Johnston, Dick and Associates
Established in 1977, JDA is New Zealand's largest independent broadcast engineering consultancy. We offer expert engineering advice and can provide either partial or complete solutions for wireless communication systems. Our major expertise is in the TV, Radio, Mobile and Data Linking fields.

Satelite Dish
JDA's major client is TV3/TV4. We are responsible for monitoring, managing and expanding their broadcast facilities and transmission sites as well as providing them with general consultancy and advice.

JDA is also an accomplished site management company offering complete or partial site management services to meet clients' needs throughout New Zealand at over 100 sites. The most high profile and most significant of these sites is Auckland's Sky Tower.