Tag " ham radio"

Microtelecom develops and manufactures radio and telecommunication devices for special applications, fast multichannel acquisition systems and signal conditioning electronics for gamma-ray imaging probes. Our Microtelecom technology expertise ranges from analog and RF circuit design to the development of fast acquisition systems, FPGA-based digital signal processing platforms and algorithms for custom...


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A group of Radio Amateurs in the city are literally making waves after they succeeded in indigenously designing and testing low-cost equipment that could help the Hams communicate via QO-100 geo-synchronous satellite. In what is certain to be a gamechanger for radio amateur community, five Hyderabad-based Ham operators have made prototypes of down and up convertors for the QO-100 satellite. Use of this...


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httpvh://youtu.be/8XGb1d8sjco Veronica Harrington on Letterman, March 26, 1992. Six-year-old Veronica Harrington displays her ham radio skills.


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The International Amateur Radio Union Region 1 Monitoring System (IARUMS) reports in the September issue of the IARUMS newsletter that the Russian-Ukrainian “radio war” on and around 7055 kHz continues to be a major source of frustration. IARUMS Region 1 Coordinator Peter Jost, HB9CET, said the on-the-air conflict “has been bothering us to an unbearable extent for a very long time and is still...


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(ARCDXC) AMATEUR RADIO CONTEST DX CLUB - has existed since 2014. Located at the UN International Centre (VIC) in Vienna, Austria. Daily actively works on the amateur radio bands. The station's achievements include many prestigious diplomas and awards. In 2018, the club was nominated and received a prestigious "Guinness Book of Records" award. All detailed information about the club activity...


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https://soundcloud.com/sparky73/ri0q-dxpedition-2021 Date: March 22, 2021 Time: 07:25 GMT Freq: 14020 KHz Mode: CW QTH: Bol’shoy Begichev Island. Russia. Callsign: RI0Q. IOTA: AS-152   MARCH 21 – Outside temperature is -35C (it’s not been above -30C on this trip). Minor problems occur with generators and stove (fuel hoses burst from frost). One working tent is set up to get some...


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RX888 mkII is the new generation of RX888 with the following improvements and enhancements: 1.Add a tunable Attention in the HF path, which can tune from 0 to -31.5dB. 2.Change the fixed LNA of RX888 to a VGA, which gives the -10dB to +33dB range. VGA applies to both HF and VHF. 3.Use the newer generation of tuner chip R828D instead of R820T2. 4.Use an enhanced version of 64M LPF to improve...


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Software-defined radio and cheap hardware are shaking up a hobby long associated with engineering By Julianne Pepitone Will the amateur airwaves fall silent? Since the dawn of radio, amateur operators—hams—have transmitted on tenaciously guarded slices of spectrum. Electronic engineering has benefited tremendously from their activity, from the level of the individual engineer to the entire...


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