Dual-RX Tip #2: FTdx5000MP Diversity Receive to Combat QSB

The FTdx5000MP has two separate receivers. They can each be tuned to the same frequency or to separate frequencies, even on different bands. People sometimes ask me, “why would you need to listen to two signals at the same time?” Though that can be handy, that isn’t the only purpose for a simultaneous dual-receive capable radio. Indeed I can tune VFO-B to a frequency where I’m expecting to meet up with someone on the air, squelch out the background noise, and carry on a QSO using VFO-A, while I await a call from the station with whom I have a scheduled contact (aka “sched”). I can also listen to the transmit frequency when working a split. This is especially helpful when the DX station is working a CW split. It is usually assumed that they are listening 1kHz up. But, sometimes you don’t get through to the DX station when you transmit 1kHz up. So I vary the B receiver frequency up or down a bit to see where the stations who are getting through are transmitting. This can be done with a single receiver/dual VFO radio too, by pressing the TXW button. But you must keep the button pressed while tuning the VFO. It is more convenient to temporarily activate the second receiver in a dual-receive transceiver and use it to listen for the chasers that the DX station is responding to. But this video is not about either of the aforementioned uses of a simultaneous dual-receive transceiver. This video covers another use of the second receiver. Ham radios with simultaneous...