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Google does not know anything about anything. People with web pages that Google accesses know things. 1/4 wave spacing is not a hard and fast rule however if you change the spacing you must also change the phase delay line length to compensate and ensure that each element gets fed at the proper time as compared to the others.

Some bedtime reading with all the phased array info you would want.

http://www.w8ji.com/tx_four_square.htm

https://www.google.ca/url?sa=t&rct=j&q=&esrc=s&source=web&cd=5&ved=0ahUKEwj6lsa7hp7MAhUkt4MKHfUYDswQFggzMAQ&url=http://www.dxengineering.com/pdf/acb-4-a-series-rev1.pdf&usg=AFQjCNGLAydT-D9N_9OfuJQH6Y44H2ra-w&cad=rja

https://www.google.ca/url?sa=t&rct=j&q=&esrc=s&source=web&cd=9&ved=0ahUKEwj6lsa7hp7MAhUkt4MKHfUYDswQFghKMAg&url=http://www.ov-n15.de/wordpress/wp-content/uploads/2015/05/en_ver_final4-sq_03_04_15.pdf&usg=AFQjCNEmNiCKzvH0Nn5B9_DePhScuLjjEQ&cad=rja

<blockquote data-quote="Captain Kilowatt" data-source="post: 549865" data-attributes="member: 39">Google does not know anything about anything. People with web pages that Google accesses know things. <img src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/1f609.png" class="smilie smilie--emoji" loading="lazy" width="64" height="64" alt=";)" title="Wink&nbsp; &nbsp; ;)"&nbsp; data-smilie="2"data-shortname=";)" /> 1/4 wave spacing is not a hard and fast rule however if you change the spacing you must also change the phase delay line length to compensate and ensure that each element gets fed at the proper time as compared to the others.Some bedtime reading with all the phased array info you would want.<a href="http://www.w8ji.com/tx_four_square.htm" target="_blank">http://www.w8ji.com/tx_four_square.htm</a><a href="https://www.google.ca/url?sa=t&amp;rct=j&amp;q=&amp;esrc=s&amp;source=web&amp;cd=5&amp;ved=0ahUKEwj6lsa7hp7MAhUkt4MKHfUYDswQFggzMAQ&amp;url=http%3A%2F%2Fwww.dxengineering.com%2Fpdf%2Facb-4-a-series-rev1.pdf&amp;usg=AFQjCNGLAydT-D9N_9OfuJQH6Y44H2ra-w&amp;cad=rja" target="_blank">https://www.google.ca/url?sa=t&amp;rct=j&amp;q=&amp;esrc=s&amp;source=web&amp;cd=5&amp;ved=0ahUKEwj6lsa7hp7MAhUkt4MKHfUYDswQFggzMAQ&amp;url=http://www.dxengineering.com/pdf/acb-4-a-series-rev1.pdf&amp;usg=AFQjCNGLAydT-D9N_9OfuJQH6Y44H2ra-w&amp;cad=rja</a><a href="https://www.google.ca/url?sa=t&amp;rct=j&amp;q=&amp;esrc=s&amp;source=web&amp;cd=9&amp;ved=0ahUKEwj6lsa7hp7MAhUkt4MKHfUYDswQFghKMAg&amp;url=http%3A%2F%2Fwww.ov-n15.de%2Fwordpress%2Fwp-content%2Fuploads%2F2015%2F05%2Fen_ver_final4-sq_03_04_15.pdf&amp;usg=AFQjCNEmNiCKzvH0Nn5B9_DePhScuLjjEQ&amp;cad=rja" target="_blank">https://www.google.ca/url?sa=t&amp;rct=j&amp;q=&amp;esrc=s&amp;source=web&amp;cd=9&amp;ved=0ahUKEwj6lsa7hp7MAhUkt4MKHfUYDswQFghKMAg&amp;url=http://www.ov-n15.de/wordpress/wp-content/uploads/2015/05/en_ver_final4-sq_03_04_15.pdf&amp;usg=AFQjCNEmNiCKzvH0Nn5B9_DePhScuLjjEQ&amp;cad=rja</a></blockquote>

[QUOTE="Captain Kilowatt, post: 549865, member: 39"] Google does not know anything about anything. People with web pages that Google accesses know things. ;) 1/4 wave spacing is not a hard and fast rule however if you change the spacing you must also change the phase delay line length to compensate and ensure that each element gets fed at the proper time as compared to the others. Some bedtime reading with all the phased array info you would want. [URL]http://www.w8ji.com/tx_four_square.htm[/URL] [URL='https://www.google.ca/url?sa=t&rct=j&q=&esrc=s&source=web&cd=5&ved=0ahUKEwj6lsa7hp7MAhUkt4MKHfUYDswQFggzMAQ&url=http%3A%2F%2Fwww.dxengineering.com%2Fpdf%2Facb-4-a-series-rev1.pdf&usg=AFQjCNGLAydT-D9N_9OfuJQH6Y44H2ra-w&cad=rja']https://www.google.ca/url?sa=t&rct=j&q=&esrc=s&source=web&cd=5&ved=0ahUKEwj6lsa7hp7MAhUkt4MKHfUYDswQFggzMAQ&url=http://www.dxengineering.com/pdf/acb-4-a-series-rev1.pdf&usg=AFQjCNGLAydT-D9N_9OfuJQH6Y44H2ra-w&cad=rja[/URL] [URL='https://www.google.ca/url?sa=t&rct=j&q=&esrc=s&source=web&cd=9&ved=0ahUKEwj6lsa7hp7MAhUkt4MKHfUYDswQFghKMAg&url=http%3A%2F%2Fwww.ov-n15.de%2Fwordpress%2Fwp-content%2Fuploads%2F2015%2F05%2Fen_ver_final4-sq_03_04_15.pdf&usg=AFQjCNEmNiCKzvH0Nn5B9_DePhScuLjjEQ&cad=rja']https://www.google.ca/url?sa=t&rct=j&q=&esrc=s&source=web&cd=9&ved=0ahUKEwj6lsa7hp7MAhUkt4MKHfUYDswQFghKMAg&url=http://www.ov-n15.de/wordpress/wp-content/uploads/2015/05/en_ver_final4-sq_03_04_15.pdf&usg=AFQjCNEmNiCKzvH0Nn5B9_DePhScuLjjEQ&cad=rja[/URL] [/QUOTE]

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