Архив за 05.06.2019

WXtolmg Won’t Perform Map Overlay

Hey guys,

I am new to SDR so go easy on me...

For some reason every time I record an NOAA pass WXtolmg won't perform the map overlay. All I get is an image of the country borders from the NOAA pass. To record the signal I am using a 22 inch telescoping antenna with CubeSat. I have been trying to figure out why this is happening for a very long time. A couple people who have recorded NOAA passes even helped me in person and they couldn't figure out why it wasn't working. Why am I only getting an outline of the country borders and not an image of the sky?

I would really appreciate your help. Thank you.

submitted by /u/fortheloveofcars
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Comment on SignalsEverywhere: What SDR To Buy? Choose the Right one For You by Fred

No mention of the awesomely sensitive (at least in the 450+ MHz range) orange FlightAware dongles. Lame.

Comment on Using a LimeSDR Mini in SDR# by Steve K2GOG

There are a number of plugins for SDR# that offer functionality not found in SDRconsole. Using a LimeSDRmini with SDR# adds more usability. But, I will agree for some people with general needs who need easy setup as a key feature, SDRconsole may be ok for some. I tend to use many programs since they all do something bettet than the other. SDRangel for example does things others can not by a long shot. Ita downfall is tougher setup. Would love to hear your experience with LimeSDRmini and SDR# or happy to help you get it going if still having trouble.

having lots of fun dongling — using the airspy sofware. Anyone know of any good tutorials to help me…

having lots of fun dongling - using the airspy sofware. Anyone know of any good tutorials to help me get the best from it?

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Hi all, what sdr dongle has the most visible bandwidth or would i have to upgrade to a sdr play or…

Hi all, what sdr dongle has the most visible bandwidth or would i have to upgrade to a sdr play or hack rf, thanks

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Thanks for the add…Just brought my first sdr the other day and I’m hooked..it’s blummin great

Thanks for the add...Just brought my first sdr the other day and I'm hooked..it's blummin great



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Weather satellites

I might be late to the game, but I'd really like to try to get some data off of some weather satellites. I'm in eastern Europe and I've got a HackRF as an sdr. There's a Nesdr smart in the mail as well. Which satellites are still active and which could I get from here? I'm in Bucharest, Romania (geographically). Thanks!

submitted by /u/jurcanumacheamamisu
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Can I attach a larger antenna to a wireless 433MHz weather sensor?

Would it be legal to attach an external antenna to one of the classic 433MHz weather station sensors? My weather station died, so now I have only the orphaned sensor, so I thought I could repurpose it by giving it a small solar cell and a larger antenna, so I could place it somewhere further from the house and still receive it using an RTL-SDR and rtl_433.

I already tested it with rtl_433, and it works very well, but from what I understand the current antenna is a tiny coil of copper wire on the PCB, with like 2mm in diameter.

submitted by /u/derekcz
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RTL-SDR — can it be used to snoop on an RF thermometer?

I know little to nothing about RF and SDR, but wanting to learn a bit via a tinkering project.

Basically I’ve got a wireless bbq thermometer that transmits via RF. Not sure which frequency nor am I sure how I’d figure it.

I’d like to basically build my own data logger / thermal alarm to learn a by about SDR. Wondering if these relatively inexpensive SDR receivers would likely be capable of snooping on the broadcast?

Any pointers and places to start would be great.

Thanks!

FWIW: Mods the link to the wiki listed in the rules cannot be viewed on mobile.

submitted by /u/nsomnac
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Decoding FT8 with A RTL-SDR (Software defined Radio)

Decoding FT8 with A RTL-SDR (Software defined Radio) submitted by /u/KN4MKB
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