[cctalk] Re: Knockoffs, was: Low cost logic analyzer

2023-03-17 Thread Alexander Huemer via cctalk
On Thu, Mar 16, 2023 at 09:25:31PM -0400, Ken Seefried wrote: > On Thu, Mar 16, 2023 at 12:32 PM Alexander Huemer via cctalk < > cctalk@classiccmp.org> wrote: > > > On Thu, Mar 16, 2023 at 11:05:41PM +0800, Tom Hunter via cctalk wrote: > > > FSF does not enforce

[cctalk] Re: Knockoffs, was: Low cost logic analyzer

2023-03-16 Thread Alexander Huemer via cctalk
On Thu, Mar 16, 2023 at 11:05:41PM +0800, Tom Hunter via cctalk wrote: > FSF does not enforce anything. https://gpl-violations.org/ They do though. -Alex

[cctalk] Re: Knockoffs, was: Low cost logic analyzer

2023-03-14 Thread Alexander Huemer via cctalk
On Tue, Mar 14, 2023 at 09:16:02PM +, Jonathan Chapman via cctalk wrote: > > But, as some who worked > > to bring a product to market only to see people on forums say "Skip > > buying it from Jim for , you can build the same thing by yourself > > for $ from AliExpress parts or buy this eBay

[cctalk] Re: Low cost logic analyzer

2023-03-14 Thread Alexander Huemer via cctalk
On Mon, Mar 13, 2023 at 08:28:35PM -0500, Jim Brain via cctalk wrote: > On 3/13/2023 8:12 PM, Paul Koning via cctalk wrote: > > Gents, > > > > I've been doing logic debugging (on a fairly primitive software defined > > radio I designed back in 1999) with an old Philips logic analyzer. It's > >

[cctalk] Re: Old Silicon Valley poster

2022-12-04 Thread Alexander Huemer via cctalk
It would be cool if those could be scanned before disappearing somewhere. -Alex On Sun, Dec 04, 2022 at 09:11:44PM -0600, John Foust via cctalk wrote: > > I'm cleaning out my warehouse bit by bit, and started selling posters > on the eBay. > > I have two of these: > > https://www.ebay.com/itm

[cctalk] Searching for software for Tektronix 4970 Cluster Controller

2022-08-01 Thread Alexander Huemer via cctalk
Hi The Tektronix 4970 does something similar to an IBM 3174 or 3708. It hooks up terminals to an IBM mainframe, in this case Tektronix graphics terminals, see [1], p.36ff. Is anybody here in possession of the software that runs on it? -Alex [1] http://bitsavers.org/pdf/tektronix/tekniques/vol7/

Re: HP 54200D oscope practically worthless?

2022-05-12 Thread Alexander Huemer via cctalk
On Thu, May 12, 2022 at 02:01:50PM -0400, William Sudbrink via cctalk wrote: > I picked up one of these in a batch of electronics. Is it worth > repairing/investigating? > I don't see much on the web and they seem to go for practically nothing on > epay. > Is there something inherently wrong with

Searching for information reg. IBM 3979 (Expansion module for 3179G / 3192G coax (3270) terminal)

2022-01-26 Thread Alexander Huemer via cctalk
Hi! I am the proud owner of a 3192G coax terminal. As I have recently learned, there is an expansion module for the terminal that allows you to attach a mouse and a IEEE-488 pen plotter to the terminal. Some information about it can be found at [1] and [2]. I am searching for people who are in p