AOS EL

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Richard Kilmer

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May 21, 2026, 2:09:37 PMMay 21
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Does anyone know what EL is used for AOS?  Is it 0.0 degrees or something above the horizon like 5 degrees.  Thanks.

Joseph Moore

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May 21, 2026, 2:11:50 PMMay 21
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Excellent question!

On 5/21/2026 3:09 PM, Richard Kilmer wrote:
Does anyone know what EL is used for AOS?  Is it 0.0 degrees or something above the horizon like 5 degrees.  Thanks. --
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Alex VE3NEA

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May 21, 2026, 9:34:49 PMMay 21
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AOS occurs when the satellite crosses the 0 degrees elevation

VK5HW

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May 22, 2026, 1:07:10 AMMay 22
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AOS = Acquisition Of Signal

So if your horizon mask is 360 degree with 0 degree elevation then sure AOS = 0 . However, at my QTH I would need multipel AOS setting as I have 0 degree only into one small spot of the Compass. But even then I would most likely use 3-5 degree as the noise from ground sources would degrade SNR/CNR.

This might help, https://www.heywhatsthat.com/?view

73 VK5HW (Hauke)
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Günther Angst

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May 22, 2026, 7:48:15 AMMay 22
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Hi all,
tried to connect Skyroof to Pstrotator, but no success.
Has anyone successfully tried?
73, OE3GAA

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