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#1
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"Jeff" wrote in
news:a5mdnWJc9fAnblLZnZ2dnUVZ_uWdnZ2d@velocitywest .net: I will be buying a Midland Two way radio (18 mile version) You will never, ever get 18 miles. The claims by Midland are very deceptive. They lie and say they are 5 watt radios, when in fact their power output is only slightly over a watt. They lie and say they have full legal power, when in fact power limits for GMRS far exceed 5 watts. Go here.... read up the whole site, explore links and get the real story: http://www.geocities.com/gmrspage/ |
#2
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On Wed, 02 Aug 2006 14:53:41 GMT, John
wrote: "Jeff" wrote in news:a5mdnWJc9fAnblLZnZ2dnUVZ_uWdnZ2d@velocitywes t.net: I will be buying a Midland Two way radio (18 mile version) You will never, ever get 18 miles. The claims by Midland are very deceptive. They lie and say they are 5 watt radios, when in fact their power output is only slightly over a watt. They lie and say they have full legal power, when in fact power limits for GMRS far exceed 5 watts. Go here.... read up the whole site, explore links and get the real story: http://www.geocities.com/gmrspage/ Never, ever is pretty strong. It would take only a few milliwatts between two mountain tops 18 miles apart. I agree that from a practical standpoint, that is completely unrealistic, even for a full 5-watt transceiver. I have two excellent GMRS 5-watt HT's, and I'm lucky to get even one mile in typical terrain. Now, if I had a really good antenna, that would be a different story. Dick - W6CCD |
#3
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Dick wrote in
: On Wed, 02 Aug 2006 14:53:41 GMT, John wrote: You will never, ever get 18 miles. The claims by Midland are very deceptive. Never, ever is pretty strong. It would take only a few milliwatts between two mountain tops 18 miles apart. I agree that from a practical standpoint, that is completely unrealistic, even for a full 5-watt transceiver. I have two excellent GMRS 5-watt HT's, and I'm lucky to get even one mile in typical terrain. Now, if I had a really good antenna, that would be a different story. I stand corrected. I did of course know that. I didn't want to go into the "you have to be in outer space" type deal. |
#4
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#5
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![]() You probably wouldn't get that far anyway. In order to remain within the law, most GMRS/FRS radios can't use external antennas in order to make the 500 mW erp rule. So, if you reduced power to FRS levels and use the built in, not removable antenna on the FRS channels. it is short (really short) range. Option 2 is to go and get your GMRS license. Then get a handheld that puts out the FULL 5 watts AND has a removeable antenna. Read over the rules as to power output (EIRP) allowed. Set up an external antenna with a max height of I think 20 feet above an existing structure(again check rules on this figure) Take into account antenna gain, cable loss and ACTUAL transmitter output to figure ERP. This is considered to be a Small Base Station according to the rules AND is fully legal to interopreate with FRS radios. The higher external antenna is almost guaranteed to quintuple your coverage area from base to FRS handheld. 2 base stations with directional antennas(again watching erp) would be really reliable. Chris KC2BZH |
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