I trimmed the log so that there is only STS result lines listed. It will be attached to this post.
Each major line (the "3 lines" on the 436 screen) is delimited by two commas together like so:
,,
There are several lines of underscores which never change on the STS result line, which are used to split the screen elements. They are a comma, 24 underscore (_) characters, and another comma.
I'm not sure what the binary represents immediately after "STS,". It's constantly 00110110110000, which is 3504 if my math is right. Being that it's constant, I wonder if it's the voltage, which is of course constant since my scanner is connected to the computer.
After that is the favorite and system quick key list. From the comma after the binary code to the comma that starts the line of underscores (not including either), it's 50 characters. (The favorites line is 24, the system line is 24, with a pair of commas between them.) The favorites line has the time at the end (format hh:mm), and the system line has the date at the end (format Mmm.dd).
On occasion I get unusual characters after the time or at the end of the system line (just before the line of underscores). In the case of the characters after the time, it's sometimes a "smart quote" and a copyright symbol (ASCII 168 and ASCII 169); sometimes it's a broken "pipe" character (ASCII 166). These are surely representing the signal strength indicator. I'd presume there'd be more characters shown for stronger or weaker signals, but that's what I got.
I also occasionally got a "non-printing" character at the end of the system line. It's always been ASCII 2 for me. It corresponds to the 'up arrow' which indicates the scan direction.
The first row of the system name is next - 24 characters, then two commas, then 24 more characters for the second row, then two more commas, then the favorites list name - also 24 characters (seeing a pattern here?
). Then there's one of those rows of underscores.
24 characters next for the site name
or department name, followed by two commas, then 24 more characters of same (if necessary). Note that if a title is longer than 24 characters, they don't split a word across the two commas - if it is going to go longer than 24, they post that entire word on line 2.
It appears that if the department name text is going to go longer than the 2x24 character limit, the last two characters are replaced by ASCII 6 and ASCII 7. I presume that would be the same for system or channel names too.
If the above is a department name on a trunk system, the next line (after another pair of commas) is the site name (24 characters), otherwise it's blank. After this is an underscore row again.
Finally we have the channel name (24 chars) or "Scanning..." or "ID Searching..." (or I presume "ID Scanning...", but I have search enabled on all my trunk systems). As with the others, there's a second 24 character row (after a pair of commas) in case the name is longer.
One more pair of commas precedes another 24-character row which has the radio ID (aka UID) or alias if programmed in. If it's prefaced with "UID:" you can assume an un-aliased number.
After another pair of commas comes 24 more characters for the TGID, which even on identified TGs is its number prefaced with "TGID:". It's blank on a non-trunk system.
Note: On one of those two rows, I would expect you will see the CTCSS/DCS/NAC if it's detected. I didn't come across a detected tone when I was doing the capture, so I don't know which.
Another underscore row is next. After that is another 24 character row. This row appears blank a lot of the time, but on occasion, ASCII 139/140/141 occupy positions 15, 16, and 17 in this field. They appear to represent the "REC" symbol when a signal is being recorded. (They don't display the letters "REC" in the terminal window or the logs, though.)
Next, after two more commas, is the number tag, if you are on an active channel (if scanning, the row is blank). The format is always "Tag:FF:SS:NNN", with FF being the favorite list number tag, SS being the system number tag, and NNN being the channel number tag. When the tag is present, there are four "non-printing" characters following the NNN part of the tag. (They are ASCII 15/16/14/11 in that order - that appears to represent the NFM symbol on my radio.) If there is a DAT, LNK, etc. indicator, it occurs in the last 7 characters of this row (from character 18 on).
Finally, there are two commas, and a series of data pieces I don't know the purpose of ("1,1,0,0,,,0,OFF,0" is one such example), and that ends the STS line.