Hi John, Thanks for your contribution about your experience of antenna tubing failures on wooden pole supported antennas. I recall now that you mentioned it, that I often felt fairly strong vibration
Author: Peter Chadwick <g3rzp@g3rzp.wanadoo.co.uk>
Date: Fri, 5 Oct 2007 23:13:37 +0200 (CEST)
As I understand it, W6AM used telephone/power poles without a problem. Now it may be that having rhombics strung up at the top level modified tyhe vibration/vortex shedding as compared to Yagis. I wo
Back in the old days it taught us how to think (which was the hard part) and how to use our slide rules and use our heads to move the decimal point a lot. As I understand it, W6AM used telephone/powe
Author: Peter Chadwick <g3rzp@g3rzp.wanadoo.co.uk>
Date: Sat, 6 Oct 2007 08:15:24 +0200 (CEST)
how to use our slide rules and use our heads to move the decimal point a lot.< That was we learnt in the radio course, not the applied mechanics!!!!! Some of us still use a slide rule on occasion - t
In Peter's household, even the cat can use a slide rule (wish I'd had the camera handy when it did that). -- 73 from Ian GM3SEK http://www.ifwtech.co.uk/g3sek ________________________________________
Recently, sitting in the shack with some local hams... I was leaning back in the command chair, feet comfortably on the desk... A question was raised about an issue that needed a numerical answer...
I carry a small circular slide rule in my car. It's probably 25-30 years old, a promotional item sent out by some hydraulics company. I regularly find it useful. Just today I was calculating the leng