It will be a long time, if ever, before people separate the two companies. In the end, they're part of the same larger company regardless of their name.
Just check the executives of the two companies, just really two in name:
From
EchoStar Corporation - Management
Charles W. Ergen - Chairman of the Board, President and Chief Executive Officer
R. Stanton Dodge - Executive Vice President, General Counsel and Secretary
Bernard L. Han - Executive Vice President and Chief Financial Officer
Mark W. Jackson - President, EchoStar Technologies L.L.C.
Dean A. Olmstead - President, EchoStar Satellite Services L.L.C.
Steven B. Schaver - President, EchoStar International Corporation
From
DISH Network - Investor Relations - 1.888.825.2557
Charles W. Ergen, Chairman of the Board, President and Chief Executive Officer Carl E. Vogel, Director and Vice Chairman
Bernard L. Han, Executive Vice President and Chief Financial Officer
R. Stanton Dodge, Executive Vice President, General Counsel and Secretary
Stephen Wood, Executive Vice President and Chief Human Resources Officer
James DeFranco, Executive Vice President, Sales & Distribution, Marketing
W. Erik Carlson, Executive Vice President, Operations
Thomas L. Stingley, Executive Vice President, Sales and Distribution
Tom Cullen, Executive Vice President, Corporate Development
Michael Kelly, Executive Vice President, Commercial and Business Services
A lot of cross pollenation between the two companies.