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filipsPL / autowx2

The program for scheduling recordings and processing of the satellite and ground radio transmissions (like capturing of the weather APT images from NOAA satellites, voice messages from ISS, fixed time recordings of WeatherFaxes etc.) :earth_africa: :satellite:
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Embedding MLRPT for recording Meteor M2 images #46

Closed DL4OCH closed 5 years ago

DL4OCH commented 5 years ago

Is it possible, to embed mlrpt for Meteor M2 images as well ? It would be nice, to have a high quality weather-picture source as well.

Should be easy to implement another module for this case, (except for me)...

Best, Wilm

filipsPL commented 5 years ago

Hi Wilm,

Should be easy to implement another module for this case, (except for me)...

Yes, it should be! Unfortunately I don't have the hardware to test this modules, but maybe some other people would like to give it a try?

If there is a program for Meteor recording/decoding, which can be run from the command line, than building a module from it is super-simple.

filipsPL commented 5 years ago

Also, please see issue #38

DL4OCH commented 5 years ago

Hi Filip,

have a look at : http://5b4az.org Go to weather imaging & Meteor-M ...

There is a piece of software called mlrpt which is a command-line receiver/decoder.

http://www.5b4az.org/pkg/lrpt/mlrpt-1.1.tar.bz2

That one even works on Raspberry-Pi, so should be usefull for everybody.

Best,  Wilm

On 19.11.18 21:22, filips wrote:

Hi Wilm,

Should be easy to implement another module for this case, (except
for me)...

Yes, it should be! Unfortunately I don't have the hardware to test this modules, but maybe some other people would like to give it a try?

If there is a program for Meteor recording/decoding, which can be run from the command line, than building a module from it is super-simple.

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filipsPL commented 5 years ago

Good. I was able to download and compile the decoder (tested for 4.18.0-2-686-pae #1 SMP Debian 4.18.10-2 (2018-11-02) i686 GNU/Linux). As soon as I get some signal probes I will test it and try to make a module out of it.

But definitely we will need some beta testers then... :sweat_smile:

DL4OCH commented 5 years ago

Hi Filip, I appreciate your approach. I'm ready to beta-test with my antenna...

Best, Wilm

filipsPL commented 5 years ago

I've created an super experimental module for meteor-m2 support, living in the modules/meteor-m2. Please read our wiki page on this topic: https://github.com/filipsPL/autowx2/wiki/meteor-m2 (disclaimer: very crude notes - feel free to edit, polish it, add more info...)

happy testing!

DL4OCH commented 5 years ago

Tested it since yesterday and firgured out, that mlrpt duration is not seconds, but minutes. Means, wrong documentation of mlrpt. We need to hand over minutes, not seconds.

filipsPL commented 5 years ago

True, but (at least for 1.1) one may provide start-stop time range and duration is optional: mlrpt -f $freq -s $startT-$stopT (time HHMM in UTC) so we don't care about duration. At least I hope so...

filipsPL commented 5 years ago

... I think we should care about duration... I've added support for the duration in the meteor module: mlrpt -f $freq -s $startT-$stopT -t $durationMin available in the current commit.

SA7BNT commented 5 years ago

Hallo Filip,

i just run the mlrpt by hand. Here i got the pics after Meteor is transmitting again.

When the meteor.sh inside autowx2 starts it seems that there is something going wrong. I don’t know what but i should guess it can be from the autowx2_config.py the option skipFirst = 20

It seems that after the first 20 sek. he received on the wrong freq. because mlrpt still is running. A nice feature for mlrpt should be that it is possible to deactivate skipFirst / skipLast option in autowx2_config.py.

Best Tim

Pic´s when i run by hand.

09jan2019-0906-ch0 09jan2019-0906-ch1 09jan2019-0906-ch2 09jan2019-0906-combo

filipsPL commented 5 years ago

Congratulations on nice images!

So what if in autowx2_config.py you set: skipFirst = 0?

SA7BNT commented 5 years ago

Will give it a try. Next pass tomorow.

