A Microstrip Second-Iteration Square Koch Dipole Antenna for TT&C Downlink Applications in Small Satellites

Figure 5

Radiation patterns at 436.5 MHz: (a) 3D simulated total gain pattern with respect to the PCB geometry and its corresponding magnitude of the current distribution on the antenna surface, (b) 2D plots for simulated normalized total gain patterns for the main antenna planes, and (c) 2D plots for measured normalized power patterns for the main antenna planes inside an anechoic chamber.

(a)

(b)

(c)