Rob,
Your name does ring a bell. I just searched my personal gmail and found our interactions from 2010.
1) there isn't a public list of controllers online. Controller lists only exist with other online networks because you have to know which positions are online to know which ones to choose. Since our radio system models the real world, there are no controller lists. There isn't a mechanism for you to PM the controllers. If you want to chat with other pilots and some of the controllers socially, the Discord server is absolutely the best place to do that. On average, one person works the Western US position, while 1-2 controllers work ZLA. This increases during training or during events, but otherwise, that's the normal staffing configuration. This means you'll hear the same controller on many freqs (which happens in real life on a smaller scale when one controller works clearance, ground and tower during quiet hours at a Class C/D field).
2) Yes, the controller should catch it if you don't swap freqs. There will be times when it's busy and they might not catch it, but by and large we do catch it.
3) Good question. A few challenges ensue for people coming over from other networks;
a) inability to use voice CTAF correctly at non-towered fields. Since voice CTAF is sketchy to non-existent on other networks, people rely on text at non-towered fields. They're also not aware that 122.80 isn't the only CTAF freq in use...there's quite a few freqs, so it's important to check the published CTAF for the field you're using.
b) unfamiliar with the concept of controller working multiple frequencies where you can't hear all the other pilots who the controller is working. This absolutely happens in real life (
https://www.youtube.com/watch?v=e_CNPPIdwbw, pay careful attention and take note of how many controller calls seem to go unanswered because the pilots are on another freq, or are too far away to be heard). As a result, if you're wanting to talk to approach and that controller has just issued an IFR clearance, you can bet that a pilot is reading back the clearance on another freq, so until you hear "readback correct," there is little point in calling them.
c) one of the few things we do which is specific to PilotEdge is have repeaters on the ground/tower freqs within ZLA, and separately, within WUS. This reduces the blocks during the phases of flight where there are the longest and most frequent cold calls to ATC.
d) unfamiliar with how to find a frequency for a given facility, or the fact that some airports have multiple ground and tower freqs (SNA, for example, has west/east ground/tower freqs)
e) unfamiliar with the jurisdiction of ground/tower/approach controllers. If you're 30 miles out for landing at a Class C airport, you typically call the approach controller, not tower. This distinction is lost on VATSIM where the roles get muddied. Here, even if it's the same PERSON working both, the ROLES are separated by frequency, so if you're calling the wrong role, you'll hear about it.
f) this one is more subjective, but people have some very 'relaxed' phraseology from the other networks. "Socal, uhhhh, THIS IS uhhhh Cessna Skyhawk November 123AB, WITH YOU....approximately 14.5 nautical miles north.....northwes.....southeast of the P D Z VOR..." at which point I've already started screaming at my screen, yelling "GET ON WITH IT." The call should've been, "Socal, Skyhawk 123AB, 14 northwest Paradise, request advisories to John Wayne," or something like that. Our controllers do get very busy at times with a bunch of planes doing approaches at a wide variety of fields, there just isn't a whole lot of time for gross inefficiency. There's no pretty way of putting it, but just like the real world, when it's busy, the controller' tolerance for grossly inefficient radio calls is limited.
g) the voice latency is next to nothing. You can (and should) respond without much delay to calls. On VATSIM it's typical to have lengthy delays between calls and responses. In the real world on a busy freq, there's very little dead time. Pay attention to the controller cadence and try to match it to the extent possible. If so, they'll love you long time and you'll be practically invisible, which is the goal...just like real life.
That's about all I can think of!