Amateur Radio often called "Ham Radio" is really many hobbies and passions under one name. From studying the stars and creating new computer applications to bouncing signals off meteorite trails, hams enjoy using and creating technologies in new ways. Radio astronomy is a subfield of astronomy that studies celestial objects at radio first detection of radio waves from an astronomical object was in , when Karl Jansky at Bell Telephone Laboratories observed radiation coming from the Milky uent observations have identified a number of different sources of radio emission. This is a compilation of initialisms and acronyms commonly used in astronomy. Most are drawn from professional astronomy, and are used quite frequently in scientific publications. Dear Twitpic Community - thank you for all the wonderful photos you have taken over the years. We have now placed Twitpic in an archived state.
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Why Should You Get A Ham Radio License?
Why Should You Get A Ham Radio License? | Hackaday
Microwave ovens are practically everywhere — homes, work places, schools, hospitals, you name it. Also, cover the food lightly so steam can escape; otherwise, you can be steam-burned and that can be serious! Styrofoam is actually safe, but there are some exceptions. Styrofoam can safely be used in the microwave when heating pure liquids, such coffee or water for tea. Paper towels, wax paper, parchment paper, paper plates and bowls are fine in the microwave. They also may emit toxic fumes and may contain germs that can be passed on to food. When made with properly formulated glazes, glazed ceramics — everything from stoneware to china — can be used in the microwave.
Ham radio far from over or out
WHEN you think of the instant communication at our fingertips thanks to web-enabled mobile devices and the social media explosion of Twitter and Facebook, it's easy to dismiss amateur radio as a dusty relic destined for oblivion. But the bastions of ham radio believe the century-old form of radio communication is as relevant as ever - it proved invaluable during recent natural disasters in Australia, Japan, China, Pakistan and Haiti. When the mobile phone network was jammed and the fire had damaged landlines, locals flocked to citizen band radio. A curious koala climbs on the frame of Doug McArthur's giant satellite dish at Glenburn.
CEPT operation does not replace reciprocal licensing — rather it supplements it. Only temporary operation is permitted under CEPT rules, eg from hotel accommodation or mobile. Therefore, if you seek either long-term over three months residence or additional facilities, you still need to apply for a reciprocal licence.