XPost: rec.radio.amateur.moderated
IW5EDI Simone - Ham-Radio
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I5MZY 13 Element Yagi for 2 Meters Band
Posted: 12 Feb 2022 01:30 PM PST
http://www.iw5edi.com/ham-radio/5385/i5mzy-13-element-yagi-for-2-meters-band
Massimo I5MZY present two variants of his 13 element Yagi antenna for 144
MHz.
The first is a 6 meter boom version and the second one a 7 meter boom
variant.
6 Meter Boom Version
PositionLenghtDiameterR010088DE28591012*D14509528D28259088D310408928D415908888D518708888D625558568D732308488D836408368D944258688D1053058788D1160009108Size
in
Millimeters
Folded Dipole
Distance between arms 50mm
shorten the arms 40mm on each side to insert a 10mm bent tube in order to
allow fine tuning of the SWR.
Element isolators are 60mm high from the boom.For other boom heights the
length should be recalculated.the dipole should be fed with a balun, half
wave lenght multplied cables velocity factor, as in the photo
7 Meter Boom Version
PositionLenghtDiameterR0100010DE53095012*D167595610D2108092010D313858728D418509168D525508568D629158568D735958768D844688848D953788768D1062538788D1170308868Size
in
Millimeters
Donwload NEC FILES
13Elements-7m.NECDownload
13Elements-6m.NECDownload
I5MZY 13 Elements Yagi Antenna for 144 MHz
I5MZY Massimo
Massimo is an avid VHF UHF Contester, and loves antenna homebrewing. You
can contact him via his qrz.com page
The post I5MZY 13 Element Yagi for 2 Meters Band appeared first on IW5EDI Simone - Ham-Radio.
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