As a hobby project for a rainy day, from home, I am trying to set up a +/- 1uS NTP server on a Raspberry Pi 3 B+. That said, I have determined that NTPd alone, without GPSd, is capable of this and sufficient for doing what I am trying to without the use of the NTPD/GPSD SHM driver.
My testing is being done on a freshly imaged SD card.
So tell ya what, I think I'm done with this, whatever this is.
I feel you're misrepresenting the information that I am presenting in my e-mails and I don't feel that you're the best person for me to be talking to about what I'm trying to accomplish.
I administer a software testing lab, professionally, and I know what I'm doing. I work with embedded systems and I've been working with Linux since kernel 2.2. Your excuses keep piling up and to be quite frank, I don't feel you're responding to me in good faith and I've had enough of your needless browbeating.
I can accomplish what I am attempting to without Raspbian and without GPSd. I am currently in my initial stages of bench-marking my newly customized design.
I want your subscribers to know that there are very simple alternatives out there that can allow them to have a very precise (+/- 5uS) NTP server on their Raspberry Pi 3 B+ device with 1PPS, without GPSD.
Take a look at the CentOS 7 ARMv7HL project.
Despite this initial release occuring when the RPi was a 2, things still appear to work quite well with RPi 3 boards.
So long, and thanks for all the fish.