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TX on 136 Khz
My Flex 6400 will TX out of the XVTA port at 0 dbm on 476 Khz.
However, on 136 Khz it is blocked.
Is it possible to get a turf file that will allow TX on 136 Khz?
VK6AKT
Best Answer
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I thought I would let those interested in this post that I did submit a help desk ticket and the answer I got from Tim Ellison was (TURF files are only applicable to the operation of the PA and not the transverter port. The DAC in the FLEX-6000 is not capable of transmitting at that low of a frequency.).
So, help desk was a waste of time.
However, after further investigation I noticed that I had the PTT inhibit box ticked in the band settings.
Once I enabled the PTT on 2200m my Flex 6400 does transmit at 0 dbm out of the XVTR port, more than enough to drive a custom built Fet PA for 136Khz.
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Answers
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Hmmmm... Are you sure you have the XVTR output (red) selected on your slice? (Just asking as this is a mistake I make ALL the time :-))
Also, have you selected CW as output mode? SSB might be too wide for the available bandwidth... Here in Canada we're only allowed 135.7 to 137.8 and phone is not allowed.
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Hi Don
Thank you for your suggestions unfortunately I have XVTR selected, and bandwidth is correct.
I use the same settings on 476 Khz to drive a 200W Fet amplifier and that works fine. VK6 to KH6 on WSPR
It looks as though I will have to contact Support and see if they will supply me with a Turf file that will enable 136 Khz TX on my Flex.
73
Ken
VK6AKT
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