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#41
posted to rec.boats
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Best Handheld VHF?
Bill McKee wrote: wrote in message ups.com... Bill McKee wrote: The CG has a higher antenna and better receivers? A friend of my brother's who lives close to the PA-NY border built a Beverage Antenna on his hill, and can receive CG transmissions from Key West, FL!! Is that one of those Southern things. Where they stack the beer cans into a tower? Then hook up the antenna leads to it? Cool. Ah, an ALLEGED electrical engineer (handyman?) and he doesn't know what a Beverage antenna is. |
#42
posted to rec.boats
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Best Handheld VHF?
Shortwave Sportfishing wrote: On 12 Dec 2005 05:23:36 -0800, wrote: Bill McKee wrote: The CG has a higher antenna and better receivers? A friend of my brother's who lives close to the PA-NY border built a Beverage Antenna on his hill, and can receive CG transmissions from Key West, FL!! What frequency? I do not know. |
#43
posted to rec.boats
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Best Handheld VHF?
Lord Reginald Smithers wrote: Kevin, The question is can he talk to the Key West CG? I'm not Kevin, idiot. |
#44
posted to rec.boats
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Best Handheld VHF?
Kevin,
Since the frequency coverage of VHF is line of sight, was it a very very tall hill? wrote in message ups.com... Lord Reginald Smithers wrote: Kevin, The question is can he talk to the Key West CG? I'm not Kevin, idiot. |
#45
posted to rec.boats
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Best Handheld VHF?
wrote in message ups.com... Bill McKee wrote: wrote in message ups.com... Bill McKee wrote: The CG has a higher antenna and better receivers? A friend of my brother's who lives close to the PA-NY border built a Beverage Antenna on his hill, and can receive CG transmissions from Key West, FL!! Is that one of those Southern things. Where they stack the beer cans into a tower? Then hook up the antenna leads to it? Cool. Ah, an ALLEGED electrical engineer (handyman?) and he doesn't know what a Beverage antenna is. I can prove my degree. San Francisco State University. And you. And I know what a beverage antenna is from my stint in the USAF. But a Southern Beverage Antenna does sound like a neat way to justify those can stacks. |
#47
posted to rec.boats
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Best Handheld VHF?
"Shortwave Sportfishing" wrote... "-rick-" wrote: Um... I thought by measuring the change in time or carrier phase/frequency associated with a reflection, certainly not by measuring attenuation associated with wind. That's a good point, but it has to bounce off something. If the air is denser because of changes in the wind - changes in air density, etc. Right, it has to hit enough of an impedance change to reflect some energy. I'm skeptical that the pressure gradient of wind is adequate in itself. It does happen. You just have to pay attention and listen for it. No references? I can't find one, I'll be honest with you. I know I've seen one - I just cant' seem to Google it up. I do know I tried to interest some people in this a long time ago, but was pretty much laughed at - I'm big enough to admit it. :) I promise - I'll find that reference today and get back to you. Later, Tom No rush, but if you happen across anything I'd be interested. I was curious about the mechanism and magnitude of effect. I'll try the IEEE archives. Thanks, -rick- |
#48
posted to rec.boats
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Best Handheld VHF?
"-rick-" wrote in message . .. "Shortwave Sportfishing" wrote... "-rick-" wrote: Um... I thought by measuring the change in time or carrier phase/frequency associated with a reflection, certainly not by measuring attenuation associated with wind. That's a good point, but it has to bounce off something. If the air is denser because of changes in the wind - changes in air density, etc. Right, it has to hit enough of an impedance change to reflect some energy. I'm skeptical that the pressure gradient of wind is adequate in itself. It does happen. You just have to pay attention and listen for it. No references? I can't find one, I'll be honest with you. I know I've seen one - I just cant' seem to Google it up. I do know I tried to interest some people in this a long time ago, but was pretty much laughed at - I'm big enough to admit it. :) I promise - I'll find that reference today and get back to you. Later, Tom No rush, but if you happen across anything I'd be interested. I was curious about the mechanism and magnitude of effect. I'll try the IEEE archives. Thanks, -rick- There should be enough dust in any wind to get the doppler effect. |
#49
posted to rec.boats
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Best Handheld VHF?
Bill McKee wrote: wrote in message ups.com... Bill McKee wrote: wrote in message ups.com... Bill McKee wrote: The CG has a higher antenna and better receivers? A friend of my brother's who lives close to the PA-NY border built a Beverage Antenna on his hill, and can receive CG transmissions from Key West, FL!! Is that one of those Southern things. Where they stack the beer cans into a tower? Then hook up the antenna leads to it? Cool. Ah, an ALLEGED electrical engineer (handyman?) and he doesn't know what a Beverage antenna is. I can prove my degree. San Francisco State University. And you. And I know what a beverage antenna is from my stint in the USAF. But a Southern Beverage Antenna does sound like a neat way to justify those can stacks. Can't read, huh? The last I knew, the PA-NY border was WAY above the Mason-Dixon line. |
#50
posted to rec.boats
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Best Handheld VHF?
Shortwave Sportfishing wrote: On 12 Dec 2005 05:23:36 -0800, wrote: Bill McKee wrote: The CG has a higher antenna and better receivers? A friend of my brother's who lives close to the PA-NY border built a Beverage Antenna on his hill, and can receive CG transmissions from Key West, FL!! What frequency? Response from the person owning the antenna: It's 8.983 MHZ and it's the upper sideband (SSB). They use several different freqs across the shortwave bands, but this one seems to be used the most; the base is in Chesapeake Bay; usually you hear aircraft on routine patrol but once in a great while it gets interesting. I also hear aircraft and cutters off puerto rico quite a bit. |
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