[amsat-bb] ISS ping box (now PBBS)

[Andrew Rich]

Like a space transponder ? 

-----------------------------
Sent from my iPhone
Andrew Rich
e vk4tec at tech-software.net
w www.tech-software.net
m 0419 738 223

> On 23 Sep 2016, at 22:22, Edson W. R. Pereira <ewpereira at gmail.com> wrote:
> 
> What would be required (from the point of view of paper work, logistics,
> approvals, etc.) to replace the current ISS packet radio TNC by a device
> that would implement some more efficient digital communications? The device
> could be a digipeater, but employing strong FEC and a more modern
> modulation and framing structure and perhaps some better scheme for channel
> access. Perhaps something similar to ngham.
> 
> https://github.com/skagmo/ngham
> 
> With FEC and higher speed, we could accommodate many more users on a single
> pass. A dedicated software application on the ground would implement the
> modem and process information -- separating different types of messages in
> different screens, providing a chat like mode for real-time communications,
> automatically forwarding APRS packets, etc.
> 
> Am I day dreaming?
> 
> 73, Edson PY2SDR
> 
> 
> 
> ---
> - We humans have the capability to do amazing things if we work together.
> - Nós seres humanos temos a capacidade de fazer coisas incríveis se
> trabalharmos juntos.
> 
> On Thu, Sep 22, 2016 at 3:11 PM, Robert Bruninga <bruninga at usna.edu> wrote:
> 
>>> Andrew, What you should be doing is try using the onboard packet BBS.
>> 
>> WHAT?!!!  NO!!!
>> 
>> Packet BBS operation via space was proved to be entirely inoperable,
>> impossible total congestion,, inefficient, impractical, wasteful and
>> discunctional use of packet via satllites 20 years ago.  That is why all
>> operation now uses single packet exchanges using UNPROTO or UI packets and
>> why UI messaging was invented.
>> 
>> All it takes is one person to try to log on, and then the ENTIRE PASS is
>> lost to retries and retries and retries.  Nothing is accomplished, and
>> rarely if ever does anyone even get logged on.  It is an abomination to
>> even think about using the ISS BBS.
>> 
>>> That way people could read and send you messages.
>>> As you're in a low use ISS area this would be ideal for
>>> you and other ISS users...
>> 
>> Oops... nevermind... I see you are on an island thousands of miles from
>> any Ham Radio density...
>> 
>> But again, this will ONLY work over Hawaii, or Australia, or South Africa
>> or other areas where packet ISS usage is so low as to be non-existant.  In
>> those places, yes, it would be a fun experiment.  BUT ONLY UNTIL others
>> heard about it.  Then it would be the same ole' "tradgedy of the
>> commons"... (google it)...  Everybody tries and it fails for everyone....
>> 
>> And a disaster if anyone tried it over the USA or Europe.
>> 
>> Bob, WB4APR
>> 
>> -----Original Message-----
>>> If you're the only station out there, then what's the point of
>> transmitting at all?
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