SA7BNT commented 5 years ago

God morning, tried to set SkipFirst = 0 and SkipLast = 0 But i get the same result.

If you looking at the last part of the log the used freq. is

mlrpt: Set SDR Frequency to 461046.5kHz

but why?? Where is he getting the freq. from??

2019-01-11 09:12 !! Recording ● METEOR-M2 :: 2019-01-11 09:11 to 2019-01-11 09:27, dur: 15:30, max el. 69°; azimuth: 104° (E→) f=137900000Hz; Decoding: modules/meteor-m2/meteor.sh
/home/sa7bnt/autowx2/ Bruzaholm fileNameCore=20190111-0911_METEOR-M2 satellite=METEOR-M2 start=1547194301 duration=911 peak=69 azimuth=104 freq=137900000 0813-0827, duration: 16 min Found Rafael Micro R820T tuner Allocating 15 zero-copy buffers mlrpt: Paused till 08:13 UTC. Operation Timer set to 840 sec mlrpt: Pause Timer Expired mlrpt: Operation Timer set to 960 sec mlrpt: SDR Receiver Type: RTL-SDR mlrpt: SDR Device Index: 0 mlrpt: SDR Receiver I/Q Sample Rate: 288000 mlrpt: Roofing Filter Bandwidth: 150000 mlrpt: Manual Gain Setting: 90 mlrpt: Frequency Correction Factor: 11 mlrpt: Satellite Frequency kHz: 137900 mlrpt: Decoding Duration: 900 mlrpt: RRC Filter Order: 32 mlrpt: RRC Filter alpha factor: 0.6 mlrpt: Costas PLL Loop Bandwidth: 200 mlrpt: Transmitter QPSK Symbol Rate: 72000 mlrpt: Demodulator Interpolation Factor: 4 mlrpt: LRPT Decoder Output Mode: 3 mlrpt: Save As image file type: 1 mlrpt: JPEG Quality Factor: 85 mlrpt: LRPT Decoder Save Raw Images flag: 0 mlrpt: LRPT Decoder Image Normalize flag: 1 mlrpt: LRPT Decoder Image CLAHE Enhance flag: 1 mlrpt: LRPT Decoder Image Colorize flag: 1 mlrpt: LRPT Decoder Red APID: 68 mlrpt: LRPT Decoder Green APID: 65 mlrpt: LRPT Decoder Blue APID: 64 mlrpt: Invert Palette APID: 68 mlrpt: Red Channel Normalization Range: 0-230 mlrpt: Green Channel Normalization Range: 0-255 mlrpt: Blue Channel Normalization Range: 60-255 mlrpt: Blue Channel min pixel value in pseudo-color image: 60 mlrpt: Blue Channel max pixel value to enhance in pseudo-color image: 80 mlrpt: Blue Channel cloud area pixel value threshold: 210 mlrpt: Directory to save images in: /home/sa7bnt/mlrpt/images/ mlrpt: Initializing RTLSDR Device mlrpt: RTLSDR Device Information: mlrpt: Device Index: 0 Name: Generic RTL2832U OEM Manufacturer: NOAA Product: RTL2838UHIDIR Serial: 00000002 mlrpt: Tuner Type: R820T mlrpt: Set SDR Frequency to 461046.5kHz mlrpt: Frequency Correction: 11 ppm mlrpt: Setting Tuner Gain Mode to Manual mlrpt: Setting Tuner Gain to 44dB mlrpt: ADC Sample Rate: 288000 S/s mlrpt: RTLSDR Device Initialized OK mlrpt: Decoding from RTL-SDR Receiver mlrpt: Operation Timer Started: 960 sec mlrpt: Decoding of LRPT Images Started mlrpt: PLL Unlocked mlrpt: Operation Timer Expired mlrpt: Receiving and Decoding Ended

DL4OCH commented 5 years ago

Good morning at all!

