*Fred, Our gentlemans water goes down the drain in the opposite direction also..:-)
But then the centre of the universe is below 23 degrees also..:-) Gary * On 10 May 2012 09:27, Fred Jensen <[email protected]> wrote: > On 5/9/2012 2:58 PM, Ron D'Eau Claire wrote: > > Rotating the polarized sunglasses 90% makes them ineffective in > suppressing > > brilliant reflections and glare. I have never investigated how natural > > sunlight gets polarized, but good quality polarized sunglasses have their > > lens polarity set to be 90 degrees off and so block that glare. > > Sunlight reflected at small angles, such as from a chrome strip [or a > wet road] is "glare" and is polarized in the same plane as the > reflector. This is predominantly horizontal, mostly, so polarized sun > glasses are or should be vertically polarized. Gas pump LCD's [and > ATM's and such things] have a predictable viewing angle, so if the LCD > is polarized vertically, you can read it. Some other things, like > perhaps mobile radios, HT's, and TV's in sports bars have less > predictable viewing angles. Wearing sunglasses in a sports bar could be > a bad idea on other grounds, however. > > Survival Tip: If you are ever lost, look through polarized sunglasses > at the sky while rotating them. If you are certain you are lost north > of 23N, the direction which shows the biggest change in brightness is > north. Backscattered sunlight from the north is polarized, I'm not sure > why. Of course, if the shadows cast by the sun didn't already tip you > off about north, perhaps you're in more trouble than you first thought. > If you aren't sure you are north or south of 23N, it's likely hopeless. :-) > > I'd like to know if this is reversed south of 23S. Maybe someone in VK > or ZL can test this for me. I've been to both once, didn't have > polarized sunglasses either time. Most everything seems to be reversed > there, up/down, you know. > > 73, > > Fred K6DGW > - Northern California Contest Club > - CU in the 2012 Cal QSO Party 6-7 Oct 2012 > - www.cqp.org > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > -- Gary VK4FD - Motorhome Mobile Elecraft Equipment K3 #679, KPA-500 #018 Living the dream!!! ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
