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| To: | [email protected] |
|---|---|
| Subject: | Re: LF: 136 Friday night, Argo settings |
| From: | [email protected] |
| Date: | Fri, 13 Dec 2002 08:02:07 EST |
| Reply-to: | [email protected] |
| Sender: | <[email protected]> |
|
Hi John, Dexter and LF group, [email protected]: If anyone wants to inhabit the 135.922 area, Dex and I are available on yes, great, I would surely like to get on the air again. Who else ?? On the receive side, there are perhaps a couple of minor issues about Argo's settings that may be worth considering: - I would probably prefer a lower speed: 90s-slow has the same resolution as 60s-normal, but shows 2.8 hours in a single screenshot (allowing me to doze away for a while without losing downloads ;-)). There is no real loss in temporal resolution as that is anyhow limited by the 10.5mHz bandwidth; the FFT interleave factor (ie number of columns per FFT length) would still be 5.3 instead of 15.9. In my experience, increasing the interleave above about 3 does not show more information, it only makes the noise blobs look wider. - I am usually avoiding the AGC automatic gain setting as it makes it impossible to distinguish between reduced signal and increased noise. Sometimes when dashes are disrupted to a pair of dots, it would help to see whether there is a burst of QRN in the middle. By the way, is John VE1ZJ currently QRV on LF? 73 es kind regards Markus, DF6NM |
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