication date is unique to each quadrangle in the map series. Standard 30x60 minute quadrangles cover geographic areas of 1578 to 2167 square miles. 1 inch at map scale represents 1.6 miles. The following information from the Mid-continent Mapping Center (MCMC) may be pertinent in the use of 100k data: "The 100k quadrangles were primarily produced using 15 minute copy. However, P (provisional) maps and other 7.5 minute copy were also used."
Online Linkage: http://mapping.usgs.gov/mac/maplists/
Source Scale Denominator: 100000
Type of Source Media: stable-base material (mylar)
Source Time Period of Content:
Time Period Information:
Range of Dates/Times:
Beginning Date: 1/1/1984
Beginning Time: Unknown
Ending Date: 12/31/1986
Ending Time: Unknown
Source Currentness Reference: publication date
Source Citation Abbreviation: 100k
Source Contribution: TELEX data was compiled on a USGS 1:100,000 scale base map and manually digitized. Coincident features from the 100k base were used where possible.
Source Information:
Source Citation:
Citation Information:
Originator: U.S. Geological Survey (USGS)
Publication Date: multiple dates
Publication Time: Unknown
Title: (24k) USGS 1:24,000 scale quadrangles
Geospatial Data Presentation Form: map
Series Information:
Series Name: National Mapping Program Standard Series Topographic Maps
Issue Identification: USGS 7.5 Minute Map Series
Publication Information:
Publication Place: Reston VA
Publisher: U.S. Geological Survey
Other Citation Details: 24000 Publication date is unique to each quadrangle in the map series. Standard 7.5x7.5 minute quadrangles cover geographic areas of 49 to 71 square miles. 1 inch at map scale represents 2000 feet.
Online Linkage: http://mapping.usgs.gov/mac/maplists/howtoselectmaps.html
Source Scale Denominator: 24000
Type of Source Media: stable-base material (mylar)
Source Time Period of Content:
Time Period Information:
Range of Dates/Times:
Beginning Date: 1/1/1948
Beginning Time: Unknown
Ending Date: Present
Ending Time: Unknown
Source Currentness Reference: publication date
Source Citation Abbreviation: 24k
Source Contribution: Coincident features for USGS 1:24000 scale data were used in the development of TELEX as needed.
Source Information:
Source Citation:
Citation Information:
Originator: unknown
Publication Date: Unpublished Material
Title: (MEPUCCAD) CAD generated maps
Geospatial Data Presentation Form: map
Other Citation Details: Maine Public Utilities Commission provided a small number of CAD generated maps were used for the independent exchanges.
Source Scale Denominator: 200
Type of Source Media: unknown
Source Time Period of Content:
Time Period Information:
Source Currentness Reference: publication date
Source Citation Abbreviation: mepuccad
Source Contribution: A small number of CAD generated maps were used in TELEX to delineate location and boundaries of independent exchanges.
Process Step:
Process Description:
The original mapping had been photo-reduced or enlarged so the automation methodology was to recompile the exchange boundaries onto a USGS 1:100000 basemap and manually digitize these. Coincident features from MEGIS 1:1000000 baselayers were used for exchange boundaries where possible. Points were entered at exchange office locations shown on the originals. Quality control was provided by MEGIS and MEPUC. QAQC was done by the Office of GIS and the PUC.
Source Used Citation Abbreviation: 100k
Source Used Citation Abbreviation: 24k
Source Used Citation Abbreviation: mepuccad
Process Date: 19950301
Process Contact:
Contact Information:
Contact Organization Primary:
Contact Organization: (MEGIS) Maine Office of Geographic Information Systems
Contact Person: GIS Coordinator
Contact Position: GIS Coordinator
Contact Address:
Address Type: mailing address
Address: State House Station 174
City: Augusta
State or Province: ME
Postal Code: 04333-0174
Country: USA
Contact Voice Telephone: 207 624-7700
Contact Facsimile Telephone: 207 287-3842
Hours of Service: Monday through Friday 0800 - 1700 EST
Process Step:
Process Description:
The Maine Office of GIS completed the conversion of all final data layers from NAD27 to NAD83 in July 1999. All the data layers were converted using the ArcInfo (version 7.2.1) NADCON conversion and the "project" command. All data was copied to double precision, projected to NAD83, and then copied back to single precision. It was decided to keep the NAD27 quad structure instead of generating new quad boundaries from NAD83 coordinates - all indexes (quads) were projected to NAD83 by using the same process previously described. All MEGIS data libraries in ArcInfo Librarian were repopulated using the NAD83 indexes and data.
