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Author Topic: Is there a CW transceiver kit for 160 meters?  (Read 4507 times)
HS0ZIB
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Posts: 404




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« on: August 05, 2011, 03:48:51 AM »

I enjoy QRP, and have a couple of Small Wonder Labs PSK rigs, as well as a 20 meter band Rockmite.

I would like to try some top band DXing from my car when it's parked up at the beach - run a beverage or similar out over the sands Smiley

But I prefer to use something more portable than my TS-850S

Is there a CW transceiver kit available for top band?  I don't think Rockmites are available for 160

Any other suggestions?  This would be for CW only, no SSB.

Thanks

Simon
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WB6BYU
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Posts: 12983




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« Reply #1 on: August 05, 2011, 09:24:39 AM »

The SW40+ series of rigs from Small Wonder Labs could be easily converted to 160m if they don't
already offer a kit for that band.

I don't remember whether CW on Top Band typically operates split or not - if so you'll need something
with RIT (which can be added to the SW40+ kits.)

And if you are using the Beverage on receive, you may need a receive preamp, and certainly a separate
vertically-polarized transmitting antenna.  (A quarter wave wire supported by a kit might work.)  You
should be able to modify the rig to use an optional separate receive antenna.
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KA5N
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Posts: 4380




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« Reply #2 on: August 05, 2011, 09:53:43 AM »

How about an Elecraft K2?  Fine CW rig.  Of course it has other bands and you have to buy the 160 meter  module separately.  Receive current draw is very low and with  adjustable power 0 to 10 watts reasonable transmit current draw.   It is definately NOT a toy.

Allen
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KC8QVO
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Posts: 62




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« Reply #3 on: August 06, 2011, 04:09:51 PM »

I will second the Elecraft K2 suggestion. You can't beat this radio. It is a quite elaborate kit but it is a wonderful radio. Mine is QRP CW only 160-10m right now. I have the SSB kit half way done, but its been sitting on the workbench for a year now. If I get some time and energy I'll get back to it.
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K4KRW
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Posts: 98




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« Reply #4 on: August 07, 2011, 01:08:24 PM »

Steve,

There is a 160 meter band module for the Wilderness Radio Sierra.  I just finished building a Sierra for myself.  I have not built the 160 meter band module, so I cannot tell you how well it works.  But, the radio is very nice on 40 meters.  I'm getting ready to start my second band module right now (20 meters).

73,

Richard - K4KRW
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HS0ZIB
Member

Posts: 404




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« Reply #5 on: August 07, 2011, 06:12:41 PM »

I wasn't aware that the Sierra had a top band option - but it certainly does, according to the web-site!

I've emailed them for more details - this certainly looks like a good choice

Simon
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VE2EQL
Member

Posts: 13




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« Reply #6 on: August 13, 2011, 05:18:14 AM »

Check out Walford Electronics in the UK.

They have kits for 80 and 160 M.
John VE2EQL
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KL7CW
Member

Posts: 46




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« Reply #7 on: September 05, 2011, 11:52:34 AM »

Simon,
   I believe there is a published modification of the Elecraft K1 for 160 meters.  It is very possible to make QRP contacts on 160 meter CW at distances well over 3000 KM.  On 80 - 10 meters OFTEN 1 watt works about as good as a full 5 watts, however on 160 meters I think it is worth trying to get a rig which puts out close to a full 5 watts.  Sometimes I cannot make QRP QSO's on 160 in the evening when the band has many good signals.  However sometimes the band improves even more after approximately midnight and now distant stations can hear my weak signals above the noise.  In contests I often go down the band and call the very strong competitive run stations on 160 meters.  They tend to have good receive antennas and pull my signal out of the noise.  Often I can call an average station many times and they never hear me......so I think they do not have separate low noise receive antennas.  I have not yet bothered putting up a separate rx antenna, since I can hear much better with my vertical, than I can be heard when I run QRP on 160. However, I live in a very quiet rural area of Alaska.
    Have fun.....QRP does work on 160      Rick  KL7CW   Palmer,  Alaska
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