The design of a telescopic mast is such that its various sections can be caved into each other. Such masts find a wide range of applications, and there are many manufacturers and dealers for it. If you are looking for one, you should try the hobbyists' stores catering to radio buffs, suppliers of camping goods and stores selling telecom equipment. You can also source one straight from the manufacturers; some of them could even be willing to make it as per your requirements.
Masts are frequently used in the field of telecommunications to boost up the signal. The taller the mast, the better is the quality of signal. However, it is quite cumbersome to shift a full length mast for mobile communications. Moreover, a fully extended mast does not make a pleasant sight and could discourage radio enthusiasts from using one, as it could disturb the neighbors. Moreover, users would like the area around their home to remain orderly, except when they need to receive or transmit signals.
Since a telescopic mast can easily be folded to a convenient length, its handling and transportation becomes very convenient. It can easily be shifted to any desired site by being attached to a car or another vehicle. Whenever you want to use it, simply remove it from the vehicle, extend it to its full length and secure it in place. Once the job is over, you can fold and store it back.
You also get telescopic masts that can be attached to trucks and cars to facilitate the transportation. During transportation, they are folded to prevent any navigational hazard and can easily be corrected when reaching the site. These kinds of masts are usually used by the trucks employed by the armed forces for catching communication signals while moving. These masts may be installed on other structures, including homes, and can be kept in pulled back position when not being used. They also form a part of a field kit, enabling the user to erect them on ground and use them for communication in extended position.
Telescopic masts are manufactured from various materials. The choice of material needs to take into consideration two important factors. One is the location of the mast, and the other is its utility. Apart from these two factors, there are also other factors that need a careful assessment while finalizing the material of any telescopic mast. For instance, the overall length of the collapsed mast needs to be known before hand. Likewise, you should also know if the mast is going to be self-supporting or not. In case it is not self-supporting, what type of attachments will be needed at its base for providing the needed support? The weight of the mast, governed by the material used for its construction, should also be considered.