[TenTec] N4PY's software and the tt 340

[Bill Taylor(W4WBT)]

I really can't tell you about all the specifications as I have not 
had time to look at it that much. I will say that the 331 and the 340 
are different in a lot of ways. Carl has tested the 331 in high 
signal areas and seems to think it is great. The physical layout of 
the two units are difference and that could make a difference if 
there is any. I am real pleased with the human interface of the 340 
but sort of liked the mechanical layout of the 331 better. The 320 is 
not even close to being the same radio so i don't think there is a 
comparison there. I have a watkins-johnson receiver with the 
preselector but that is only band preselection so it does not help in 
close in signals. The WJ shuts itself down if it sees more than a 
watt or so of incoming power to save the front end. the audio quality 
and the filter quality of the tt is much better than the WJ. The WJ 
was discontinued some time ago so it has not had a software update in 
a few years. The 331 is sort of frozen at its present software 
because it is under government contract and they buy bunches. I 
suspect there may be a 331 update sometime however if requested byt 
customers(big ones). The 340 on the other hand continues to evolve 
and has some additional features that have never been put in the 
331(a few: squelch on on modes.independant sideband on SAM, and other 
software updates). I will keep everyone informed.
Bill taylor
W4WBT


>Hello Bill,
>
>I can not help you with your question on N4PY software but would like to
>ask you how you like the 340 receiver???
>
>I had considered purchase of one of these but was put off by a review
>that I read.  The review claimed that T-Ts dynamic range rating is the
>result of some unusual test configuration and that this receiver has
>some serious problems (IMD) with strong adjacent signals.
>
>How is the performance on VLF?  My 320 receiver goes deaf below the BCST
>band.  How about birdies, images, digital noise etc.? (My Omni VI+ is
>full of birdies).
>
>Thanks for any info you can share.
>
>73,
>Bill - K6WLM
>
>"Bill Taylor(W4WBT)" wrote:
>>
>>  I decided to trade in the 331 receiver for the 340. there were
>>  several reasons and none had to do with performance. however, I can
>>  no longer communicate to the 340 with my software and cable. anyone
>>  doing this and can give me the S1.S2 settings. the only change was
>>  that I set the S2 for no multidrop and reset the baud rate to 19.2
>>  per carl's suggestions. The higher baud rate does not work either.
>>  Any suggestions??
>>  Bill Taylor
>>
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