I do not have the manuals for these rotors and I didn't find the info I needed on Yaesu's web site. What bulb is used for the dial lamp? Can the 2700 be changed from North end-of-rotation to South en
Yes, you can make the stop anywhere you want it. Though with the overlap I find the north stop to be ok. The only thing that will be wrong if you change the stop are the markings on the preset pot. T
Oh, to change the stop to south... just turn the rotor ccw until it stops, then point the antenna where you want it to be. Clamp it down in the rotor. Twist the cover off the dial indicator by turnin
I just got done swapping the bulbs in my two Yaesu rotators for superbright White LEDs. 470 ohms in series with the LEDs works FB on the ones from www.superbrightleds.com. A little less bright than t
Author: Peter Chadwick <g3rzp@g3rzp.wanadoo.co.uk>
Date: Mon, 5 Nov 2007 16:22:16 +0100 (CET)
You have considerably more faith in semiconductor reliability than I have, and I've only worked in the semics industry for 28 years. 73 Peter G3RZP _______________________________________________ ___
Peter, I share your caution about semiconductor reliability, perhaps tinged by my experience at Bell Labs and Texas Instruments, stretching from 1953 to 1995. 73 Don K5AQ ____________________________
Only speaking as a ham with about 27 years of experience with LED's in homebrew equipment, I can only say I've replaced more incandescents (>10) than LED's (0) due to simple burn out in the equipmen
Author: Peter Chadwick <g3rzp@g3rzp.wanadoo.co.uk>
Date: Mon, 5 Nov 2007 18:51:25 +0100 (CET)
than LED's (0) due to simple burn out in the equipment. < The incandescents I've replaced in the last 20 years were ones run without surge protection in Yaesu equipment, and some in a boatanchor rece
Perhaps NEVER was a bit over the top. :-) However, I've been playing with transistors since the little pinched top 2N107 hobbyist device and I have yet to experience a failure in any of my equipment.
Part Number: RL5-W2545 Super-White LED (InGaN on GaN) 73, Pete _______________________________________________ _______________________________________________ TowerTalk mailing list TowerTalk@contest
I'm sure that's true, Peter, but what percentage of those failures were infant mortality or induced by external causes? Or in much more complex devices with, say, a thousand (million?) junctions inst
Author: Peter Chadwick <g3rzp@g3rzp.wanadoo.co.uk>
Date: Mon, 5 Nov 2007 21:48:35 +0100 (CET)
infant mortality or induced by external causes?< 1 probably external: no infant mortalities. While a 6L6G my father bought in 1936 for the then equivalent of 50 cents is still going strong as a seri