Frequencies
antenna length: omnicalculator.com/physics/dipole
HR Radio Stations: ccrane.com/shortwave-frequency-list
DESCRIPTION - MODE FREQUENCY
40m (local day / internationsl night) 7 - 7.2MHz
(CW: 7-7.04; PSK: 7.042; SSB: 7.05-7.2)
20m (all rounder) 14 - 14.350MHz (10.2m)
(CW: 12-12.07; PSK: 14.07; JT65: 14.076; RTTY: 14.08-14.099; SSB: 14.1->)
15m (asia early; us later) 21 - 21.45MHz (6.8m)
(CW: 21-21.07; PSK 21.07; SSB: 21.15->)
10m (long distance - subject to sun spots) 28 - 28.6MHz (5m)
(CW: 28-28.07; JT65: 28.076; PSK: 28.12; SSB: 28.225->)
12m Amateur Radio (AM/FM/CW/USB/LSB) 24.890 - 24.990MHz
CB Radio (AM/FM/USB/LSB) 26 - 28MHZ
10m Amateur Radio (AM/FM/CW/USB/LSB) 28.400 - 29.700MHz
6m Amateur Radio (AM/FM/CW/USB/LSB) 50 - 52MHZ
Civil Airband (AM) 117.975 - 136.000 MHz
Weather Satellites 137MHz (1.04m) noaa-apt (or maybe here)
2m Amateur Radio (AM/FM/CW/USB/LSB) 144 - 146MHZ
Marine Band (FM) 156 - 163MHz (0.89m)
PMR (Private Mobile Radio) (NFM) 163 - 185MHZ
Military Airband (AM) 200 - 399MHZ
70 cm Amateur Radio (AM/FM/CW/USB/LSB) 430 - 440MHZ
Electronics 433 433MHz (0.33m) rtl_433
PMR and Security (NFM) 440 - 470MHZ
Aircraft transponder 1090MHz (0.13m) dump1090-mutability