Watching A Planet Kurt Feltenberger (25 Sep 2015 04:01 UTC)
Re: [TML] Watching A Planet Thomas Jones-Low (25 Sep 2015 04:43 UTC)
Re: [TML] Watching A Planet Greg Nokes (25 Sep 2015 04:54 UTC)
Re: [TML] Watching A Planet Kurt Feltenberger (25 Sep 2015 23:42 UTC)
Re: [TML] Watching A Planet Kurt Feltenberger (25 Sep 2015 23:41 UTC)
Re: [TML] Watching A Planet Edward Swatschek (26 Sep 2015 00:45 UTC)
Re: [TML] Watching A Planet shadow@xxxxxx (29 Sep 2015 18:55 UTC)
Re: Watching A Planet Rob O'Connor (26 Sep 2015 08:54 UTC)
Re: [TML] Re: Watching A Planet Grimmund (28 Sep 2015 13:02 UTC)
Re: [TML] Re: Watching A Planet Kurt Feltenberger (29 Sep 2015 00:26 UTC)
Re: [TML] Re: Watching A Planet Craig Berry (29 Sep 2015 03:56 UTC)
Re: [TML] Re: Watching A Planet Greg Chalik (29 Sep 2015 04:08 UTC)
Re: [TML] Re: Watching A Planet Jeffrey Schwartz (29 Sep 2015 14:43 UTC)
Re: [TML] Watching A Planet Bruce Johnson (29 Sep 2015 14:53 UTC)
Re: [TML] Watching A Planet Craig Berry (29 Sep 2015 15:19 UTC)
Re: [TML] Re: Watching A Planet Kurt Feltenberger (29 Sep 2015 00:18 UTC)
Re: [TML] Watching A Planet Bruce Johnson (29 Sep 2015 16:04 UTC)
Re: [TML] Watching A Planet Jeffrey Schwartz (29 Sep 2015 16:10 UTC)
Re: [TML] Watching A Planet Kelly St. Clair (29 Sep 2015 16:53 UTC)
Re: [TML] Watching A Planet Greg Nokes (29 Sep 2015 18:55 UTC)
Re: [TML] Re: Watching A Planet Rob O'Connor (30 Sep 2015 09:37 UTC)
Re: [TML] Re: Watching A Planet Craig Berry (28 Sep 2015 03:28 UTC)
Re: [TML] Watching A Planet Bruce Johnson (28 Sep 2015 04:09 UTC)
Re: [TML] Watching A Planet Kurt Feltenberger (29 Sep 2015 00:22 UTC)
Re: [TML] Watching A Planet Rob O'Connor (29 Sep 2015 06:15 UTC)
Re: [TML] Watching A Planet Grimmund (29 Sep 2015 13:40 UTC)
Re: [TML] Watching A Planet shadow@xxxxxx (29 Sep 2015 18:55 UTC)

Re: [TML] Re: Watching A Planet Grimmund 28 Sep 2015 13:02 UTC

On Sat, Sep 26, 2015 at 3:54 AM, Rob O'Connor <xxxxxx@ozemail.com.au> wrote:
> Kurt Feltenberger wrote:
>> If you wanted to observe a planet without being seen...
>
> What does 'observe a planet' mean?
> Continuous coverage of the entire surface needs multiple observers in
> different positions.
>
> Continuous coverage of a region requires a synchronous orbit, which is
> pretty close to a planet by Traveller standards.
>
> Etc.
>
>> assuming you had a stealthy enough ship...
>
> Depends on the rule set and its tech assumptions.
>
> For Traveller, electromagnetic masking with an overall volume of less than
> 100 displacement tons seems a good starting point.
>
> You are limited by how you want to observe the planet.
> Electromagnetic spectrum only?
> Neutrino emissions?
> Gravity waves?
> What resolution is required?
>
> Is aperture synthesis possible to improve resolution?
> How long are we allowed to watch the planet before integrating data?
> (consider exposure time effects in astronomy).
>
>
> Then: what sensor tech does the target have?

Everything Rob asked, plus, are the locals actively LOOKING for you?

If they are, are they looking for you because you're criminals/owe
them money, or are they simply being vigilant for threats and may spot
you by accident if your profile matches their threat profile?

--
"Any sufficiently advanced parody is indistinguishable from a genuine
kook." -Alan Morgan