2  No. of techs who died in 2010 through September (5)

 3  Key component of a drill rig (8)

 6  Eighth largest tower company in the US (7)

 7  Valmont Industries acquired this company in 2001 (5)

 9  Carrier with the largest number of cell sites (6)

11 The decrease in intensity of a signal (11)

14 The country with the first commercial cell network (5)

15 Hammer for FCC siting deadlines (9)

17 President of CTIA (7)

18 Company that engineered system to change-out legs (6)

19 Technology used for wireless devices (9)

22 Poster child video of how not to climb (16)

23 Logarithmic unit of signal power ratio (7)

25 Another term for a guy wire sleeve (7)

27 New broadband entrant (12)

 2  CEO of a tower company that is an attorney (6)

 4  Carrier with the most subscribers (7)

 5  State with tallest broadcast tower in America (11)

 8  Entrance and exit to a communications network (7)

10 Small mobile base station (8)

12 NBC industry special (9)

13 Largest owner of towers in the U.S. (11)

15 Tower company acquired by American Tower (11)

16 Number of State Wireless Associations (11)

20 Company with online tower industry training (9)

21 Tower company CEO who is a polo player (5)

23 Founder of Rohn's first name (6)

24 A measure of the speed of transmission of data (4)

26 Design considerations for a tower: Twist and ... (4)