For cal factors, I have to use the Signal Hound as a reference but its rated for 20dBm Max. Adding attenuators is fine but I have no way to remove the error they add. I can match SA and attenuators with the coupler, attenuators and detector side. I can measure the attenuators on the VNA, but of course there's errors with that as well. I really need a Bird golden standard to make any sense of it.
6:00 in, looks like he's a ham. Funny story.
Well, that's 9:38 of my life I'll never get back----I gave up at that point!
So Ameritron are a pain in the butt,---big deal!
Such attitudes have always been with us, despite the bloke in the video's "rose coloured" view of the past!
I remember years ago (1970s) getting a dead 23ch SSB CB radio cheap, with the intent of modifying it to the 10m ham band, then using it to drive a 2m transverter.
The repair was easy, but the mod not so much, & when I tried to get a schematic, the local agent wouldn't let me have one.
I finally got one through a friend who was selling the things---not that brand, strangely, but by that time, I had become disenchanted with the whole idea, & put it aside.
One advantage of the Internet is that you can download blurry photocopies freely, instead of having to go begging for them!
Then there was Philips, who used to have a supercilious bastard on the Parts counter, who would use any fine print to prevent you getting "trade price" for things.
After their Service section returned my Philishave in parts in a cardboard box, it confirmed my feeling that Philips were bastards!