Archive - Dec 20, 2017

polarization project antenna

A real good Antenna would be a 2 meter Quad, and a 70cm quad both will work well. For 2 meter quad use a 21-1/4" element length that is 5.28" per side. This is the reflector on a 1/2 diam. boom. The Driven element will be 20 1/2" (5.125)" and the director 1 will be 5.031" and director 2 will be 5.031" per each side. The length of the boom will depend of the tightness of the beam received and transmit pattern . Typical length would be 4 to 6 feet. You can adjust the spacing as to your desire. And the Same principle for 70 cm . Put them up once to tested them with the Antenna analyzer.

Walter Kernaich – Wed, 2017 – 12 – 20 20:09

Diploma NOTA Nasa On The Air ...active from dic 2017 to 2018 !

NASA On The Air (NOTE) From December 2017!

The various amateur radio clubs of the National Aeronautics and Space Administration (NASA) in the United States invite the amateur radio community to join the special NOTE event (NASA On The Air).

NOTE starts from December 2017 and continues until December 2018!

In addition to being the 60th anniversary of the agency, 2018 will mark 50 years since NASA orbiting the first human being around the moon and 20 years since the first elements of the International Space Station (ISS) were launched into Earth's orbit low.

IW2BSF – Wed, 2017 – 12 – 20 14:27
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