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a mast
The mast mounted amplifier will amplify only what is coming out of the antenna, while a set located amplifier will also amplify any noise that was induced in the lines between the mast and the set.
A diplexer is a box that combines both signal usually mounted on the aerial mast . At the tv set another box separates the two signals,one to tv the other to sat digibox
The signal will move down the cable at from about 1/3 the speed of light to about 9/10 the speed of light, depending on the type of cable used. If there is a booster amplifier in the cable between the antenna and the TV set this will add more delay. You will need to know the length and types of cable used (and look up their signal propagation speed) as well as the delay of your booster amplifier if your system has one to calculate the answer to your question.
It would take you 2-3 years to set it up and to take it down 2-3 years aswell and that's a long time
Set-top- box signal
It depends. If you are working alone, expect it to take a few hours to do. If you have people helping you, it will not take as long.
A Ketch is a sailing vessel with two masts, a main mast and a mizzen mast abaft. Very similar to a Yawl the main differences being a ketch's mizzen mast is forward of the rudder post which in turn gives the ketch a larger sail area. A ketch's mizzen mast is used for propulsion where a yawls mizzen mast is used for trim and balance. Ketches are very common among long distance sailors, since the larger sail area gives you a better balance. Also a ketch allows you to drop your mainsail in sudden wind gusts and sail only with your jib and mizzen set.
2 hours
Generally not. The signal is of a different type but you can get a set top box converter to downgrade the signal to SDTV levels. They're costly (Around $200, give or take) and you might just be better off using that money for a digital set.
Not sure , I believe they have used holt allen spars also a two piece mast designed to stow within the boat for transport this was also foam filled to stop a complete capsize. Being a more modern Tupperware type boat I can only estimate the mast to be around 16 foot long as I believe that the boom may be set higher to prevent getting a thick ear whilst gybing.
8 hrs