[Premium-Rx] Receiver Selection

Fri Dec 17 21:01:46 EST 2004

only one choice..   tenTec  RX-340     it's friendly enough to support these 
situations..  esp. 232 ..  mac/mc

Located 46 miles due North of the Alamo, and 121 miles due South of the 
Western White House.   see my website at  www.collinsandharrisradios.com
----- Original Message ----- 
From: "w3jn" <w3jn at direcway.com>
To: "Kevin" <kgreene at echo.cellmail.com>; "Premium Receiver" 
<premium-rx at ml.skirrow.org>
Sent: Friday, December 17, 2004 7:33 PM
Subject: Re: [Premium-Rx] Receiver Selection

> The Collins 95S would be an ideal receiver for this application.  Small, 
> easy on the power, and good stability/freq resolution.  I believe you can 
> buy them in a VXI package as well if you're planning on installing 8 of 
> them at one location.
>
> I don;'t know how much they cost now, but 10 years ago they were about $4K 
> each - a steal back then.
>
> 73 John
>
> ----- Original Message ----- 
> From: "Kevin" <kgreene at echo.cellmail.com>
> To: "Premium Receiver" <premium-rx at ml.skirrow.org>
> Sent: Friday, December 17, 2004 4:24 PM
> Subject: Re: [Premium-Rx] Receiver Selection
>
>
>> Hi Eugene:
>>
>> Once we get funding, I will create a website - good idea actually. It 
>> will need
>> to be password protected but I will share it with the list.
>>
>> Thanks for your mail.
>>
>> Kevin
>>
>> "Eugene Hertz" wrote at 10:10 pm on Fri, Dec 17 2004:
>>>sounds like a really cool and interesting project. I have the harris 
>>>rf-590H
>>>and it is a great radio. Frequency resolution is actually 1Hz ! Very 
>>>stable I
>>>think something like 10^-8 per year or something rediculous. Its really
>>>incredibly stable. It has up to 100 channels and can scan them. Radio has 
>>>ISB
>>>but I dont know if your application will need that. Would love to learn 
>>>more
>>>about this project. Do you plan to create website to document it? sounds 
>>>like
>>>fun
>>>Eugene
>>>
>>>>-----Original Message-----
>>>>From: Kevin [mailto:kgreene at echo.cellmail.com]
>>>>Sent: Friday, December 17, 2004 03:43 PM
>>>>To: 'Premium Receiver'
>>>>Subject: [Premium-Rx] Receiver Selection
>>>>
>>>>Hello to the list:
>>>>
>>>>I am working on a potential project where our organization will be 
>>>>providing HF
>>>>communication to a number of remote users. The primary mode will be data
>>>>(PACTOR and CLOVER with limited SITOR) and a limited amount of voice 
>>>>traffic.
>>>>We are also looking at a limited amount of digital voice and narrow 
>>>>bandwidth
>>>>imaging but this is more for the future.
>>>>
>>>>The concern I have is in several areas:
>>>>
>>>>1. Frequency stability within +/- 10 hz (or better)
>>>>2. Receive filter capabilities - need to support PACTOR III, CLOVER 
>>>>2000, 188-114B, etc
>>>>3. Power can be 220 VAC or 24 DC
>>>>4. Receiver overload protection
>>>>5. Full remote control using RS-232/422 interface
>>>>
>>>>We are considering the use of high quality antennas with broad bandwidth 
>>>>and
>>>>low noise (considering the 8 element HERMES loop system). The receive 
>>>>site will
>>>>be a remote location - hopefully miles/km from power lines and roads 
>>>>with a
>>>>microwave backhaul to a nearby cellsite to be then linked using our 
>>>>fiber
>>>>network to our main control facility. We expect that the receive site 
>>>>will need
>>>>to support 8 RF channels (max).
>>>>
>>>>I am looking at three different high performance receivers. The
>>>>Rockwell-Collins RT-2200, Harris R-590A, and the Cubic 2000 series. I 
>>>>have also
>>>>looked at the use of the ICOM receivers (R-8500) but I question its 
>>>>stability
>>>>(per its web site information). I would welcome suggestions for other 
>>>>vendors
>>>>to consider.
>>>>
>>>>While price does come into play, it is not a critical decision factor. 
>>>>We are
>>>>more concerned that the financial investment we put into this project 
>>>>will
>>>>provide a very high quality system to the end users. As the path lenght 
>>>>will be
>>>>long (>4,000 km), we are concerned that the quality we design into the 
>>>>system
>>>>will play a key role in its success.
>>>>
>>>>Thanks for your help. I am sorry I can not give more information but we 
>>>>are
>>>>still in the internal proposal stage and do not wish to give out too 
>>>>much
>>>>information at this time. If we get funding, I will provide more
>>>>information.
>>>>
>>>>Cheers.
>>>>
>>>>Kevin
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>Premium-Rx Mailing List
>>>>To Post: premium-rx at ml.skirrow.org
>>>>For Info: http://ml.islandnet.com/mailman/listinfo/premium-rx
>>>>Visit the Website: http://kahuna.sdsu.edu/~mechtron/PremRxPage/
>>>>
>>>
>>>
>>
>>
>>
>> _______________________________________________
>>
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>> Visit the Website: http://kahuna.sdsu.edu/~mechtron/PremRxPage/
>
>
> _______________________________________________
>
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> Visit the Website: http://kahuna.sdsu.edu/~mechtron/PremRxPage/
> 