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K5RCR USA flag USA

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Greetings;

I was first licensed as WN6HGY in 1968 and with many moves, obtained calls WA6EZT, N9COO, N7GEF, KI8GX and finally, K5RCR. I have been fortunate to also operate as ZK1RCR [Cook Islands] and V31RC [Belize]. Ham radio provided my entry into a career in science - I spent many years as a neurophysiologist at UCLA, Northwestern,University of Nevada, Ohio State and now LSU.

Rigs include a TS-590 that I like very much; great receiver at least to my ears.  That is sitting on top of my FT-736r that I use for satellites and as the exciter/receiver for EME.  I completed a W6PQL amplifier for EME that was surprisingly easy to build from scratch, including the cabinet.  That amplifier is at the top of the rack behind the old bald guy.  The VHF / UHF antennas are modest - a 4x6 element yagi array for 2 meters and a single 15 element yagi for 70 cm.  These are mounted on a homebrew elevation motor kludged together from an ancient Alliance rotator.  Azimuth drive is a simple CDE job.  HF antennas include 5 Beverege receive antennas, a 160 meter "T"  60 feet tall, a Hy-Gain Hytower vertical for 80-10, a log periodic I designed for 20-10, a seperate vertical for 30 meters and a 4 element yagi for 6 meters. 

The next image shows my "new" version of a common (for 1939) homebrew two tube, 10 watt transmitter [6ag7 + 807] and a 4 tube regenerative receiver [75+6sq7+6sq7+6f6]plus a power supply. The first 6SQ7 is hooked up as a cathode follower between the detector and the first audio amp. This enormously improves stability. Had my first qso on this rig within a few minutes of firing it up for the first time. The QSO was with K8JD - about a 1000 miles north of my QTH. That feeling can't be beat - working someone that far away on a rig that was a pile of old parts the week before!   I built this rig because I wanted to get an idea of how a ham of modest means in the late 30's might have built and operated a crystal controlled transmitter and a regenerative reviever.  This is hard work!  You have only a vague idea of the frequency you receive on although with some practice you can get a pretty good idea about the center of the crystal frequency for the transmitter.   This is kind of like the old novice days with crystal controlled transmitters and inexpensive "novice grade" receivers.   Call CQ and then tune up and down the band like mad and hope someone, somewhere answers you!

 

8233899 Last modified: 2017-07-24 03:23:20, 3055 bytes

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