Apart from the K4's optional superhetrodyne front end... :>) Not totally abandoning the past... I quote "The K4HD in turn builds on the K4D and additionally offers a dual superhet module (for main and

How about a third vote. I lent my Duo to a buddy and packaged it up in the HF case. Add some felt and a scissors and a little weatherstrip adhesive and it looks pretty professional. Paul W9PCS

Are you sure that you have the 11.20 version? http://www.flashmagictool.com/download.html&d=11.20/FlashMagic.exe I had the same problem and until I un-installed the 12.01 version and installed version

Hi Fernado Just for the record what PC brand and model do you have? If it is brand specific the rest of us would like to know paul WB9HCO

Just a thought, have you tried to run a registry cleaner to remove any traces of SW2 before trying a re-install? I don't use SW2, so I have no direct experience with this problem, but I have used CCle

Hi John Try 2357, that was the passcode in the directions that I had. paul WB9HCO

Thanks for the help, here are a few links to the Go Box that this HC05 journey was all about https://www.dropbox.com/s/ugrt3yev2zknenv/Commander.jpg?dl=0 https://www.dropbox.com/s/hrdtjyhuqtiq4d1/The%

Hi Giovanni Looks like I'm into the HC05 I had to update the pi and enable the hardware UART. I disabled the serial console in the pi's config menu. Do you know how long it's been since I did a loopba

Hello Giovanni Thanks for the guide, and it's not tedious. I am using cutecom on a Raspberry pi 3 Going back to basics I pulled out a old TTL pulse probe and checked the TX pin on the pi. I didn't see

I either have the worst luck buying HC-05's... The bluetooth dongle is the last little bit I wanted to get done for my go box, it was a workaround for the lack of band buttons. I have tried four of th

I want to use my Heil microphones with the FDM-DUO. I built a small preamp to change the Heil level to what the FDM-DUO requires. The audio report that I get are superb with the supplied hand mic, but

Just a thought, but the PR781 is a dynamic mic. I have one and use it on my K3s I think most computer sound cards expect a drive level more akin to the FDM-DUO native input of a Icom type mic. If I re

I have a RS232 to TTL level translator and will be programming via CuteCom on one of my linux boxes... Do you have a list of command changes that we need to perform? I have nothing against Raspberry P

Here's what I'm up to... Take a look here: http://www.wa4dsy.net/filter/filterdesign.html Scroll down to the band reject filter Input the following data: Type Poles -10 Center Frequency 1620 3 db band

I am a new FDM-DUO owner. I wired up some Anderson connectors and plugged the Duo in. I did some on air testing after my 75 meter morning net and got great reports from the guys. My question is about