[ih] Packet Radio Software

[Vint Cerf]

"upgraded packet radio"

v


On Tue, Sep 8, 2020 at 7:31 PM Barbara Denny via Internet-history <
internet-history at elists.isoc.org> wrote:

>  Hi
> Thanks for the ien78 reference! It brings back memories, especially
> looking at the pictures. I will take a more detailed look soon.
> BTW, in doing some quick wikipedia lookups regarding packet radio I
> noticed what may be a mistake.  I have heard of the EPR, VPR, IPR, and the
> LPR as names for the different Packet Radio hardware.  A Wikipedia entry
> for prnet mentioned a UPR.  I have never heard of it before. Anyone out
> there know about this one?  Given that same article doesn't mention the
> VPR  I wonder if an error got propagated somehow.
> barbara
>     On Tuesday, September 8, 2020, 09:29:38 AM PDT, Lawrence Stewart via
> Internet-history <internet-history at elists.isoc.org> wrote:
>
>  I was peripherally involved in the PRNet activities in the Bay Area and
> went to a few quarterly meetings at SRI.  (I built an 1822 interface for
> the Alto and we used it to encapsulate PUP packets for transit over PRNet,
> linking two Xerox sites in Palo Alto*)
>
> The radios and radio software was built by Rockwell (nee Collins Radio)
> and my youthful read on the vibes at meetings was that the SRI/Arpa people
> did not think much of the software development practices.  One story I
> heard was that Rockwell management insisted on very tight control of the
> top secret source code.  This meant that the master copy was to be kept on
> punch cards in the manager’s office.
>
> So it seems unlikely to me that the radios would be reloading their
> software from neighbors, at least until after other folks were able to make
> modifications.
>
> * http://www.watersprings.org/pub/rfc/ien/ien78.pdf <
> http://www.watersprings.org/pub/rfc/ien/ien78.pdf>
>
> -L
>
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