From the mind of Gavin MM1BXF…
As with my other radios (IC-756pro3 IF Tap page, IC-910H IF Tap page & IC-706mk2G IF Tap page) I wanted to tap the IF (Intermediate Frequency 68.33MHz) out of my Yaesu FT-817 to allow monitoring on an SDR radio and…
Read more
As with my other radios (IC-756pro3, IC-910H & FT-817) I wanted to tap the IF (Intermediate Frequency) out of my Icom IC-706Mk2G to allow monitoring on an SDR radio and associated software. The IC-706Mk2G has two IF frequencies, I tapped…
Read more
In my car I use an Icom IC-2820 which is a dual band (dual receive) mobile radio, but only ever monitor one side at a time (the other side has the volume down) and in the previous car I used…
Read more
The Icom IC-756pro3 has 2 options for tapping the IF, one is at 64.455MHz and the other is at 13.345MHz taken from the bands scope circuit. This article covers tapping the IF at 64.455MHz which I found more useful for…
Read more
Modification of the Harris Amplifier is not the reason for this article, there are many documents on the web covering this [Site 1, Site 2 part1 & Site 2 part 2], I followed Mark GM4ISM’s as Mark was the source…
Read more
By default the Yaesu FT-817 only supports the VOX (Voice Operated Xmit) from the microphone input. This is generally fine as it would generally be used on SSB with a headset for example. However with the increased adoption of smartphones…
Read more
I looked about on the net for how to modify my Icom IC-910H to bring the main band IF out on a connector at the rear of the radio but couldn’t find anything so I dug out my service manual…
Read more