Process Date: 19990701
Process Contact:
Contact Information:
Contact Organization Primary:
Contact Organization: (MEGIS) Maine Office of Geographic Information Systems
Contact Person: GIS Coordinator
Contact Position: GIS Coordinator
Contact Address:
Address Type: mailing address
Address: State House Station 174
City: Augusta
State or Province: ME
Postal Code: 04333-0174
Country: USA
Contact Voice Telephone: 207 624-7700
Contact Facsimile Telephone: 207 287-3842
Hours of Service: Monday through Friday 0800 - 1700 EST
Process Step:
Process Description:
Attributes were altered by request of the Maine Public Utilities Commission staff to show EXCHANGE ( telephone exchange name or locality) WIRECENTER ( formerly OFFICE ) OWNERSHIP ( holding company ) and UTILITY ( formerly the holding company subsidiary ). Additional State boundary lines were added from the USGS 1:100,000 base to create a complete outline of the state encompassing areas of service or no service as closed polygons . Some changes in exchange boundaries were made.
Source Used Citation Abbreviation: 100k
Process Date: 20050501
Process Contact:
Contact Information:
Contact Organization Primary:
Contact Organization: (MEGIS) Maine Office of Geographic Information Systems
Contact Person: GIS Coordinator
Contact Position: GIS Coordinator
Contact Address:
Address Type: mailing address
Address: State House Station 174
City: Augusta
State or Province: ME
Postal Code: 04333-0174
Country: USA
Contact Voice Telephone: 207 624-7700
Contact Facsimile Telephone: 207 287-3842
Hours of Service: Monday through Friday 0800 - 1700 EST
Process Step:
Process Description:
Ownership attributes were updated by the request of PUC to reflect the change in ownership from
Verizon to FairPoint Communications-NNE
Process Date: 20080604
Process Contact:
Contact Information:
Contact Organization Primary:
Contact Organization: (MEGIS) Maine Office of Geographic Information Systems
Contact Person: GIS Coordinator
Contact Position: GIS Coordinator
Contact Address:
Address Type: mailing address
Address: State House Station 174
City: Augusta
State or Province: ME
Postal Code: 04333-0174
Country: USA
Contact Voice Telephone: 207 624-7700
Contact Facsimile Telephone: 207 287-3842
Hours of Service: Monday through Friday 0800 - 1700 EST
Cloud Cover: 0
Spatial Data Organization Information
Section Index
Direct Spatial Reference Method: Vector
Point and Vector Object Information:
SDTS Terms Description:
SDTS Point and Vector Object Type: Area chain
Point and Vector Object Count: 284
Spatial Reference Information
Section Index
Horizontal Coordinate System Definition:
Planar:
Grid Coordinate System:
Grid Coordinate System Name: Universal Transverse Mercator 1983
Universal Transverse Mercator:
UTM Zone Number: 19
Transverse Mercator:
Scale Factor at Central Meridian: 0.9996
Longitude of Central Meridian: -69
Latitude of Projection Origin: 0
False Easting: 500000
False Northing: 0
Planar Coordinate Information:
Planar Coordinate Encoding Method: Coordinate Pair
Coordinate Representation:
Abscissa Resolution: 1
Ordinate Resolution: 1
Geodetic Model:
Horizontal Datum Name: North American Datum of 1983
Ellipsoid Name: Geodetic Reference System 80
Semi-major Axis: 6378137
Denominator of Flattening Ratio: 298.257
Entity and Attribute Information
Section Index
Detailed Description:
Entity Type:
Entity Type Label: TELEXArc
Entity Type Definition: arc feature class
Entity Type Definition Source: Environmental Systems Research Institute, Inc. (ESRI)
Attribute:
Attribute Label: LINES
Attribute Definition: source of arc
Attribute Definition Source: ESRI
Attribute Domain Values:
Enumerated Domain:
Enumerated Domain Value: USGS
Enumerated Domain Value Definition: coincident feature from 1:100,000 USGS data
Enumerated Domain:
Enumerated Domain Value: PUC
Enumerated Domain Value Definition: line came from the Maine Public Utilities Commission data
Enumerated Domain:
Enumerated Domain Value: OGIS
Enumerated Domain Value Definition: closure line added by MEGIS staff
Unrepresentable Domain: Whole numbers that are automatically generated.
