Then Name the security updates.

Once your Pi is working never ever do an UPDATE, it makes no sense unless there is an absolute requirement by the developer of the application software. Create a backup image of your SD card once you

Long cables accumulate capacitance and resistance which at the extreme round off the square wave and decrease the peak voltage resulting in errors, this is especially true with poor quality wire cable

Advanced Astronomers use a lot of USB connected devices to control the telescope gear and have similar issues with power and ports. Google ‘Powered USB Hub for Astronomy”, lots of choices but $$$$$$$

Thanks for the SSTV suggestions, is QSSTV an ISO image or an app to install with sudo apt-get install ???? Thanks for the info .... Bill acj

Does SSTV software exist for the Pi ? Hardware here is a Pi-3b+ with sound card that runs wsjt-x for my portable stations. Bill K6ACJ

Adjust the parameters in boot.txt , the information is on the adafruit web site for the LCD product but might require a tad bit more adjustment to H and Width. Mine fits perfect on a 5” and 10” screen

I’m sorry I don’t have the exact file name for you but there is a TXT file in /boot that contains the display parameters to adjust. Also, if you go to adafruit.com and look at any of their 5” or 7” hd

In the past folks have setup SKYPE for audio but now HRO and MFJ sell a commercial interface which might be outside your budget. You did pretty good so far with the remote , in my day I C-Clamped a sh

At the command line install cheapvnc, check the name as I might not recall it correctly then reboot and log into the Pi locally or remote SSH At the command line start vncserver :1 or vncserver,1 , I

I purchased the Official High Power Pi-4 AD to DC power adapter and cut off the Pi-4 connector end and soldered a female USB onto the bare end. No voltage faults now. Bill acj

HDMI puts out enough RF noise to block the sensitive input to the GPS, move the GPS away from the Pi and cables as far as possible or test it by taking everything outside for a stronger GPS satellite

I am mystified by all the reports of failed SD cards and wonder where these are coming from because I have many RPis as old as the first originals up to the 3b+ without failure, two Pi run 24/7 for ye

The WittyPI III from UUGEAR will take input to 15V to power the Pi, the WittyPi also contains an accurate RTC and lots of automatic power up and power down programming options. I use 4 of these to con

You DO want high resolution and might have to juggle the display parameters in boot. I found the 10" Winmaxit flat LCD HDMI on ebay is pretty dang good, plug n go, its bright, adjustable, This is my s

The signalink and many others like it are plug n go on the Pi ..... Bill K6ACJ.

My first question is ‘WHY’ ? K6acj

This 9V to 12V 10" diagonal monitor has built in dual speakers and works wonderful with WSJT-X, SDRPlay and ALLSKY cameras. WIMAXIT on ebay. Previously I used the 7" touchscreen from Adafruit, also ba

A spectrum analyzer is an instrument to properly adjust the audio and deviation in a FM transmitter and is critical to good 9600 baud transmitter quality while good 1200 baud might be obtainable by ea

Pi Performance. At least 3 years I’ve been running WSJT-X on Pi-2, Pi-3 and P-3B with either Signalink USB or one of those $5 USB sound dongles, Of course the Pi-3 (++) handles the GUI interface bette