David Connolly

David Connolly is a Customer Support Engineer for SES America. With over 35 years of engineering experience in a broad range of technical endeavors, Dave brings a wealth of experience to the unique needs if the ITS industry. From the theoretical to the boots-on-the-ground, he provides value-added solutions to each customers needs.

Recent Posts

Discover the Environmental Standards Defined by NEMA TS4

Posted by David Connolly on Sep 16, 2016 10:00:00 AM

We recently published a blog about the 5 Display Properties Defined by NEMA TS4 and are continuing with our series referencing these specifications for Dynamic Message Signs (DMS). This installment will examine the Environmental Requirements described in Section 2 of NEMA TS4 that establishes the limits of operational conditions in which the DMS must perform. They are also intended to make sure the DMS is delivered in good condition.

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Topics: State Government, Municipal Government, Grid-Powered DMS, Federal Government, Mobility, Solar Signs

Discover the 5 Display Properties Defined by NEMA TS4

Posted by David Connolly on Jun 2, 2016 12:39:44 PM

The NEMA TS4 Hardware Standards for Dynamic Message Signs (DMS) with NTCIP Requirements is a product of the NEMA 3-TS, Transportation Management Systems and Associated Control Devices Section. It is intended to provide the user a safe, dependable, functional and easily maintained Dynamic Message Sign. To this end, the standard provides the minimum hardware and functional characteristics of electronically controlled DMS used for displaying messages to travelers.

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Topics: State Government, Municipal Government, Grid-Powered DMS, Federal Government, Mobility, Solar Signs