I’m making a h line telescope for a school project using a rtlsdr and a sawbird , however I don’t know how to make the antenna. I would like to make it using an old sat dish. However I also would like to use it for other sdr projects such as weather satellites and such. Is there any way to make an antenna from a sat dish.

So given Im using LimeSDR mini for 2G cell station (osmo-nitb if you are curious). I want to put smth in between sdr and antennas to manage signal level. By "manage signal level" I need to turn signal off (or make it extremely weak) and turn it on again. So this smth inbetween should act as an amplifier(?) with some sort of API.

Could you advice some device with such capabilities? This device should work independently of other hardware.

Thank you in advance!

PS Starting/restarting software is extremely(!) inconvenient for my case.

I am trying to use Zadig to install the “Bulk-In, Interface 0” driver but that is not listed. Instead I have “V4” listed. When I run SDR#, it is as if the USB loses power overtime and then snaps on for a moment. If I try to use RTL 1090, it finds “Generic RTL2832U OEM” as the device, but no input audio goes through. Anyone ever seen this? I have tried deleting “V4” driver and it comes right back when I restart the computer.

Websdr 192.168.1.4:8901

So hear me out, connect antenna wire to aluminum rain downspout, entire gutter system is aluminum, ungrounded. And isolated from the house via wood and plastic (siding and trim)...would this make my whole rain collection system into a dx antenna

Also use the unused cable lines as wiring inside the house to get to the rtlsdr

We have FiOS and the coax is unused...might have to replace splitters with barrel connectors and make 1 strait route to where I'd like to tap in

For me it was my stepdad who had a short career as a pilot in the 70s, before getting into software developement etc.. I remember he gave me this when i was young in the early nineties.. Growing up in westberlin there was a lot of airband and even lots of taxi traffic etc on around 145 when i scanned as a young kid.. Recently wondered where my Faszination for SDR comes from and then remembered this..

I have a Pi 4 in an Argon One case running TVheadend headless. It's connected to a simple aerial. Works fine for DVB-T. However I also have one of these lying around:

https://www.amazon.co.uk/gp/product/B01GDN1T4S/

and the basic antenna it came with. Would there be software for Pi OS Lite 64bit for it that could run alongside TVHeadend safely? I was only hoping to get radio channels. Not sure if I can hope for more with that antenna.

Just curious. I was looking at OpenWEB RX+ but that's probably overkill? I know very little about SDR but got to start somewhere.

I changed from Sharp to SDR++, and i had more succeed with it!

I would like to try a couple of plugins, as i dont really have any activities here on pmr etc, pretty empty area... Is there any list of compatible plugins? Like DMR or anything? Im not sure if there are any compatible plugins from Sharp, as i tryed one plugin already, the CTCSS (.dll) and its not working. (Maybe its included somewhere already and i just didnt found it...?)

Anyone can help me out with this, so i can understand how ++ works at this stage?
Thanks

I'm new to the hobby and a bit intimidated by the DIY QFH guides I'm seeing if only for a lack of tools at the moment. Are there any alternative antennas I could purchase to get my first attempt done? I've heard the antenna that comes with the Blog V4 isn't great for this application. Thanks!

Can you get radio reference with a cash prepaid credit card from the store?

I've been finding a lot of out of place HF signals when I'm using The V4 in SDR++ I've realised it seems to be related to the Sample rate. When I set it on its lowest setting to span 250khz of the spectrum, which I thought would be best when your trying to fine tune things, it results in out of place signals. I.e. shortwave and in the Marine bands and radar in the sw Broadcast bands. Kick it up to span 1MHz of the spectrum and these signals disappear. Does this setting actually change anything with what's happening with the dongle? or is it just a setting in the SDR++ software?

Hey, I have an rtl_sdr connected to raspberrypi.

When I run this command:
rtl_fm -f 95M -M wbfm -s 200k -r 44k - | sox -t raw -r 44k -e signed -b 16 -c 1 -V1 - -t wav recorded_fm.wav trim 0 10

It produces a perfect fm-radio recording and demod.

Yet when I do this:
rtl_sdr -f 95000000 -s 2000000 -g 30 -n 20000000 signal_record.iq

I get absolute garbage.
This is how it looks like when I try to open it using file source in grc:

https://preview.redd.it/z9qkrj2lcf0e1.png?width=2854&format=png&auto=webp&s=7399de6fe117b7e6e39ff044ccd1043a88c35ff6

This happens in raspberrypi 0 and raspberrypi 5, and it also happens with a regular rtl-sdr or with a Cariboulite. What am I doing wrong?

