Downtown San Francisco is a concrete labyrinth. Tourists and residents are impressed by the massive skyscrapers dotting the SF skyline. However, this presents a problem for first responders needing a strong radio signal inside of the buildings. The public safety radio signal used by first responders doesn’t penetrate well to the interiors of these towers.
This is the first post in a series on Emergency Responders Radio Communication Systems aka ERRCS.
The signal originates from a public safety radio tower and signal strength inside a building varies depending on these factors.
- Location – Distance & Azimuth (Direction of an elevated point from an observer)
- Surroundings – Other tall concrete buildings
- Size – The wide area and configuration of walls in the building
- Structure – Being below ground level, stairwells, and elevator shafts
- Materials – Concrete, metal sidings, insulation, steel, and glass
- Electrical interference – Electrical equipment, power lines, LED lighting
There is a solution, a signal amplification system.
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