Re: Anyone interested in old (PDP-8 driven) Radio Automation hardware?

On 12/9/15 6:54 AM, Al Kossow wrote: you had to clean the heads every couple of shifts at a non-automated station. I hadn't ever thought much about this, but the air sound of a 1960's Top-40 AM radio station was the direct result of the invention of the cart machine.

Re: Anyone interested in old (PDP-8 driven) Radio Automation hardware?

On 12/8/15 8:54 PM, Alexis Kotlowy wrote: Very interesting. The cartridges were probably NAB cartridges. They are continuous loop, lubricated with graphite, with cue tones on the non-audio tracks. The graphite shed onto the playback head so you had to clean the heads every couple of shifts at

Re: Anyone interested in old (PDP-8 driven) Radio Automation hardware?

On 12/9/15 6:24 AM, Mike Boyle wrote: Do you have photos? They look just like a Lear 4-track tape, with the hole for the capstan to pop up into.

Re: Anyone interested in old (PDP-8 driven) Radio Automation hardware?

At 11:53 PM 12/8/2015, wulfman wrote: >The "carts" were 4 track tapes. They were not. They were either 2 track for mono or 3 track for stereo, and they were physically different from, and not interchangeable with, consumer tape cartridges. Radio carts were introduced in, IIRC, the early 1960s

Re: Anyone interested in old (PDP-8 driven) Radio Automation hardware?

Before one opens ones mouth its best to become informed. https://en.wikipedia.org/wiki/Fidelipac yes we had 4 track nab carts On 12/9/2015 7:24 AM, Mike Boyle wrote: > Do you have photos? > > On Wed, Dec 9, 2015 at 9:18 AM, Dale H. Cook wrote: > >> At 11:53 PM 12/8/2015,

Re: Anyone interested in old (PDP-8 driven) Radio Automation hardware?

Do you have photos? On Wed, Dec 9, 2015 at 9:18 AM, Dale H. Cook wrote: > At 11:53 PM 12/8/2015, wulfman wrote: > > >The "carts" were 4 track tapes. > > They were not. They were either 2 track for mono or 3 track for stereo, > and they were physically different from, and not

Re: Anyone interested in old (PDP-8 driven) Radio Automation hardware?

On 12/9/15 6:24 AM, Mike Boyle wrote: Do you have photos? http://www.jimprice.com/prosound/carts.htm or do a google image search for "broadcast cart" I had forgotten the top of the cart was often clear

Re: Anyone interested in old (PDP-8 driven) Radio Automation hardware?

At 09:24 AM 12/9/2015, Mike Boyle wrote: >Do you have photos? I don't need photos - I worked with carts from the time I entered radio (1969) until the last of my clients abandoned them several years ago. I have installed, maintained and repaired hundreds of cart machines in the course of my

Re: Anyone interested in old (PDP-8 driven) Radio Automation hardware?

At 10:05 AM 12/9/2015, wulfman wrote: >Before one opens ones mouth its best to become informed. I have nearly forty years of experience as a radio station chief engineer, and began doing radio engineering in college in 1969. >https://en.wikipedia.org/wiki/Fidelipac > >yes we had 4 track nab

Re: Anyone interested in old (PDP-8 driven) Radio Automation hardware?

At 09:54 AM 12/9/2015, Al Kossow wrote: >The systems I'm familiar with were made by Gates (not Bill) in the early 70s. The Gates cart machines were rebranded ATC machines. ATC was a progenitor of ITC, one of the foremost of the cart machine manufacturers. I worked with ATC machines and the

Re: Anyone interested in old (PDP-8 driven) Radio Automation hardware?

our phx station had an 8E with one backplane in it and a single diablo hard drive. would be great to buy one of these for the museum . Ed# _www.smecc.org_ (http://www.smecc.org) In a message dated 12/9/2015 7:19:06 A.M. US Mountain Standard Time, radiot...@juno.com writes: At

Re: Anyone interested in old (PDP-8 driven) Radio Automation hardware?

opps, that was supposed to be off listsorry. On Tue, Dec 8, 2015 at 9:56 PM, Josh Dersch wrote: > Hi all -- > > I have recently acquired a PDP-8/m system that was used to drive a radio > automation rig (very very similar to this: > http://www.bowkera.com/kcbs1.htm > ).

Anyone interested in old (PDP-8 driven) Radio Automation hardware?

Hi all -- I have recently acquired a PDP-8/m system that was used to drive a radio automation rig (very very similar to this: http://www.bowkera.com/kcbs1.htm ). My understanding is that this system hooked to banks of what were essentially 8-track tape drives, each of which held a short loop of

Re: Anyone interested in old (PDP-8 driven) Radio Automation hardware?

Hi Josh, Can you call me about this? Thanks, Paul 217 766 7690 On Tue, Dec 8, 2015 at 9:56 PM, Josh Dersch wrote: > Hi all -- > > I have recently acquired a PDP-8/m system that was used to drive a radio > automation rig (very very similar to this: >

Re: Anyone interested in old (PDP-8 driven) Radio Automation hardware?

The "carts" were 4 track tapes. it was a popular radio station automation system back in the old days. The first radio station i engineered at used them and i was QUICK to convert them to a computer based automation system way ahead of most other stations. On 12/8/2015 8:56 PM, Josh Dersch

Re: Anyone interested in old (PDP-8 driven) Radio Automation hardware?

since we collect broadcast gear for radio and TV we would like to buy this depending on where it is located. are there any tapes too??? we are VERY INTERESTED!! thanks ed sharpe archivist for smecc. In a message dated 12/8/2015 9:54:10 P.M. US Mountain Standard Time,