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4 Comments

  1. CB’s with SSB is not intelligible when received by the common CB’s that does not have the SSB feature, so it is a sort of built in voice scrambler. A CB with single side band (SSB) transmits with the equivalent of 12 watts, instead of 4 watts for standard CB’s. This is a 150 percent increase in out put, or a gain of 4.5 Dbd. Unfortunately, a 150 percent increase in transmission power does not produce an increase in it’s range 150 percent. What ever the increase in range, it is a significant improvement. However it is yet inadequate for point to point transmissions, a reflector wire can be added to create a 2 element yagi. This would double the RP (estimated radiated power) from 12 watts to 24 watts. And it would prevent the signal from traveling in the opposite direction of the receiving station. It also will reduce or block unwanted traffic, and noise that is coming from the rear side (behind) of the reflecting wire. To further reduce this noise and interference, and also increase the range and improve security, orientate the antenna horizontally to the ground. This may require increasing the antenna to height of at least one 1/2 wave length in height, or higher to avoid interference from the radio waves that bounce off the ground and out of phase with the antenna. This could garble the signal and reduce the range. Install as a high as possible to avoid this problem, and the because of the height alone, the signal will travel further. A 2 element yagi direct connect yagi is easy and cheap to make, but if you have $159.00, it easier to buy one such as this:

    https://rover.ebay.com/rover/1/711-53200-19255-0/1?icep_ff3=2&pub=5574933636&toolid=10001&campid=5337839255&customid=&mpre=https%3A%2F%2Fwww%2Eebay%2Ecom%2Fb%2Fcb-beam-antenna%2Fbn%5F7024870889

    Installed, it should look like this, and operate like this if on a TV antenna rotator:

    https://youtu.be/yyCEjriZRYU

    Because this 4 element yagi has a gain of 13.15, if fed 4 watts from a CB, the estimate radiated power would be about 81 watts. If fed a SSB signal that is 12 watts, then the ERP is 149 watts. As it is a horizontally polarized, and a directional antenna, it would be very hard to DF, or be intercepted.

  2. Until recently I had forgotten how big the song “Convoy” was back in the day. It was quite an anthem against onerous government regulation.

    For an interesting account of some aspects of the 70s “Energy Crisis” read Thomas Sowell’s “Basic Economics”. It covers the farce that was the energy crisis among other things. Sounds as if Jimmy Carter was bought and paid for. A good read.

    1. The “Oil Crisis” was a direct result of our support of isreal in the 73 war that prevented their defeat. The oil nations embargoed us and nearly destroyed our economy,if the Saudis had joined we would have been severely hurt(one of the reasons we still kowtow,but now it’s petrodollars)

  3. CB’s with SSB is not intelligible when received by the common CB’s that does not have the SSB feature, so it is a sort of built in voice scrambler. A CB with single side band (SSB) transmits with the equivalent of 12 watts, instead of 4 watts for standard CB’s. This is a 150 percent increase in out put, or a gain of 4.5 Dbd. Unfortunately, a 150 percent increase in transmission power does not produce an increase in it’s range 150 percent. What ever the increase in range, it is a significant improvement. However it is yet inadequate for point to point transmissions, a reflector wire can be added to create a 2 element yagi. This would double the RP (estimated radiated power) from 12 watts to 24 watts. And it would prevent the signal from traveling in the opposite direction of the receiving station. It also will reduce or block unwanted traffic, and noise that is coming from the rear side (behind) of the reflecting wire. To further reduce this noise and interference, and also increase the range and improve security, orientate the antenna horizontally to the ground. This may require increasing the antenna to height of at least one 1/2 wave length in height, or higher to avoid interference from the radio waves that bounce off the ground and out of phase with the antenna. This could garble the signal and reduce the range. Install as a high as possible to avoid this problem, and the because of the height alone, the signal will travel further. A 2 element yagi direct connect yagi is easy and cheap to make, but if you have $159.00, it easier to buy one such as this:

    https://rover.ebay.com/rover/1/711-53200-19255-0/1?icep_ff3=2&pub=5574933636&toolid=10001&campid=5337839255&customid=&mpre=https%3A%2F%2Fwww%2Eebay%2Ecom%2Fb%2Fcb-beam-antenna%2Fbn%5F7024870889

    Installed, it should look like this, and operate like this if on a TV antenna rotator:

    https://youtu.be/yyCEjriZRYU

    Because this 4 element yagi has a gain of 13.15, if fed 4 watts from a CB, the estimate radiated power would be about 81 watts. If fed a SSB signal that is 12 watts, then the ERP is 149 watts. As it is a horizontally polarized, and a directional antenna, it would be very hard to DF, or be intercepted.

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