The design and specification of complex multi-tower directional antenna systems for Medium Frequency AM broadcasting operating between 525 kHz and 1705 kHz. Preparation of Technical Briefs and applications. Spectrum analysis and channel allocation studies. Analysis, review, modification, broadbanding and adjustments of AM antenna arrays. Design, planning and implementation of detuning systems for co-location or near location of cellular radio transmission facilities at AM antenna sites. Canada?s most experienced team of MF antenna system designers with a proven record involving the design, specification and field adjustment of hundreds of single and combined dual-frequency antenna systems ranging in power from 50 watts to 100,000 watts.