Detailed Description:
Entity Type:
Entity Type Label: TELEXPoly
Entity Type Definition: polygon feature class
Entity Type Definition Source: Environmental Systems Research Institute, Inc. (ESRI)
Attribute:
Attribute Label: EXCHANGE
Attribute Definition: Name of the telephone exchange
Attribute Definition Source: MPUC
Attribute Domain Values:
Unrepresentable Domain: proper name
Attribute:
Attribute Label: OWNERSHIP
Attribute Definition: The company that owns the exchange.
Attribute Definition Source: MPUC
Attribute Domain Values:
Unrepresentable Domain: proper name
Attribute:
Attribute Label: UTILITY
Attribute Definition: The utility of which the exchange is a part.
Attribute Definition Source: MPUC
Attribute Domain Values:
Unrepresentable Domain: proper name
Attribute:
Attribute Label: WIRECENTER
Attribute Definition: The wire center or office for the exchange.
Attribute Definition Source: MPUC
Attribute Domain Values:
Unrepresentable Domain: proper name
Overview Description:
Entity and Attribute Overview: POLYGONS in TELEX are coded for company, subsidiary, exchange, office name and availability of service. Arcs that delineate exchange boundaries, are coded for source in the item LINE.
Entity and Attribute Detail Citation:
The ArcView shapefile and ArcGIS geodatabase formats, commonly used for Maine GIS data, carry default identifiers and attributes that are software generated and/or important for internal recordkeeping. These are listed here to avoid repetition for every layer, and may not be repeated in the attribute descriptions and definitions of each layer. Common software generated identifiers and attributes in Maine GIS data include: FID (feature identifier), Shape (feature geometry), OBJECTID and SHAPE_lengt. In addition, most GIS formats will carry fields for PERIMETER, AREA and/or LENGTH according to feature geometry. These fields are typically available by default, with the units based on coordinate system or projection units of GIS data. Most GIS software packages also provide a means to calculate these values. It is important to test any columns containing PERIMETER, AREA or LENGTH values before using them for analysis purposes. These important values can be carried from format to format and become out-dated. Verify that the values are correct. Also, in your GIS software, please view the properties of data layers for the map units used to calculate these fields, and for the units set for display purposes.
Distribution Information
Section Index
Distributor:
Contact Information:
Contact Organization Primary:
Contact Organization: (MEGIS) Maine Office of Geographic Information Systems
Contact Person: GIS Coordinator
Contact Position: GIS Coordinator
Contact Address:
Address Type: mailing address
Address: State House Station 174
City: Augusta
State or Province: ME
Postal Code: 04333-0174
Country: USA
Contact Voice Telephone: 207 624-7700
Contact Facsimile Telephone: 207 287-3842
Hours of Service: Monday through Friday 0800 - 1700 EST
Resource Description: Downloadable Data
Distribution Liability:
Users must assume responsibility to determine the usability of this data for their purposes. Although these data have been processed successfully on a computer system at the Maine Office of Geographic Information Systems, no warranty expressed or implied is made by MEGIS regarding the utility of the data on any other system, nor shall the act of distribution constitute any such warranty. Neither the Maine Office of Geographic Information Systems, nor any of its contributors, is liable for misuse of the data, for damage, for transmission of viruses, or for computer contamination through the distribution of these data sets.
