ADS-B Signal Decoding using RTL-SDR and SDRAngel, Tutorial by Technology Master

Aircrafts transmit their positioning data as well as other important information using ADS-B protocol. I am explaining here how it can be received using RTL-SDR hardware and SDRAngel open source software.

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#adsb #hamradio #meshtastic #sdrs #rtlsdr #planespotting

Decimation factor refers to the ratio of the input rate to the output rate in signal processing. It is usually symbolized by “M”. Decimation means keeping only every Mth sample, effectively reducing the sampling rate.

Meshtastic Firmware Flashing Mode for LILYGO, HELTEC & other ESP32 Devices by Technology Master

Meshtastic Firmware flashing creates problems for newbies as well as for experts at some point in time. I am explaining here the easiest method to flash Meshtastic firmware for Espressif ESP32 based devices.

#meshtastic #firmware #firmwareupdate #esp32 #ham

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Meshtastic RX LNA Gain Testing of Bidirectional RF Amplifier AB89 for 868 & 915 by Technology Master

Bidirection RF Amplifier are ideal solutions for low power (below 5 watts) applications like Meshtastic. They provide power amplification on transmit side while giving very good low noise gain on receive side. Another benefit of bidirectional power amplifier is the automatic switching with a very little signal like 5 to 10 dbm.

#meshtastic #antenna #ham #rf #diy #sdr #lna #poweramplifier

https://youtu.be/Z3bmlwLmAjI

https://youtu.be/B6mCA-9seCg

https://youtu.be/5KqB_qgxAaE

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https://www.onesdr.com/rssi-to-dbm-calculator/