[MRCA] Teletype paper

[B. Smith]

   And yet another brain fart, take a signal generator and pick a center 
frequency and slowly sweep up and down to check the limits of the "X" 
display.
Z

On 3/14/2019 12:09 PM, B. Smith wrote:
> ARRL uses 170 cycle shift at 45 baud (60 WPM). I assume that since you 
> are using your MD-522 in a "850" cycle mode you are required to 
> straddle tune the signal. My guess is if you are exactly centered on 
> the signal with equal space and mark then since the display depends on 
> the mark and space filters then  the mark and space frequency is out 
> of the pass band and you will not get a decent "X" display. Solution 
> is modify the modem or use the audio output for a add on display. 
> Perhaps Another solution is just copy mark or space only. You will 
> probably have to modify the modem anyway for transmitting 170 cycle 
> shift? I would join the Green Keys list and post some questions there.
> Z
> You can do a search for 8.5 inch "roll" paper.
>
>
> On 3/14/2019 9:02 AM, Ray Fantini wrote:
>>
>> Inching closer and closer to having the UGC-74 and MD-522 up and 
>> running. Have paired them with a Harris RF-350K in the shack right 
>> now and after I get this all working will be looking at building up 
>> cables for use with the mutt and the GRC-106.
>>
>> The two new problems is that I have been having a hell of a time 
>> trying to copy the ARRL bulletins in that I can pick them up but just 
>> can’t seem to get the correct tuning display when doing that. This is 
>> with using the 850Hz mode. The other issue is I just ran out of paper 
>> last night and need a roll of teletype paper and wanted to know if 
>> anyone had a roll or two they can spare.
>>
>> Ray F/KA3EKH
>>
>>
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