My first antenna consisted of two pieces of straightened fencing wire, a meter of TV coax, and because I had no SMA connectors on hand, I just jammed the coax into the SDR (wouldn't do that to my V3, that thing was an old chinese DVB-T dongle), and it "worked". It has a resolution of 90px per line and 5 channels. A common mistake in constructing a quad helix is getting the wrong polarization. That is not much more difficult to build, is quite tolerant to construction flaws, and grants you the bonus gain of circular polarization. NOAA 18 Weather Satellite APT in HD by David Haworth APT Weather Satellite Reception with RTL-SDR, SDR#, WXtoImg, and Orbitron by Aaron Parks Receiving NOAA weather satellite using SDR# and WXtoImg by GaitUutLiern Weather Satellite NOAA 18 received with RTL2832, SDR… Pure white noise. (For software I'm using Gpredict for tracking and Gqrx for as an SDR. A subreddit for the low-cost software defined radio (SDR) community. Simple question: what do you gain settings look like?
But my issue is that whenever I try and pick up a satellite that's coming over the horizon or above me, I get no signal at all. The main category is Weather satellite reception that is about Weather satellite reception. You say you live in the middle of the woods.

APT transmission frequency is 137.9125 MHz (NOAA-18 changed frequencies with NOAA-19 on June 23, 2009). A subreddit for the low-cost software defined radio (SDR) community.

He gives a full walk through of using Orbitron to track the satellites, WXtoImg to decode received images and using SDRSharp to tune your RTL-SDR.

Check this site to make sure a bird was really coming over, https://www.n2yo.com/?s=40069|33591|25338|28654|44387. Hi! Have fun... https://www.dropbox.com/sh/dtp761mbk2g2yk3/AABjylZ_HibMg1LvV5ES5Sfga/HRPT%20BASEBAND%20REC?dl=0, I think you submitted the wrong link, this is a youtube video of a guy testing a LPF. Typically, the bird is only visible for between 6 and 20 minutes (or so), and you need to be able to consume around 1 gig of data a minute. You should start with linear polarization, so you don't have to worry about incorrect phasing.

My dongle is a NooElec NESDR Smartee). You may use that as your advantage, if you are far from dense population, there will be less interference. You need to have a dish which can be steered onto the satellite as it tracks across the sky.

When it is overhead, the dish needs to move quickly but only a little bit, but often, when the sat is towards the horizon, the dish only needs to move a very little bit every now and then.

One video I saw showed a guy not doing too well because parts of it were too square. Perhaps, instead of a V-dipole, you can try a cross-dipole (also known as turnstile). On some SDRs, the best idea is manually setting the gain to one step below maximum. YouTube user GaitUutLiern shows an example of receiving NOAA satellite weather images with a RTL-SDR, SDRSharp, a decoding program called WXtoImg and a QFH antenna.Here, YouTube user themrworf1701 shows a video tutorial on how he set up his weather satellite receive station. Press question mark to learn the rest of the keyboard shortcuts.

While originally dedicated to the [RTL2832U USB rtl-sdr](http://sdr.osmocom.org/trac/wiki/rtl-sdr) project, relevant content related to general SDR, RF, and similar projects are also welcomed.

Subscribe to our e-mail newsletter to receive updates. You also need to have a computer that can devour all the information that is coming in. It replaced the older AMSU-B. You also need to adjust the receive frequency because of Doppler. All about Realtek RTL2832U based RTL-SDRs. The MHS (Microwave humidity sounder) is an instrument on NOAA-18 and NOAA-19. It's a complicated process and you need to have accurate time keeping and the latest keplerian elements, so that you know precisely when the sat will be above the horizon. Without this you may be using old data that means you're looking for the satellites at the wrong times. Now over on YouTube max30max31 (IZ5RZR) has posted a tutorial on how you can receive images from the NOAA weather satellites (NOAA-9, NOAA-15, NOAA-18, NOAA-19) at home using an RTL-SDR. AGC? Currently AGC is set at "medium". Press question mark to learn the rest of the keyboard shortcuts.

Granted, I haven't tried the QFH yet, and I tailored the V to work specifically in my garden, taking advantage of reflective properties of the ground itself. This. I used stepper motors that can have their speed adjusted, depending on where the bird is in the sky.

