Using an RTL-SDR on a high powered rocket to capture GPS data
Over on the SDRGPS blog Philip Hahn and fellow aerospace engineer Paul Breed have been working together to try and use an RTL-SDR to help get accurate GPS data for tracking small high powered rockets....
View ArticleReceiving Inmarsat L-Band AERO with a DVB-T Antenna, Amplifier and Airspy Mini
To show that a specialized antenna is not required to receive L-band Inmarsat AERO satellite signals, YouTube user SkyWatcher has uploaded a video showing how he was able to receive these signals with...
View ArticleTesting a Prototype of the Outernet L-Band Downconverter
Outernet are a startup company that hope to revolutionize the way people in regions with no, poor or censored internet connectivity receive information. Their service is downlink only, and runs on C...
View ArticleTesting L-Band Inmarsat Reception with Three LNA4ALL’s + Two Filters
Over the last few weeks Adam 9A4QV has been testing L-Band Inmarsat reception with his LNA4ALL low noise amplifiers. In a previous post he tested reception with two LNA4ALL and found that he got an...
View ArticleUpdates on using an RTL-SDR for GPS on a High Powered Rocket
Back in April we posted about Philip Hahn and Paul Breed’s experiments to use an RTL-SDR for GPS logging on their high powered small rockets. As GPS is owned by the US military, a standard GPS module...
View ArticleModifying the Outernet LNA for Iridium Reception
A few days ago we posted a review on the Outernet LNA which can can be used to help receive their new L-band service signal. Their LNA uses a filter which restricts the frequency range from 1525 – 1559...
View ArticleTalk: Decoding Data from Iridium Satellites
At this year’s hacker themed Eleventh Hope conference, Stefan “Sec” Zehl and Schneider gave a talk which discusses their latest work on decoding data from Iridium satellites using SDR’s. Iridium is a...
View ArticleOuternet rxOS Version 3 Released: Automatic Decompression, APRS, NOAA Weather...
Outernet is a new L-band satellite services which aims to be a “library in the sky”. Their satellite signal can be received from almost anywhere in the world, and they aim to constantly transmit data...
View ArticleReverse Engineering the Outernet Signal
Outernet is a satellite based file delivery service. Currently they’re beta testing their service and they are using RTL-SDR’s as the receiver. In previous posts we’ve seen that they’re now regularly...
View ArticleSetting up a GOES Weather Satellite Antenna System
Many people with an RTL-SDR have had fun receiving NOAA and METEOR low earth orbit (LEO) weather satellite images. However, a step up in difficulty is to try and receive the geostationary orbit (GEO)...
View ArticleCreating a GOES Weather Satellite Demodulator
Last week we posted about Lucas Teske’s (@lucasteske) experience with setting up an antenna system that can receive the geostationary GOES weather satellites. He set up a dish antenna, feed, LNA and...
View ArticleBuilding a Frame Decoder for the GOES Weather Satellite
Yesterday we posted about Lucas Teskes (@lucasteske) success in building a demodulator for the GOES weather satellite. Before that he also showed us how to build an antenna system to receive GOES with...
View ArticleDemuxing Frames and Generating Images from the GOES Weather Satellite
In his latest two posts Lucas Teske continues with his series about receiving and downloading weather satellite images from the GOES satellites. In past posts he’s show us how to receive the signal...
View ArticleTwo Videos That Show How To Set Up An Outernet Receiver
Outernet is a relatively new satellite based file delivery service which can be received with an RTL-SDR dongle. They continuously send out useful data like weather reports, news, APRS data as well as...
View ArticleRadio For Everyone: An Easy Homemade Outernet Antenna, More FlightAware Pro...
Akos from the radio for everyone blog (formerly known as the rtlsdr4everyone blog) has uploaded two new posts. On the first post he shows some further tests on the new FlightAware Prostick plus. The...
View ArticleBuilding a Wideband Vivaldi Antenna for SDR Use
Vivaldi’s are linearly polarized broadband antennas that have a directional radiation pattern at higher frequencies. The high end SDR manufacturer RF Space produces their own Vivaldi antennas made from...
View ArticleReceiving the Recently Launched BY70-1 Satellite
BY70-1 is a Chinese amateur Cubesat satellite which was recently launched on December 29, 2016. It is expected to stay in orbit for only 1 – 2 months due to a partial failure with the satellite...
View ArticleOuternet Patch Antenna Pan-Tilt Servo
Over on YouTube user Tomi Simola has uploaded a video showing his servo based Outernet satellite antenna tracker. Outernet uses L-band geostationary satellites which means that they are at a fixed...
View ArticleReceiving GOES Weather Satellite Images with a Small Grid Antenna and an...
GOES is an L-band geosynchronous weather satellite service that can be received typically with a satellite dish. It produces very nice full disk images of the earth. In the past we’ve posted about...
View ArticleReceiving GOES 16 Weather Satellite Images with the Open Satellite Project
Back in October/November of last year Lucas Teske showed us how to receive weather satellite images from the GOES line of geostationary satellites with an Airspy SDR (and possibly an RTL-SDR too), dish...
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