Архив за 13.12.2018

IQ file

I have recorded a NOAA pass with an android app and the output file has iq format. Wxtoimg is not able to open that kind of file just wav ones. Is there any tool or way to convert it?

submitted by /u/makutene
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Comment on Buy RTL-SDR Dongles (RTL2832U) by Bs

hi, i was buyed v3 from aliexpress (https://www.aliexpress.com/store/product/RTL-SDR-Blog-RTL-SDR-V3-R820T2-RTL2832U-1PPM-TCXO-SMA-RTLSDR-Software-Defined-Radio-with/4523039_32936334224.html?spm=2114.12010608.0.0.b45b32feBuikfq) i think its the original store becouse i see that store in this website(cause i know v3 is that website’s product) but im scaring becouse i think it can be fake

MeteorM2 12/13/2018 — St. Lawrence looking cold!

MeteorM2 12/13/2018 - St. Lawrence looking cold! submitted by /u/jeffreypkelly
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ivanovgoga понял попробую. Спасибо!

bat764 пишет:
ivanovgoga понял попробую. Спасибо!
читать полностью...
Широкополосный приёмник из DVB донгла - Страница #558

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Meteor M2 images missing chunks of data, but NOAA ones are perfect

https://imgur.com/a/p3NHIoq

I previously had a double cross antenna that was getting really good images from both NOAA and meteor but was made from wood and was starting to get all rotten (was more temporary). I decided to spend a bit more money on permanently installing a custom made aluminum one and i've run into a problem with the meteor M2 images.

They appear choppy, like they are missing data or something. But it doesn't seem random, almost like there's a pattern. I don't know if it's just because it's been cloudy and it's bad luck for a few times or because my new antenna has a design fault but it's missing like 25% of the image. Wondering if it's a software, hardware issue or maybe my cable itself is just bad or something, sometimes jiggling the connectors cause the signal to jump around but I set everything up and didn't touch it during the captures so I don't think that is the problem.

The first two METEOR pictures were taken at night so i've posted the IR channels and the third image is from a NOAA satellite taken the same day as a comparison

I am using SDR# sampling at 2.56MBPS, using the Meteor Decoder plugin to get the .s file, which I then put into the offline decoder and then smooth meteor for further rectification. I've got one of those Nooelec usb dongle SDRs.

Would appreciate any help. Thank you.

submitted by /u/BoomBrush
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spyserver and windows software

I have set up raspberry pi 2 as a spyserver, simple really and can connect to it with SDR#

Is it possible to connect to the radio with other software not specifically designed for it via some sort of application that can emulate the USB interface?

Difficult to google or explain what I mean.

This sort of setup for example, unless there is a way to tell echoes to use a tcp connection

[Raspberry pi] -> [spyserver] -> [some_app] -> [echoes meteor detector]

submitted by /u/doghousedean
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Comment on Amazon AWS Satellite Ground Stations Now Available For Hire by Hiroshi Yamazaki

Can I receive NOAA APT HRPT and Meteor-M N2 Metop Fengyun ?

MeteorGIS vraagje

Hallo forumleden,

ik zit met een probleem waar ik maar niet achter kan komen.

Uitgangspunt zijn 2 Window10 systemen, geinstalleerd op een Desktop, is al wat langer in gebruik,
en op een Laptop van recentere datum.

Op beide machines is exact het zelfde MeteorGISprogramma ge-installeerd, met exact dezelfde instellingen en identieke RTL DVBUSB stick.
Mijn MeteorGIS programma op de laptop kan de data van weersatellieten prima decoderen.
Op de desktop wil dat maar niet lukken.

MeteorGIS

Ogenschijnlijk werkt het programma op de desktop alles goed af, alles schermen staan op actief wachtend op decodering, alleen, er komt geen opbouw van het plaatje op het scherm. In het SDRSharp venster zie ik wel aan het decodeer beeld patroontje dat decodering plaats vindt, maar de LRPT analyzer neemt de decodering niet over.

Ik vraag mij eigenlijk af of hier iets anders aan de hand is en dan met name of W10 op de desktop de boosdoener kan zijn.

Mogelijk krijg ik enige hints binnen om dat euvel te verhelpen.

Alvast dank, Marconist

submitted by /u/Marconist
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Radiofax from DWD

Radiofax from DWD submitted by /u/makutene
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характеристику приемного тракта «без антенны» так не снимают. нагрузите вход резистором 50-75 Ом и гляньте.

ivanovgoga пишет:
характеристику приемного тракта "без антенны" так не снимают. нагрузите вход резистором 50-75 Ом и гляньте.
читать полностью...
Широкополосный приёмник из DVB донгла - Страница #558

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