He gives a full walk through of using Orbitron to track the satellites, WXtoImg to decode received images and using SDRSharp to tune your RTL-SDR.
Here an update of my system: http://chynehome.com/web/reception-apt-des-satellites-meteo-via-rtl-sdr-mise-a-jour-de-mon-systeme/, If you’re going to use my image in the post, the least you could do is link to my posts on the subject: Receiving weather satellite images with Softrock and Helical Quad Antenna for Weather Satellites, Spectrum Analyzer using Beaglebone Black and RTL-SDR, Receiving, Decoding and Plotting AIS using a RTL-SDR, Tracking of Low Orbit Satellites with a Dish & RTL-SDR, Fractal Antenna for Use With RTL-SDR (or your HDTV), http://chynehome.com/web/reception-apt-des-satellites-meteo-via-rtl-sdr-mise-a-jour-de-mon-systeme/, Getting Started with a RTL based SDR Dongle, Alternative ExtIO for Compatible SDR Software, Receiving HF with RTL2832 and a transverter, Transmitting DVBT HDTV from a Raspberry Pi to an RTL2832U.

This is a 3Gb file and first 20 seconds there are no signal from the NOAA-18. He also suggests building and using a QFH Antenna or Turnstile Antenna with your RTL-SDR to receive the satellites. If anyone has advice for/would like more info please leave a comment.

NOAA 18 is the first NOAA POES satellite to use MHS in place of AMSU-B. A V-Dipole (or a yagi, if you're into hand-tracking the satellites) is more than enough to get you started (at least with APT), and will also provide you a means to test if your other antenna works properly.

The VHF signal from the satellites should (and I repeat; should) not be severely affected by trees.

I myself have tried several omni-directional antennas, and literally none has delivered me better results than a plain old V-Dipole. For more than 50 years the National Oceanic and Atmospheric Administration’s weather satellites have been helping monitor the earth’s weather patterns. I do this automatically using a DDE link to a tracking program that also supplies the Doppler shift.

Gain is under that at 0dB, New comments cannot be posted and votes cannot be cast. Here is a list of programs used and homepage links: If you’re looking for some antenna designs, check out: Here is an example of and image you could receive: UPDATE: Jordan Jean-Philippe Blanchard has shared a link on the RTL-SDR Facebook Group to his setup for receiving the weather satellite images using an RTL-SDR, check out his setup & check out what he has received.

I receive a link to share the file containing the NOAA-18 HRPT 3 minute recording using the SDR# and HackRF hardware for the guys willing to experiment, decoding with this signal.

The RTL-SDR is an ultra cheap software defined radio based on DVB-T TV tuners with RTL2832U chips. APT transmission frequency is 137.9125 MHz (NOAA-18 changed frequencies with NOAA-19 on June 23, 2009).

The site may not work properly if you don't, If you do not update your browser, we suggest you visit, Press J to jump to the feed. Now over on YouTube max30max31 (IZ5RZR) has posted a tutorial on how you can receive images from the NOAA weather satellites (NOAA-9, NOAA-15, NOAA-18, NOAA-19) at home using an RTL-SDR.

I receive a link to share the file containing the NOAA-18 HRPT 3 minute recording using the SDR# and HackRF hardware for the guys willing to experiment, decoding with this signal. The RTL-SDR can be used as a wide band radio scanner. Have you updated the TLE data for Gpredict? About How to receive NOAA Satellite images with SDR Radio The resource is currently listed in dxzone.com in a single category. Puiu Alexandru: i have rtl2832 with FCI2580 tuner and works, but it seems only be... World’s cheapest INMARSAT reception using DVB-T USB dongle (RTL SDR), Receiving, Decoding and Plotting AIS using a RTL-SDR Dongle | RTLSDR.com | Iz4fvw's Blog. New comments cannot be posted and votes cannot be cast. He used a RTL-SDR with SDRSharp, WXtoImg, a QFH antenna and also an LNA. My goal in getting into SDR was to pull some simple APT images from NOAA satellites.

I recommend that you carefully compare the instructions you followed with the QFH you actually made. I'm completely stumped.

My goal in getting into SDR was to pull some simple APT images from NOAA satellites. I've made myself a QFH antenna out of PVC and coax, and I've been able to get some very clean FM radio signals as well as pick up blips from key fobs (so I know the antenna works for the most part). I'll startout by saying I'm a complete noob when it comes to SDR, but this subreddit has been a really great resource for getting started.

No Signal From NOAA 18/19 ?

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