The Ham-Com talk-in frequency is 147.18+ (PL 107.2).
Talk-in: 147.18+ (PL 107.2)
Maps

You can find Ham-Com at -

Plano Centre
2000 East Spring Creek Parkway
Plano, TX 75074

GPS Coordinates: 33.055 N / 96.683 W

Plano, TX is located approximately 25 miles northeast of Dallas on US 75 (see map below). DFW International Airport is approximately 30 miles away and Dallas Love Field is approximately 18 miles. Plano is served by DART bus and rail Service to and from downtown Dallas.  

 CLICK HERE FOR DIRECTIONS TO HAM-COM

 (Zoomable/scrollable/printable map via Mapquest) 

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Using DART?
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Use DART to attend Ham-Com

Take DART Rail or the bus to the Parker Road Station in Plano. Then take the Route 350 bus to the Plano Centre stop on Spring Creek Parkway. The facility is approximately 100 yards directly south of the stop (across Spring Creek Parkway).

Buses run every 30 minutes. For complete schedule information, please visit http://www.dart.org/. Use of public transportation was suggested by William Howard, KE5CIR, who is "thinking Green."

Here's how to find Ham-Com on the map...
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From US 75 (North Central Expressway) in Plano, take Exit 31 (Spring Creek Parkway) and go east approximately one-half mile. Plano Centre is on the south-west corner of Spring Creek Parkway and Jupiter Road (local Mapsco Grid 659-D).