The 10 cm uncertainty usually quoted doesn't give enough information. I have two TDOA RXTXs 60cm apart. Any external obstructions slowing down the microwave is attenuated because the path traveled is the same. Would I still get the full +-10cm uncertainty from both recievers? Because that would really mess up the AoA calculations.

ToF: time of flight TDOA: time difference of arrival RXTX: receiver transmitter AoA: angle of arrival

Hi!

I've been trying to run sdr# on my windows machine and I wonder why does it have such performance issues?

Ryzen 5800x3d and RX6900 can barely draw 6Msps with 524688 resolution. It's like 1fp3s (one frame per 3 secs). My 5500U laptop running Lunix and gqrx can do *a bit* more...

Is there a configuration I miss?

thx fer info

Hi, I'm trying to find an antenna but there's just so much to choose from I can't decide. I live in a highly dense neighborhood too, with an HOA so I can't do a roof mount really. The radio interference is also a nightmare here. I wanna keep costs low, maybe even DIY depending on the difficulty. What can I get that can be used for VHF-UHF. And a separate antenna for lower frequencies like MF-HF? While still being relatively compact.

Now that's what I call a "Dream Antenna Setup",

From the paper,

https://arxiv.org/pdf/2411.00057

https://preview.redd.it/xjooaxt6eb0e1.png?width=778&format=png&auto=webp&s=08f18c8b1070ec8e30cba1a418e8594b6538bdcb

Back in the days like 8 years ago, I had so much fun learning how to capture data from weather satellites. However, I became so busy with work. I'm finally somewhat free again. What are the latest and newest things we can do now with rtlsdr and other similar device? I wanted to buy HackRF in 2016 but I guess there are way better gadgets now since it's 2024. What are they and what can they do?

Listen to AM radio by burning hot dogs on it's antenna.

https://www.youtube.com/watch?v=GgDxXDV4_hc

I just installed a PAT50M IF tap board on my Yaesu FT-747GX. It looks to work properly, because when I tune either CubicSDR or SDR++ to 47.055 MHz (I believe this is the first IF frequency for my radio), I can hear the same audio coming from the radio (so it seems that 47.055 MHz corresponds to whatever the radio is tuned to).

What I can't figure out is how to set the offset in either program so I can tune normally in the SDR software. Can anyone offer any help?

I'm stuck on installing the GPredict connector for SDR# since there isn't a file called "plugins.xml" which was needed for installation according to the github page.

I am looking at HackRF again and was trying to determine how many devices I will still need to get my ideal com setup complete.

I know the original SDR was originally a European Standard Satellite T Tuner so I'm half assuming it's possible. I am just looking for concrete evidence one way or another.

I live in the USA and FTA uses C Band or KU Band S/S2. Would this be able to receive and decode the picture/sound tracks in real-time or would I still need a specialized Tuner? I would assume audio track would be easy, but the video track might be where the issue is (found out from a prev post that the decode and re-encode time was the issue for ATSC).

Hello

I have try multi installation (re instally system 2x) re instally 10x GNU radio

All Time m'y hack rf IS reconnu (hackrf_info IS good ) Soapyutil --find IS good )

But in GNU radio m'y block Soapy hackrf source Say : no port connected ...

Are you Idea

I have try kali IS same i in mac os latest version

Befor i run GNU radio well but i have one problème with Quartz and réinstall all and have bug no connect

Tank you

I have an issue, on linux whenever i try to use my rtl-sdr i only receive static.
On android i can recieve signals just fine, so i know my antenna setup is fine.
i would rather drink molten metal than use windows.

Ive tried several softwares
gqrx,
sdr++
Ive tried rtl-sdr connected over usb,
over rtl-tcp.
ive just started and need help.

EDIT

Linux mint, (tho this happens with several distros on several software, SDR++, GQRX, Random ahh python library)

RTL-SDR v4,

It works over RTL-TCP from my android phone, just not on any of my linux machines even with rtl-tcp.

http://ashare.mooo.com/uploads/2024-11-10%2013-01-34.mkv
^ heres a video where i plug the rtl-sdr into my phone and conect to it with rtl-tcp, then connect that same rtl-sdr to my pc and it dosent work, just static