My main antenna system for 144 MHz is a CROSS DX EME Antenna CROSS24DXP Ultimate Low Noise by antennas-amplifiers.com. It is a high gain antenna system and 2 of this antennas in H-frame configurations brings me at all gain of ~18 dB(d) H and V. G/T of just -4.29 dB means great gain and low noise.
My second 144 MHz antenna is a 11 element DK7ZB OWL wide band antenna. This antenna is still working with ice on it because wideband but lower gain ideal for meteorscatter.
70 MHz antenna is a 8 element PA70-8-7BG by antennas-amplifiers.com
50 MHz is a 6 element PA50-6-6 by antennas-amplifiers.com