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100 Watts and a Wire is a ham radio talk show was originally launched as an audio podcast on June 22, 2015. Today, you can see the show on YouTube. It features topical conversation, interviews and ham radio news. You can listen anytime by subscribing wherever you get podcasts.
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Learn how to hack an IR turret to track the International Space Station (ISS) as it passes overhead. Discover the basics of the ISS and how to use simple tools to point an arrow at the ISS without looking at a phone. Find out how to calculate the azimuth and elevation angles to locate the ISS in the sky and enjoy watching this habitable space craft orbit the earth at a speed of 28,000 km/h. Take your hobby to the next level by bouncing radio signals off the ISS or even talking to the astronauts on board. Turn stargazing into an interactive and educational experience with this fun and practical project.
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WaveTalkers asked AI itself what it thought. All of the content in the WaveTalkers AI Resources section is generated by AI. From the content to the code itself they will make every effort to showcase what works and what doesn't along the way.
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This project details an automatic roger beep circuit for VHF/UHF contests. Built around a Microchip PIC microcontroller, the design detects PTT (Push-To-Talk) activation and generates a brief tone upon release, mimicking a "roger beep" to signal the end of transmission. The circuit utilizes readily available components and includes downloadable resources for PCB layout and firmware.
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When it is time for you to hide a Hidden Transmitter there are several ways to control the transmission timing and audio of the transmitter.The most basic of these is of course the manual method of hiding in the bushes with your trusty HT and talking on and off for several hours.
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This blog is to talk of radios in AM on SW from China and TX and RX made in Asia
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Scanner Frequencies for Chattanooga / Hamilton County. Chattanooga Police Talkgroups, Chattanooga Fire / Rescue Talkgroups, Chattanooga City Services Talkgroups, police, Hamilton County Sheriff Talkgroups
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A dual insert microphone design for the Icom IC-7300 transceiver utilizes a **Besson BZ2400 M4 Rocking Armature** insert for frequencies from 500 Hz to 3 kHz, exhibiting a rising response of approximately 11 dB. A generic Electret Condenser insert, powered by the transceiver's microphone line, covers the low-frequency range from 100 Hz to 500 Hz. A Low Pass Filter is incorporated after the Electret insert to prevent frequency overlap, and a pre-set potentiometer (VR1) adjusts the low-frequency response, balancing the output of both inserts. The design emphasizes a "Close Talking" arrangement and addresses audio "colorization" by housing the Besson insert in a thick rubber holder with a foam boot, separate from the circuitry, with the Electret insert also wrapped in a foam boot. Critical importance is placed on using the correct BZ2400 M4 insert with 12 holes in its face plate. The frequency response table for the BZ2400 M4 insert shows 0 dB at 500 Hz, rising to +11 dB at 3000 Hz, while the Electret insert with the Low Pass Filter provides 0 dB at 100 Hz, rolling off to -9 dB at 500 Hz and -50 dB at 3000 Hz. This combination ensures a broad, balanced audio spectrum for SSB operation. The project includes a circuit diagram, a comprehensive parts list detailing components like a 1 Henry iron-cored inductor (L1) and various capacitors, and a board layout within the metal tube. The completed unit provides a tailored audio profile for the IC-7300, enhancing transmit audio quality.
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Join the World Wide Check-In every Saturday at 16:00 UTC on Talk Group 91 via the Brandmeister Network. Started in 2015 by Dick K6SUU, the net has grown with volunteer Net Controllers ensuring smooth operations. Check-in securely with a robust logging system. View log archives, upcoming nets, and schedule. Interested in becoming a Net Controller? Contact the admin team. Licensed Radio Operators can participate, while others can listen live on TG 91. Stay connected and join the global ham radio community with World Wide Check-In.
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Mid Sussex ARS is an RSGB-affiliated club and meets at its headquarters in Burgess Hill on the 2nd and 4th Friday of each month. They organize various activities ranging from talks by members or guest speakers, evenings on the air using their shack's latest SDR equipment, training evenings and used equipment sales. As well as scheduled club nights, they run many outdoor activities throughout the year, including direction-finding contests, town days, social evenings and Special Event Stations. They even have their own free online training academy!