ND2E

Ham Radio-When All Else Fails.

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K3 Build

The build is proceeding as quickly as I can set aside the time. Today I finished the physical build of the K3 and have started on an Elecraft W1 Watt/SWR meter for general use and to calibrate the K3. Once that is done I will do the K3 calibration and start building the Power Amp.

I had a few questions that should have been answered in the manual, they were answered quickly by the Elecraft staff. In addition, I have several comments on how to improve the already good manual and will forward them to Elecraft when I complete the rig.

 

Station Equipment Rework

I have sold both of my HF tranceivers and am considering selling other "valuable" ham equipment such as a Versa Tuner, 70 CM Ringo, Nomic, and other stuff. Most likely I will tailgate my excess at the 2010 Gray Hamfest.

I have started building the replacement tranceiver, an Elecraft K3. I am several hours into the build and the rig is coming together nicely. The manual is on par with the best of the old Heathkit construction manuals.

 

 

Signalink USB

The Signalink USB came in the mail yesterday so I took it and a couple of other soundcard interfaces to the Kingsport club meeting where I was giving a presentation on Digital Modes in ham radio. The presentation went well until I got to the keying schematic where I had an error in the grounds. I will work on that later today so the presentation is corrected.

Today I installed the Signalink ... no problems were experienced, I followed their directions for jumpering. Nothing unusual there. Neat thing is each radio cable comes with a jumper diagram so you don't have to look it up on the web. The box also had the hex key that is neeed to disassemble the box so you can install the jumpers. That is a nice touch.

I put it on the air after a couple of adjustment in HRD/DM780 v5 Beta and to the computer. You need to assign the new interface in HRD and make sure that Microsoft hasn't assigned the new soundcard as the default soundcard.

PTT setting is straight forward. adjust the HRD soundcard TX level until the Signalink keys then, adjust the Tx level adjustment on the Signalink for proper ALC action, (Don't forget to make sure the SWR is low so as not to affect the ALC.)

After two QSOs into Arizona with good quality comments I shut down for lunch and updates to the blog and web site.

So at this point I think the Signalink USB is a quality unit and can see why many of my friends have bought it.

Cio/73 de ND2E, Joe

 

40 Meter NVIS

I finally put the hamstick dipole on the air. It is configured as an NVIS since it is abut 12 feet above the ground. It tunes well on 40 meters PSK (both 7.035 and 7.080). Hopefully, I will get a chance to use it in the evening when 20 is dead.
 

Bad Soundcard Revisited

Well, it isn't a bad soundcard-just needed to reinstall the software. So now I have to make a decision...do I reinstall the audio lashup to get back on the air or do I wait for the Signalink USB to arrive before I set things up again?

 
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