Author Archives: Rob Smith

Tuning my D3 Rotatable Dipole

Posted on October 5, 2022 by Rob Smith

Once assembled, used a RigExpert AA-55 Zoom to analyze the SWR and help tune the antenna. Between the coax connector and the analyzer is the same RF choke that will be used once the antenna is put up. Started lengths … Continue reading →

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Assembly of Cushcraft D3 Rotatable Dipole

Posted on October 3, 2022 by Rob Smith

My existing Yagi for 10/15/20 meters has high SWR due to at least one damaged trap (operator error, but that is another story). Until I can either replace or repair the beam, decided to put up a Cushcraft D3 Rotatable … Continue reading →

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Arduino Satellite Antenna Rotator Project

Posted on May 6, 2019 by Rob Smith

After looking around for a portable satellite antenna rotator , I came across the School Amateur Radio Club Network website with instructions on how to build one for a low cost using an Arduino. Their site has excellent instructions. Below … Continue reading →

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Computer WinKeyer Software & Transceiver Connection

Posted on February 5, 2017 by Rob Smith

The Mac laptop was connected to the WinKeyer using a USB cable. As it was attached, the keyer sent an audible “R”. At the time I am writting this, the MacBook Pro laptop computer that I am using is running … Continue reading →

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Assembling WinKeyer

Posted on February 1, 2017 by Rob Smith

I needed a CW interface between my Mac computer and TS-990 transceiver. It needed to be compatible with contest logging software, select push-to-talk, and transmit CW. Before I had used LPT1: on a PC, but needed to move to a … Continue reading →

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