[HCARC] teletype

[Fred]

In the marine world we used LORAN back in the old days.  Operated close to 
the 160 meter band, in fact the hams had restrictions in that band because 
of the LORAN system.


----- Original Message ----- 
From: "Kd5wdq" <kd5wdq at gmail.com>
To: "Harvey N. Vordenbaum" <tower2 at stx.rr.com>
Cc: <ccrobins at ktc.com>; <hcarc at mailman.qth.net>
Sent: Friday, January 31, 2014 11:39 AM
Subject: Re: [HCARC] teletype


> The "Omega" system.
>
> --eddie
>
> Sent from my iPhone
>
>> On Jan 31, 2014, at 11:11 AM, "Harvey N. Vordenbaum" <tower2 at stx.rr.com> 
>> wrote:
>>
>> No, it wasn't that.  It wasn't just for maritime navigation.
>> I think it was on VLF with transmitters scattered around producing
>> criss-crossing "lanes" of directional signals.  Position was determined 
>> by
>> measuring timing between lane crossings, so it was pretty slow.
>>
>> Hv
>>
>>
>> -----Original Message-----
>> From: Gary J - N5BAA [mailto:qltfnish at omniglobal.net]
>> Sent: Friday, January 31, 2014 10:28 AM
>> To: Harvey N. Vordenbaum; ccrobins at ktc.com; hcarc at mailman.qth.net
>> Subject: Re: [HCARC] teletype
>>
>> Loran or Loran C???
>>
>>
>> Gary J
>> N5BAA
>> HCARC Secretary 2013/14
>>
>> -----Original Message-----
>> From: Harvey N. Vordenbaum
>> Sent: Friday, January 31, 2014 6:59 AM
>> To: ccrobins at ktc.com ; hcarc at mailman.qth.net
>> Subject: Re: [HCARC] teletype
>>
>> Did you use that old navigation system that could only resolve positions
>> down to 6 miles?  I forget what it was called.  It was used by NCAR on 
>> the
>> balloon flights >40 years ago.
>> Hv
>>
>>
>> -----Original Message-----
>> From: hcarc-bounces at mailman.qth.net 
>> [mailto:hcarc-bounces at mailman.qth.net]
>> On Behalf Of Charley & Peggy Robinson
>> Sent: Thursday, January 30, 2014 9:02 PM
>> To: hcarc at mailman.qth.net
>> Subject: [HCARC] teletype
>>
>> We used ASR-35 TTYs for interfaces to our HP-2116 computers, which
>> controlled our first computer-controlled data acquisition systems.
>> Entered source programs through the keyboard or with paper tape via the
>> mechanical tape reader.  The 35 also had a tape punch on it. Slow as the
>> devil.  We sure were happy when we got the optical reader/punch machines!
>>
>> Charley af5ao
>>
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