I'm not the one that tinkers with the data - that was Don and Marc. So I wasn't privy to the details. That said, but in T5.09, page 404 there is:

"Amber worlds with low population (Pop= 6 or less) have the label if local conditions may prove dangerous (as reflected by the low population). Amber worlds with higher population (Pop= 7 or more) may require caution by visitors, but the fact that large numbers live on the world makes the classification less about danger and more about intriguing or exotic conditions."

And on 412 I see the clauses:

## Travel Zones ##

G - Green

A - Amber - Da - if (pop 0-6 or Gov+LL).

A - Amber - Pz - if not (pop 0-6 or Gov+LL).

R - Red - Fo - Forbidden

## Government and Law Level ##

If Gov+LL is 20 or greater impose Amber Zone (Da).

If Gov+LL is 22 or greater impose Red Zone.

Okay, so that to me says "If you've decided it's Amber Zone, it gets Da if lowish pop (easily lost) or strict society (easily offended), and Pz otherwise" which matches the text.

Then it goes on to say that a high Gov+LL gets Amber automatically (and therefore Da) - sure, if you might get arrested for a minor infraction, I can see that. And sure enough, a quick skim of the data change (see below) shows the new amber zones seem to all have high Gov+LL.

What's odd is that many of them are tagged Pz and not Da. And... that's a LOT of new Amber Zones. So ISTM there are possible issues with the data (there shouldn't be auto-Pz at all, and/or all those new Pz's should be Da's?) or the rules (too severe?) or both.

...

Re: data history - the data is included in the travellermap source on GitHub, so you can e.g. look at:

https://github.com/inexorabletash/travellermap/commits/master/res/Sectors

Look for commits with "T5SS Data Drop", e.g. https://github.com/inexorabletash/travellermap/commit/34c48a13ba4f55a7cf4c7fcd2a74b2a13abe9d26

On Fri, Feb 12, 2016 at 12:23 PM, Timothy Collinson <xxxxxx@port.ac.uk> wrote:

Friday, 12 February 2016, 03:31pm +00:00 from Joshua Bell <xxxxxx@gmail.com>:

The increase in amber zones (strictly following the T5 rules) across all of the reviewed sectors of Charted Space was included in one of the last T5SS data updates I received from Don McKinney before his untimely death. The intent of sharing the data via travellermap.com is to get feedback on the data. Unfortunately his passing means that feedback like "whoah, there seem to be too many" or "this changes everything!" hasn't been processed yet.
I'll pass on the message/concern/etc as the review process reboots.

As Tom says, many thanks for your labours. Still think Traveller map is a brilliant thing.

I do have two questions if I may:
- you say the Amber Zones are determined by the T5 rules, but I understand them to say AZ are 'special' and referee chosen. How are you assigning them?

- is there anywhere I can check the date of the last update of a world or sector, so I can tell how recently they've been adjusted? I can't see anywhere but maybe looking in the wrong place

Cheers

tc
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