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APRS FireNet is an Internet-based system using the APRS protocol and much of the same client software to provide fire fighting, earthquake, and weather information in much higher volume and detail than the traditional APRS system is capable of carrying. PropNET uses the APRS protocol over AX.25 and PSK31 to study
software-defined radio and signal processing SDRangel: GPL: Windows, macOS, Linux: software-defined radio SDR# Freeware Windows software-defined radio receiver SDR++: GPL: Windows, macOS, Linux, Android: software-defined radio receiver WSJT: GPL: Windows, Unix, Unix-like: weak signal communication, modem for FT-8, FT-4, JT-65, and WSPR WSJT-Z ...
The software code is now open source and is developed by a small team. The program is designed for sending and receiving low-power transmissions to test propagation paths on the MF and HF bands. WSPR implements a protocol designed for probing potential propagation paths with low-power transmissions.
Many amateur satellites receive an OSCAR designation, which is an acronym for Orbiting Satellite Carrying Amateur Radio. The designation is assigned by AMSAT, an organization which promotes the development and launch of amateur radio satellites. Because of the prevalence of this designation, amateur radio satellites are often referred to as OSCARs.
It should come as no surprise that the Toyota RAV4 also ranks high on the list of vehicles with a high percentage of original ownership. Studies show that 6.2% of Toyota RAV4s are kept by the ...
The transceiver can transmit and receive on the HF 10-, 15-, 20-, 40-, 80- and 160-meter bands, [33] and can receive WWV and WWVH on 15 MHz. It can use SSB, FSK and CW on all bands. [33] The TS-820S' power consumption is 57 watts (with heaters on) when receiving and 292 watts when transmitting.
The regulator in October opened an investigation into 2.4 million Tesla vehicles equipped with Full Self-Driving (FSD) software after four reported collisions, including a 2023 fatal crash.
GM said by expanding the list of vehicles that its eligible employees can drive to include the new EVs, it will reinforce GM's commitment to an all-electric future. It also gives the workforce a ...