Standard Order Process:
Digital Form:
Digital Transfer Information:
Format Name: ESRI Shapefile
Format Version Number: ARC Version 9.x
Format Specification: ArcView Shapefile Format
Format Information Content:
MEGIS has made all vector layers, in the Maine GIS Internet Data Catalog, available in ESRI's ArcView shapefile format. A shapefile is a simple non-topological format that stores the geometry and attribute information for a set of geographic features as a set of vector (point, line, polygon) coordinates. Shapefiles draw quickly and directly in ArcView, ArcGIS, ArcExplorer. Shapefiles are a compatible data type for many other types of GIS software. Three files are fundamental to each shapefile: .shp stores the feature geometry (shape and location information); .shx stores the index of the feature geometry; .dbf a dBASE (TM) file stores the attribute information for the features. Other index files may be created to help speed analysis and query: these file formats are .sbn .sbx .ain .aix .fbn and .fbx. In addition you may find projection .prj, and metadata .xml, files associated with shapefiles.
File Decompression Technique:
Data available from this website is in .zip compressed format. WinZip is a Windows based, PKZip-compatible compression utility. You will need a program like this to extract the data. A link to a trial copy WinZip software is available at http://megis.maine.gov/links/.
Digital Transfer Option:
Online Option:
Access Instructions:
These data are available to Internet browsers for download from the Maine GIS Internet Data Catalog - http://megis.maine.gov/catalog/
Data available from this website is in .zip compressed format. WinZip is a Windows based, PKZip-compatible compression utility. You will need a program like this to extract the data. A link to a trial copy WinZip software is available at http://megis.maine.gov/links/
If you are not already a GIS user, free software for viewing these files is available from Environmental Systems Research Institute, Inc. (ESRI) - www.esri.com
See http://megis.maine.gov/links/ for a link to ArcExplorer 9.x .
Fees: Data may be downloaded from Maine GIS Internet Data Catalog at no charge.
Turnaround: Data is available for immediate download from the Maine GIS Internet Data Catalog.
Available Time Period:
Time Period Information:
Range of Dates/Times:
Beginning Date: 3/26/1999
Beginning Time: Unknown
Ending Date: Present
Ending Time: Unknown
Distribution Information
Section Index
Distributor:
Contact Information:
Contact Organization Primary:
Contact Organization: Maine Office of Geographic Information Systems
Contact Position: GIS Coordinator
Contact Address:
Address Type: mailing address
Address: State House Station 174
City: Augusta
State or Province: ME
Postal Code: 04333-0174
Country: USA
Contact Voice Telephone: (207) 624-7700
Contact Facsimile Telephone: (207) 287-3842
Hours of Service: Monday through Friday 0800 - 1700 EST
Distribution Liability: Users must assume responsibility to determine the usability of this data for their purposes.
Standard Order Process:
Digital Form:
Digital Transfer Information:
Format Name: ARCSDE
Format Version Number: ArcSDE 9.x
Format Information Content: Oracle 9i
Digital Transfer Option:
Online Option:
Access Instructions: Please contact the Maine Office of GIS (MEGIS) for access instructions.
Fees: Access is available through Maine's wide area network; WAN users may contact the Maine Office of Information Technology, Maine Office of Geographic Information Systems (MEGIS) for a login.
Metadata Reference Information
Section Index
Metadata Date: 5/1/2005
Metadata Review Date: 1/20/2010
Metadata Future Review Date:
Metadata Contact:
Contact Information:
Contact Organization Primary:
Contact Organization: (MEGIS) Maine Office of Geographic Information Systems
Contact Person: GIS Coordinator
Contact Position: GIS Coordinator
Contact Address:
Address Type: mailing address
Address: State House Station 174
City: Augusta
State or Province: ME
Postal Code: 04333-0174
Country: USA
Contact Voice Telephone: 207 624-7700
Contact Facsimile Telephone: 207 287-3842
Hours of Service: Monday through Friday 0800 - 1700 EST
Metadata Standard Name: Metadata
Metadata Standard Version: FGDC-STD-001-1998
Metadata Time Convention: local time
Metadata Access Constraints: none
Metadata Use Constraints: none
SMMS Metadata report generated Thursday, 21/January/2010