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#21
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Denny wrote:
This is not a forum for operating systems... Let us get back on topic, folks... Still, a better topic to read than most of the dreck on here. I am homebrewing (if that term isn't overkill) a dipole and am using PVC joints...a T in the middle and straight connectors for the ends. Will these need to be treated (painted, etc) for UV protection? Richard, feel free to give this one a pass. ![]() You're a good guy, it's just that your prose borders on word salad sometimes (hold the pedantic dressing) John AB8O |
#22
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Mike Coslo wrote:
Hey! BTW, once you get used to Richard's prose, he's enjoyable to read, and there is truth in his ministrations. Even the part about reflections from non-reflective glass being brighter than the surface of the sun? :-) -- 73, Cecil http://www.w5dxp.com |
#23
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John Smith wrote:
The 56K USRobotics Courier External modem was the prime example of such a hardware modem and contained its own processor and it was identical (I think) to the processor used in the first IBM computers (second generation actually, first generation used the 8086;s)--intel 80186's? You are probably thinking of the 8088 (8-bit bus) used in the low-end version of the first IBM PC. But the "first IBM computers" were not solid-state. :-) Back in the 50's, the IBM-650 computers used dual triodes with a magnetic drum as the memory. The logic was bi-quinary, somewhat like an abacus. -- 73, Cecil http://www.w5dxp.com |
#24
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Cecil:
I am trying to imagine a USRobotics modem the size of my garage! Probably was the 8088, a '186 would have been a bit of an overkill for 56K and a phone line (but the 8088 probably had head-room left over!) Regards, JS "Cecil Moore" wrote in message om... John Smith wrote: The 56K USRobotics Courier External modem was the prime example of such a hardware modem and contained its own processor and it was identical (I think) to the processor used in the first IBM computers (second generation actually, first generation used the 8086;s)--intel 80186's? You are probably thinking of the 8088 (8-bit bus) used in the low-end version of the first IBM PC. But the "first IBM computers" were not solid-state. :-) Back in the 50's, the IBM-650 computers used dual triodes with a magnetic drum as the memory. The logic was bi-quinary, somewhat like an abacus. -- 73, Cecil http://www.w5dxp.com |
#25
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jawod wrote:
I am homebrewing (if that term isn't overkill) a dipole and am using PVC joints...a T in the middle and straight connectors for the ends. Will these need to be treated (painted, etc) for UV protection? My experience: White PVC turns brittle under TX and AZ UV rays. -- 73, Cecil http://www.w5dxp.com |
#26
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I have unpainted PVC poles up in Michigan and they have held up for
years with just a bit of powdering of the surface... If you are using the dipole for a year or three leave it bare... If you think it may be up for decades, spray with a dark color paint to block UV... denny |
#27
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Denny wrote:
This is not a forum for operating systems... Let us get back on topic, folks... Hey Denny! Why dontcya go tell the crossposters to shut up too! Plonk me please! - 73 de Mike KB3EIA - |
#28
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Cecil Moore wrote:
Mike Coslo wrote: Hey! BTW, once you get used to Richard's prose, he's enjoyable to read, and there is truth in his ministrations. Even the part about reflections from non-reflective glass being brighter than the surface of the sun? :-) Don't recall that one, Cecil. - 73 de Mike KB3EIA - |
#29
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GREY PVC
jawod wrote: Denny wrote: This is not a forum for operating systems... Let us get back on topic, folks... Still, a better topic to read than most of the dreck on here. I am homebrewing (if that term isn't overkill) a dipole and am using PVC joints...a T in the middle and straight connectors for the ends. Will these need to be treated (painted, etc) for UV protection? Richard, feel free to give this one a pass. ![]() You're a good guy, it's just that your prose borders on word salad sometimes (hold the pedantic dressing) John AB8O |
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