A very low frequency needs a very large antenna ... that there is often a mast or other easily gauged structure for a reference. The description says that this dipole is for “1 to 4 GHz ...

Rather than each of the dipole’s legs being straight ... band and hoisting the center of the antenna up somehow. In [W3CT]’s case he’s using a mast which would break the $8 budget, but ...

A dipole antenna is commonly used in radio and telecommunications ... To prepare for testing, NASA intern Alex Moricette installed the antenna onto the mast of the anechoic chamber. The antenna ...

NASA developed and tested a 3D-printed antenna to demonstrate a low-cost capability to communicate science data to Earth. The antenna, tested in flight using an atmospheric weather balloon, could open ...