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The planet Saturn has a density lower than water. So, if placed in water it would float.

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Disasterville is currently in the process of being replaced with a new exhibit that will open in Fall 2016. You can get a sneak peek of our new exhibit here



MOSI Amateur Radio Club

Located in the main building on the 2nd floor in Disasterville, look for the “Disaster Communications Bus.”

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Volunteers to the Ham radio station must hold a valid FCC amateur radio license, be over 18 and be accepted as a MOSI volunteer. Volunteers are asked to one shift a week, such as Wednesday morning or Tuesday afternoon. They are also asked to belong to the MOSI Amateur Radio Club which is comprised of volunteers to MOSI. To sign up, send an email to or visit the MOSI Volunteer office on the first floor.  For more information on the Ham radio station visit their official website by clicking here.




Facts About MOSI's Amateur Radio Station

    • When you enter the exhibit in Disasterville, the first computer station is where we monitor the International Space Station (ISS). It shows its location over earth, using an internet connection directly to the NASA website. All American astronauts are licensed amateur radio operators (or ham radio operators). The ISS has amateur radio equipment on it for astronauts to communicate with other hams and schools worldwide.
    • The MOSI station has both AM and FM radios. Our main shortwave (high frequency or HF) radio is an Icom 756 PRO II for long distance communications to other states and countries. We have three long distance antennas on the roof at MOSI.
    • Our FM station is used for short range communications, such as club activities and emergency contacts with the Red Cross, Sheriff’s Department, shelters and others as needed before, during and after a disaster.
    • An amateur radio repeater is an electronic device that receives a weak or low-level amateur radio signal, and retransmits it at a higher level or higher power, so the signal can cover longer distances.  MOSI has a UHF (ultra high frequency) repeater which operates on a frequency of 443.000 MHz, with an activation PL tone of 146.2 Hz. We also have a VHF (very high frequency) repeater which operates on a frequency of 145.450 MHz, with an activation PL tone of 146.2 Hz. These repeaters have excellent coverage due in part to the location of the MOSI building, and the antennas on the roof at an elevation of approximately 40’. These repeaters can reach all corners of Hillsborough County for emergency communications.

If you are a licensed Amateur Radio Operator and would like to volunteer your time, giving back to your community, please contact MOSI-ARC at  For visit the MOSI-ARC website, click here.

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