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Author Topic: DORIS satellite ground segment  (Read 1913 times)

Offline SV1XV

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DORIS satellite ground segment
« on: December 27, 2019, 0419 UTC »

DORIS DIONYSOS DIOB station (2019) par SV1XV, on ipernity

This is a photo of our local uplink to the DORIS satellite positioning system. It transmits plain carrier (N0N) on 401.25 and 2036.25 MHz for Doppler positioning, with some FSK identification packets.

For more info on this system visti the following pages:


« Last Edit: December 27, 2019, 0557 UTC by SV1XV »

Offline SV1XV

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DORIS beacon aircraft reflectopms
« Reply #1 on: December 28, 2019, 1547 UTC »

20191228-SXDVZ par SV1XV, on ipernity

The signal of DORIS DIOB transmitter on 401.25 MHz, reflected on SX-DVZ (Airbus A321, flight A3-614) with Doppler shift. The DORIS uplink is very weak at my site, it is only 19.6 km away but there is high ground blocking it.


Offline Josh

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Re: DORIS satellite ground segment
« Reply #2 on: December 28, 2019, 1843 UTC »
You've got a nice setup for passive radar there!
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Offline SV1XV

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Re: DORIS satellite ground segment
« Reply #3 on: December 29, 2019, 0230 UTC »
You've got a nice setup for passive radar there!
Some day I would like to try to receive plane reflections on 2036.25 MHz, but I need a special antenna and LNA for this.

 

Offline SV1XV

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Re: DORIS satellite ground segment
« Reply #4 on: December 29, 2019, 1835 UTC »

From a recent post by Roland DF3LZ on twitter: The station emitting DORIS signals in Wettzell on 401.25 and 2036.25 MHz:

https://pbs.twimg.com/media/EM-LfZzWoAEvjNk?format=jpg&name=4096x4096


 

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