[K3CAL] update. This is what's going on with the repeaters right now

Mon Jun 18 20:01:15 EDT 2018

Chuck, 
No problem. If Arcom’s program works with virtual w, best to use your own computer. 
Since I have never seen their program, not sure how it functions.
I have tried RTsystems programs on virtual windows, they work, but since they did programs for Mac, its much faster, less errors.
Take care thanks for your help.
Sent from my iPad, 
Best Regards,
Jim Tetlow
jimtetlow1007 at comcast.net

> On Jun 18, 2018, at 7:19 PM, Chuck Shefflette <cshefflette at me.com> wrote:
> 
> Jim,
> 
> Thanks for the offer. I prefer using a virtual copy of Windows to having separate laptop. That is how I function at work so I’m quite comfortable using it that way. I’m working on getting the key from Arcom so I can install and run the controller software here.
> 
> I’ll keep you in mind just in case.
> 
> Thanks,
> Chuck
> 
> Engineer:  "If it ain't broke I haven't messed with it enough yet."
> 
>> On 18 Jun 2018, at 14:03, James Tetlow <k3uga at comcast.net> wrote:
>> 
>> Dave, Chuck,
>> 
>> I would be glad to lend a windows laptop to Chuck for programing the controllers. 
>> That way he wont have to use his MAC with virtual windows. 
>> Let me know.
>> 
>> Sent from my iPad,
>> Best Regards,
>> Jim Tetlow
>> jimtetlow1007 at comcast.net
>> 
>> 
>> 
>>> On Jun 18, 2018, at 1:55 PM, David Weaver <W3PQS at comcast.net> wrote:
>>> 
>>> Hello all, here some information on what's going on with the Yaesu repeaters. There is progress as you can see from the info that Chuck is sent out
>>> for us all to read. He's asking for help if anybody knows how the controllers are currently programmed that would be helpful. Also, if you have any information on the configuration of equipment that was purchased. That would be helpful. Chuck has all the manuals and books that were provided to me.
>>> Glad to see the Motorola repeater is holding up and working. We need to do a little work on the duplexer's. Remember, they are very old and they keep on working. Just a thought. Someday Cara should think about replacing them with new ones. You probably sell the old ones to help recruit some of the offset $.
>>> 73s
>>> David W3PQS
>>>  
>>> Do we have any documentation that shows how the controllers are currently configured? That would be helpful.
>>>  
>>> A quick update. I’ve had a chance to take a quick look at both repeaters, with and without the controllers. I’ve done a very rough sensitivity measurement using the old standby of 20dB FM quieting as the usable receiver sensitivity since I don’t have a SINAD meter and 20dB quieting is roughly equivalent to 12dB SINAD in practical use. Yaesu specifies the DR-1X sensitivity at 0.2 µV (approx -121 dBm) with 12 dB SINAD in analog mode. My quick measurement indicates that they are both at or near the -121 dBm level with 20dB quieting. I will do a better measurement but just haven’t had a chance yet. I also plan to test both repeaters for usable signal sensitivity as well - modulated signal, looking at distortion with an audio spectrum analyzer to see when we get about 10dB of usable single tone and two-tone signal above the noise floor.
>>>  
>>> The controllers seem to be working and properly decode the 156.7 tone - although I was really faking it - and trigger the transmitter in FM mode. I do have a good low frequency generator that I can use to generate a summed signal with both a test tone and the 156.7 for signal measurements, as well as just the 156.7 tone for quieting measurements with PL. Now that I have the digital HT, I can also run the same tests in digital mode.
>>>  
>>> I haven’t tried to get the Arcom software, I’ve had too many other things going on, and I have to figure out where I’m going to run it since I’ll have to crank up a Windows VM on whatever machine I decide to use. From what I can tell, I could manually do the programming, but that would be tedious at best.
>>>  
>>>  
>>> Chuck
>>> -----
>>> “There are 10 types of people in this world: those who understand binary and those who don't.” -- Unknown
>>>  
>>>  
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