Finally the Inrad RX7300 modification! I’m in the process of adding a panadapter to my Icom 7300. The Inrad RX7300 is installed and I managed to keep the external antenna tuner jack on the rear of the IC-7300. All I did was let it dangle from the rear of the radio. This is temporary and I make no guarantees about this.
The alternative is to provide power to the external tuner and use the tuner button on it. That has it’s drawbacks. For one, I won’t be able to use software (HRD) to start the autotuner.
I have an LDG AT-600ProII Autotuner connected to the Icom 7300 and I use it with my amplifier.
In a few months when I move the radio into my camper, I’ll keep the Inrad RX7300 and do away with the external tuner jack altogether. I won’t need the external tuner in the camper.
Inrad RX7300 Modification
Installation of the Inrad RX7300 is a breeze. Another Ham (Steve Ellington) has a YouTube video on the installation, so I won’t be making one. I have some photos on the next page.
What is different from mine is the external antenna tuner jack.
The instructions included with the Inrad RX7300 are well written. However, the black and white photos in the instructions are tough to make out. Go to page 2.