
SUCCESS STORY: Telegrafia’s Gibon Multi-Siren Early Warning System on the Island of Cebu
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Country: The Philippines, Asia
Goal of the project: Implementation of a reliable and state-of-the-art early warning system to warn the citizens of impending threats
Commencement of the project: 2023/4
Multiple Gibon electronic sirens on the island of Cebu
The island of Cebu, a vibrant jewel in the Philippine archipelago, is a beautiful place with a local population. However, beneath this idyllic facade lies vulnerability to the forces of nature. Like many of the islands in the Philippines, Cebu is situated in the Pacific Ring of Fire, making it prone to frequent earthquakes, volcanic eruptions, and typhoons. These natural disasters constantly threaten the island’s population, infrastructure, and economy. Recognising this vulnerability, the residents of Cebu have embraced the Gibon electronic multi-siren system as a vital life-saving measure. These sirens, strategically placed throughout the island, provide a timely and effective warning system for approaching natural disasters, allowing the local people to evacuate to safety, secure their belongings, and prepare for the impending threat. The Gibon system, through its piercing and unmistakable sound, empowers Cebuanos with the vital seconds and minutes they need to react proactively, minimise casualties, and protect their communities.


Sound of the Gibon sirens in real-world scenarios
Powerful Gibon sirens are designed to emit thunderous and piercing sounds to warn the public of imminent danger or emergencies. These sirens can produce sound levels over 120 decibels (dB). The high output generated by these electronic sirens is necessary to ensure they can be heard over long distances and in noisy environments, such as natural disasters. The sound emitted by the sirens is often described as a piercing wail or a shrill alarm designed to attract attention and elicit an immediate response. To avoid hearing damage, it is essential that they are installed above pedestrian zones and that a safe distance is maintained when they are activated. The true impact of a siren’s volume can only be experienced first-hand. We are pleased to present two interesting videos about the activation of siren alarms. By capturing the raw and unfiltered sound of the sirens in real-world scenarios, these hand-crafted films offer a visceral understanding of how loud and attention-grabbing they can be.

The article was written by
Michal Rosinski
Michal has lived in six countries, and he can speak four languages. He represents Telegrafia in the USA, Asia, Australia and Germanic countries as an international business manager. He is a big fan of Jamie Oliver, eats healthily, but he still loves unhealthy food. He does not agree with Mark Twain that people can live on a good compliment for two months. Michal is a bookworm, believes in experience-dependent brain neuroplasticity that takes it roots in the idea of what we focus on. He agrees with Raj Koothrappali that Aquaman sucks; he is familiar with the fact that not Mount Everest but Olympus Mons is the tallest mountain known to man.