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Sunday, July 27, 2008


So I go to the TRW swap meet, on the last Saturday of the month, it goes 7-11:30 am, but you better leave early as the sun will burn you, still feel my neck peeling skin, not something I should subject myself too, skin cancer is definitely a risk for me, my dad got it. But there are so many booths and the offerings and prices are very compelling. I don't think the vendors get much for their efforts, but the space the gain by selling out. I was on the look for a DS3 router with a HSSI card, but I guess T1 is about the best that I could do at this venue. Instead I bought things I didn't need, that end up stealling time from me like a passwd protected 1 GigB USB thumb drive, $7 and a SouthWing SH315, which won't work with the laptops for Skype, the reason I bought it, but might with the N95, not too confortable to wear, thouhg, $15, anyone want it? So there goes my dream of buying a DS3 router for cheap for the new office. And who knows if these laptops have bluetooth, they both seem to have a symbol on the, but I can't find support for it.
I was rather intregued by some older technology, like the telegraph. When you think about the simplicity of running one strand of cable, perhaps grounding the other and managing to send a signal between towns, this must have been quite a revolution in the 1800s. Seems that smoke signals and even the internet are now considered to be telegraph, or the long-distance transmission of written messages without physical transport of letters. But I think of it being that key with morse code, which could easily be done with smoke or light as well, but the key to the left works with electricity. I almost felt like buying a key, it is just such a simple signal generator. I wonder if someone could actually transmit ASCII binary on it at some slow baud rate? Might be a Defcon challenge.

I was really impressed with the great condition of this 1957 record cutting machine with a radio and a mic. So you could cut your record off the air, AM radio or from a live band, kind of amazing technology. I have to say that the sound quality of the recordings was first rate, perhaps better then some current technology, wonder if I can hear the limits of digital and transistors. It had a quality I haven't heard in a while. Not a bad deal for $250, but alas, what would I do with this?


Eric Hagerstrom said...

Re: the telegraph key. It's a semiautomatic bug -- the thumb side transmits a string of dots and the right paddle is manually held down for the dashes. One of the first programs on a chip was a Morse to ASCII converter. The difference between my generation of geeks and yours is that we started out as amateur radio operators proficient in Morse code communication.

Anonymous said...

Wow. Cisco 4000 (in the picture you too) is old:

I want to buy it though. haha!