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Satellite Launches and Retirements
EchoStar XXI : The S-band satellite for Europe
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<blockquote data-quote="s-band" data-source="post: 1018753" data-attributes="member: 407744"><p>I just need a 12m dish to get the same angular resolution as on Ka. I can't see anything at the moment as it is almost max excursion. I have an RHCP feed on the S-Band LNB. That document suggests it's linear. Is it?</p><p></p><p></p><p></p><p>I could only detect it at +/-2 degrees and only find it when it was +/- 1 degree. I was using a horizontal feed. There was no problem finding it however, 1kHz BW makes it much easier and I set the Gilat to within 10kHz (it wanders +/-10kHz when the sun hits it). Go to 10E and left a bit or use 9E and left a bit more.</p><p></p><p>The signal dropped 3dB at 0.8deg off, 11dB at 1.6 deg, 14dB at 1.76, 17db at 2deg and I lost it at 2.2deg in 1khz.</p><p></p><p>[USER=175005]@John[/USER], it's -5.5 degrees at1845 BST</p></blockquote><p></p>
[QUOTE="s-band, post: 1018753, member: 407744"] I just need a 12m dish to get the same angular resolution as on Ka. I can't see anything at the moment as it is almost max excursion. I have an RHCP feed on the S-Band LNB. That document suggests it's linear. Is it? I could only detect it at +/-2 degrees and only find it when it was +/- 1 degree. I was using a horizontal feed. There was no problem finding it however, 1kHz BW makes it much easier and I set the Gilat to within 10kHz (it wanders +/-10kHz when the sun hits it). Go to 10E and left a bit or use 9E and left a bit more. The signal dropped 3dB at 0.8deg off, 11dB at 1.6 deg, 14dB at 1.76, 17db at 2deg and I lost it at 2.2deg in 1khz. [USER=175005]@John[/USER], it's -5.5 degrees at1845 BST [/QUOTE]
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EchoStar XXI : The S-band satellite for Europe
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