I am in an apartment in Mississauga about 15 km south-west of CYYZ. All my equipment, including the Antennas are indoor, placed near windows.
Here you can see my max range:
Note:
(1) The comparison is not precise due to difference in hardware. However it is good for general comparison.
(2) Both antennas are located in same window at 25 cm horizontal spacing.
Stn 6236
FA antenna >> 30cm RG316 pigtail >> FA Filter >> ProStick Plus >> 1m USB extender cable >> OrangePi
https://www.radarbox.com/stations/EXTRPI000035
https://opensky-network.org/receiver-profile?s=11
Stn 76000
V-Stub whip antenna on mag-mount base >> 3 meters RG174 coax >> Radarbox FlightStick (green) >> RPi model 4
https://www.radarbox.com/stations/EXTRPI000036
https://opensky-network.org/receiver-profile?s=100