Remote Spectrum Monitoring Drone from RTL-SDR, RPi, 4G internet using OpenWebRX

Remote Spectrum Monitoring Drone from RTL-SDR, RPi, 4G internet using OpenWebRX Can be used as an improvised “virtual antenna tower” for example in emergency situations, ham radio activities or experimenting. Possibly words cheapest aerial spectrum monitoring tool as of today. You can see APRS and ham radio FM repeaters in the spectrum plot of the Read more about Remote Spectrum Monitoring Drone from RTL-SDR, RPi, 4G internet using OpenWebRX[…]

KIWISDR: 30 MHZ BANDWIDTH SDR FOR VLF/LF/MF/HF with OpenWebRX

It uses a LTC 14-bit 65 MHz ADC and Xilinx Artix-7 A35 FPGA, and also has an integrated SDR based GPS receiver which is used to automatically compensate for any frequency drift from the main 66.6 MHz oscillator. The features of the KiwiSDR include: 100% Open Source / Open Hardware. Includes VLF-HF active antenna and associated power injector PCBs. Read more about KIWISDR: 30 MHZ BANDWIDTH SDR FOR VLF/LF/MF/HF with OpenWebRX[…]

Lookup IC logos

Someday you may want to know from the chip package marking that what brand of  chip you have. For this the following sites may give a help for you: http://www.elnec.com/support/ic-logos/?method=logo http://www.ecworld.ru/ewg/icweb.htm