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2. QN Signals - Wikipedia

   en.wikipedia.org/wiki/QN_Signals

   The QN Signals are defined in ARRL document FSD-218 [3] and listed in the ARRL Operating Manual. [4]: 5–3 Although these codes are within the Aeronautical Code signals range (QAA–QNZ) and thus conflict with official international Q signals beginning with QN, the ARRL informally queried FCC's legal branch about the conflict.

3. ARRL Radiogram - Wikipedia

   en.wikipedia.org/wiki/ARRL_Radiogram

   Historic ARRL radiogram form. An ARRL radiogram is an instance of formal written message traffic routed by a network of amateur radio operators through traffic nets, called the National Traffic System (NTS). It is a plaintext message, along with relevant metadata (headers), that is placed into a traffic net by an amateur radio operator. Each ...

4. American Radio Relay League - Wikipedia

   en.wikipedia.org/wiki/American_Radio_Relay_League

   The American Radio Relay League (ARRL) is the largest membership association of amateur radio enthusiasts in the United States. ARRL is a non-profit organization and was co-founded on April 6, 1914, by Hiram Percy Maxim and Clarence D. Tuska of Hartford, Connecticut .

5. Tesla Autopilot hardware - Wikipedia

   en.wikipedia.org/wiki/Tesla_Autopilot_hardware

   In 2019, Tesla shifted to a computer using a custom "FSD Chip" designed by Tesla, branded as Hardware 3. Starting in 2021, Tesla stopped installing the radar sensor in new vehicles, and the ADAS was updated to drop radar support. In 2022, Tesla announced it also would drop support for the ultrasonic sensors, moving the ADAS to an all-visual system.

6. US probes Tesla's Full Self-Driving software in 2.4 ... - AOL

   www.aol.com/news/nhtsa-probing-teslas-fsd...

   (Reuters) -The National Highway Traffic Safety Administration on Friday said it was opening an investigation into 2.4 million Tesla vehicles with the automaker's Full Self-Driving software after ...

7. Logbook of The World - Wikipedia

   en.wikipedia.org/wiki/Logbook_of_The_World

   Logbook of the World (LoTW) is a web-accessed database provided by the American Radio Relay League (ARRL) to implement a contact verification service among amateur radio operators. Using LoTW, radio amateurs (hams) are able to claim and verify contacts (QSOs) made with other amateurs, generally for claiming credit for operating awards, such as ...