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[AAC] Speed of "FTL-communication" in the Honorverse

 
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phamp

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Since: Aug 26, 2003
Posts: 393



(Msg. 46) Posted: Sun Oct 15, 2006 6:19 pm
Post subject: Re: [AAC] Speed of "FTL-communication" in the Honorverse [Login to view extended thread Info.]
Archived from groups: alt>books>david-weber (more info?)

Okay, so I'm late and catching up, but forkliftramp.com
<Brian_knowspam.McDonald.TakeThisOut@shaw.ca> wrote on Sun, 15 Oct 2006 04:31:23 GMT in
alt.books.david-weber :
>On Fri, 13 Oct 2006 08:56:14 -0700, Loren Pechtel
><lorenpechtel.TakeThisOut@hotmail.invalid.com> wrote:
>
>>On Fri, 13 Oct 2006 01:59:31 GMT, forkliftramp.com
>><Brian_knowspam.McDonald.TakeThisOut@shaw.ca> wrote:
>>
>>>>There's also the issue of moving targets. You're aiming based on
>>>>where it was 12 seconds ago at max combat range.
>>>
>>>max range for lasers is 3 seconds in the weberverse at the current
>>>state of the art.
>>>
>>>assuming ftl sensors like radar are used it's 3 seconds out to the
>>>target and 3 seconds back with the data about the target.
>>
>>Oops--I pulled a NASA--wrong units.
>>
>>Radar isn't FTL. The only FTL sensors they have are grav and I don't
>>get the impression they tell you fine detail.
>
>
>my bad dunno what i was thinking there.

The details which gravitic sensors can give you is the location and size of
the "disturbance in the force". All the other information comes from
databases of known signatures for various types, and possibly specific
ships. A comparison can be made to Sonar in the wet navy of today.

pyotr

--
pyotr filipivich.
"I wish you wouldn't use the mind control device - I get
these terrible migranes until it's finished." Jonathon

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John Fairhurst

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Since: Aug 19, 2006
Posts: 12



(Msg. 47) Posted: Wed Oct 18, 2006 3:52 pm
Post subject: Re: [AAC] Speed of "FTL-communication" in the Honorverse [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

In article <452c6ade$0$1722$c3e8da3@news.astraweb.com>, Loren Pechtel <lorenpechtel RemoveThis @hotmail.invalid.com> wrote:
>On Tue, 10 Oct 2006 22:58:44 GMT, pyotr filipivich
><phamp RemoveThis @mindspring.com> wrote:
>
>> I would suspect that the range on these things is "limited" and
>>stringing a line of "buoys" from here to there, in normal space, would
>>prove to be a right royal payne. For starters, things drift. The galaxy
>>is in orbit,a string of communication boys is also going to be "in orbit".
>
>Drift isn't a big deal. Out in deep space things move slowly. Let
>them drift--they'll have died of old age or obsolescence before they
>drift too far away from their position.
>

It isn't just drift that's stopping the RMN dropping loads of buoys between
systems.

To do any good, they'd have to go to front line systems and then you've got to
start applying assets to protecting these highly expensive and top secret
drones from Havenite raiders.

Not to menton that the whole paradigm of fighting has shifted by _At All
Costs_ to deep strikes on internal systems rather than hitting front line
systems and drilling through so a comm buoy network has no military necessity
any more and the commercial lines aren't going to get their hands on the tech
for quite a while I imagine...



--
John Fairhurst
john RemoveThis @johnsbooks.co.uk
http://www.johnsbooks.co.uk/

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phillies

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Since: Jul 15, 2003
Posts: 73



(Msg. 48) Posted: Sun Oct 22, 2006 11:09 pm
Post subject: Re: [AAC] Speed of "FTL-communication" in the Honorverse [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

At 60 c, you can have real time communications with noticeable lag between
the inner planets, but here to Pluto the lag in response is measured in
minutes. At 4 light years, the delay on a response is still over a month.

On Sun, 8 Oct 2006, gS49 wrote:

>
> "tim" <timothybil RemoveThis @comcast.net> wrote in message
> news:Xns9855EF7A95C1timothybilcomcastnet@207.217.125.201...
>> Henning Rogge <HRogge RemoveThis @gmx.net> wrote in
>> news:dus1j8$s9n$03$1@news.t-online.com:
>>
>>> I have just finished reading my 'At all costs' book, but there
>>> are a few things that I don't understand.
>>>
>>> FTL communication (like detecting an impeller) was described as
>>> nearly instant in all books before AAC. But in AAC it's said
>>> that the FTL-comm is only 60 times faster than light.
>>>
>>> Why is the FTL comm becoming much slower than before ?
>>>
>>
>> First, from the viewpoint of someone stuck with using light-speed
>> sensors, even 60C is for all intents and purposes instantaneous.
>>
>> Second, and to me more important, is the increase in "bandwidth" over
>> the course of years. In "Honor of the Queen", where FTL comm first
>> appears, it is so bandwith limited that they have to preprogram the
>> remote platforms with short code groups to have any hope of sending
>> reasonable information in a timely manner. By the time of "At All
>> Costs" Honor is engaging in real-time video communications, a rather
>> significant increase!
>
> 60c isn't "nearly instantaneous"? It's also a question of distance. If
> you're within a lightyear of the source--in the same star-system for
> example--60c is functionally instantaneous--faster than a human can react to
> the data. If you're a few dozen lightyears away, there's a noticable but
> deal-with-able lag, as will lightspeed communication with our Moon. At
> several hundred lightyears, if the gravity waves are detecable at all, the
> delay becomes significant.
>
> "deal-with-able"? Who wrote that?
>
> gS
>
>
>
>
>
>
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