Solved the issue by removing the "-f" option in meteor.sh. As Meteor-M2 only uses 137900kHz, mlrpt defaults will do the job:

http://lampensalat.de:4448/autowx2/mlrpt/images/

Modification in Meteor.sh

mlrpt -s $startT-$stopT -t $durationMin

Best,

 Wilm, DL4OCH

On 11.01.19 09:43, SA7BNT wrote:

God morning, tryed to set SkipFirst = 0 and SkipLast = 0 But i get the same result.

If you looking at the last part of the log the used freq. is

mlrpt: Set SDR Frequency to 461046.5kHz
but why?? Where is he getting the freq. from??

2019-01-11 09:12 !! Recording â—� METEOR-M2 :: 2019-01-11 09:11 to
2019-01-11 09:27, dur: 15:30, max el. 69°; azimuth: 104° (E→)
f=137900000Hz; Decoding: modules/meteor-m2/meteor.sh
/home/sa7bnt/autowx2/
Bruzaholm
fileNameCore=20190111-0911_METEOR-M2
satellite=METEOR-M2
start=1547194301
duration=911
peak=69
azimuth=104
freq=137900000
0813-0827, duration: 16 min
Found Rafael Micro R820T tuner
Allocating 15 zero-copy buffers
mlrpt: Paused till 08:13 UTC. Operation Timer set to 840 sec
mlrpt: Pause Timer Expired
mlrpt: Operation Timer set to 960 sec
mlrpt: SDR Receiver Type: RTL-SDR
mlrpt: SDR Device Index: 0
mlrpt: SDR Receiver I/Q Sample Rate: 288000
mlrpt: Roofing Filter Bandwidth: 150000
mlrpt: Manual Gain Setting: 90
mlrpt: Frequency Correction Factor: 11
mlrpt: Satellite Frequency kHz: 137900
mlrpt: Decoding Duration: 900
mlrpt: RRC Filter Order: 32
mlrpt: RRC Filter alpha factor: 0.6
mlrpt: Costas PLL Loop Bandwidth: 200
mlrpt: Transmitter QPSK Symbol Rate: 72000
mlrpt: Demodulator Interpolation Factor: 4
mlrpt: LRPT Decoder Output Mode: 3
mlrpt: Save As image file type: 1
mlrpt: JPEG Quality Factor: 85
mlrpt: LRPT Decoder Save Raw Images flag: 0
mlrpt: LRPT Decoder Image Normalize flag: 1
mlrpt: LRPT Decoder Image CLAHE Enhance flag: 1
mlrpt: LRPT Decoder Image Colorize flag: 1
mlrpt: LRPT Decoder Red APID: 68
mlrpt: LRPT Decoder Green APID: 65
mlrpt: LRPT Decoder Blue APID: 64
mlrpt: Invert Palette APID: 68
mlrpt: Red Channel Normalization Range: 0-230
mlrpt: Green Channel Normalization Range: 0-255
mlrpt: Blue Channel Normalization Range: 60-255
mlrpt: Blue Channel min pixel value in pseudo-color image: 60
mlrpt: Blue Channel max pixel value to enhance in pseudo-color
image: 80
mlrpt: Blue Channel cloud area pixel value threshold: 210
mlrpt: Directory to save images in: /home/sa7bnt/mlrpt/images/
mlrpt: Initializing RTLSDR Device
mlrpt: RTLSDR Device Information:
mlrpt: Device Index: 0 Name: Generic RTL2832U OEM
Manufacturer: NOAA Product: RTL2838UHIDIR Serial: 00000002
mlrpt: Tuner Type: R820T
mlrpt: Set SDR Frequency to 461046.5kHz
mlrpt: Frequency Correction: 11 ppm
mlrpt: Setting Tuner Gain Mode to Manual
mlrpt: Setting Tuner Gain to 44dB
mlrpt: ADC Sample Rate: 288000 S/s
mlrpt: RTLSDR Device Initialized OK
mlrpt: Decoding from RTL-SDR Receiver
mlrpt: Operation Timer Started: 960 sec
mlrpt: Decoding of LRPT Images Started
mlrpt: PLL Unlocked
mlrpt: Operation Timer Expired
mlrpt: Receiving and Decoding Ended

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SA7BNT commented 5 years ago

Well done