[MRCG] [MMRCG] Teletype paper
Jim Falls
radio-tuber at att.net
Thu Mar 14 17:22:58 EDT 2019
I’m ready to roll. Probably run NVIS dipole/OCFD until I get an intermittent in my homebrew vertical figured out. It started acting up during/after last months wind and rain.
Cheers!
Jim K6FWT
> On Mar 14, 2019, at 10:58, Tim <timsamm at gmail.com> wrote:
>
> Hi Guys - The Clatternet out here on the left coast is currently on "warm
> standby" but I can come up on fairly short notice.
> I'm running a PRC-47 with the CV-2455 RATT converter. Unfortunately no
> mechanical terminal here so I have to use an ancient DOS laptop as a glass
> terminal (horrors...). We ran the weekly net for several years, usually on
> 3587 but 7087 and 10137 also work pending propagation.
>
> We've worked Jim, W6JVE several times from Arkansas so a hop to the east
> coast should be OK, on 40 or 30 meters.
>
> Signal is the usual 850 cps shift, space high. Other details here:
> http://www.mrcgwest.org/mrcg-radio-nets/
>
> If you want to try, shoot me an EMail to coordinate a test...
>
> 73, Tim
> N6CC
>
>> On Thu, Mar 14, 2019 at 8:57 AM Nick K4NYW <navy.radio at gmail.com> wrote:
>>
>> Keep it stock, Ray. We will round up some 850 shifters on the air.
>> My Dovetron can copy 170 and retransmit 850 I think - the AFSK output is
>> set with a couple of pots.
>> Or find some friendly software as Eugene says.
>> Nick England K4NYW
>> www.navy-radio.com
>>
>>
>> On Thu, Mar 14, 2019 at 11:23 AM Ray Fantini <RAFANTINI at salisbury.edu>
>> wrote:
>>
>>> Spent a little time reading the manual for the MD-522A and it looks like
>>> the base modem is designed around being a 85 Hz shift system and the 850 Hz
>>> section uses a complex mixing system to convert the signal down to that
>>> mode. Hard enough to figure out what or how it works in the first place,
>>> not to take into account how to modify it. But I am open to suggestions.
>>> Part of the idea was to try to keep with the same vintage equipment as
>>> the 106 but can see the advantage of going with something like one of them
>>> Dovetrons that were everywhere a couple years back
>>>
>>> Ray F/KA3EKH
>>>
>>> -----Original Message-----
>>> From: MMRCG at groups.io [mailto:MMRCG at groups.io] On Behalf Of Bob W9RAN
>>> via Groups.Io
>>> Sent: Thursday, March 14, 2019 11:13 AM
>>> To: MMRCG at groups.io
>>> Subject: Re: [MMRCG] Teletype paper
>>>
>>>> On 3/14/2019 8:37 AM, Ray Fantini wrote:
>>>> Maybe we can do a primitive RAT net on 40 with 850 Hz shift just for
>>>> the military dinosaurs?
>>>
>>> Just spitballing here, but it would seem feasible to make a "shift
>>> converter" that would translate the 170 Hz shift tones into 850 Hz shift
>>> tones.
>>>
>>> 73, Bob W9RAN
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>> _._,_._,_
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