Posts Tagged ‘Operating Digital’
One step closer to going digital!
| The digi setup |
| Discovery soldered jumpers |
| IC socket cleaned up, wires removed |
Shifting the focus…….
There has been a big change here since our move with regards to ham radio. Antenna challenges, finding a spot for the radio, having the setup "eye friendly" to non hams who visit. The antenna challenge seems to be solved with the MFJ 1788 loop antenna. There are still some hick ups with it, for example not being able to tune 20m below a 9.1 to 1 SWR. I have spoken with MFJ and they have given me some great ideas to try with the loop. (more on that as I venture into the loop's insides) The setup was solved with a great roll top desk all is hidden away and protected with a very fashionable piece of furniture. Now it's time to look at expanding my radio operations beyond CW but still very much not forgetting about CW it will still be a large part of my operating. CW is perfect for low power and simple antenna operating. BUT also with my new antenna it has a narrow bandwidth and needs to be returned as you move up or down the band. With practice the loop can be retuned very fast. I was wanting now to add a mode that would favour the loops narrow band width. The digital world came to mind.
The last time I was in digi land PSK31 was the ground breaking mode and I have come to understand by many of the blogs I read there are some new modes in town!! PSK is still around but it too has changed. There is also now SIM31 and 63, JT65, Olivia and the list goes on, I have been out of digital for some time now and am not sure what all is out there. What I am looking for is something that uses a narrow bandwidth, (most digi modes do) only requiring low power, would be great to have a "conversation mode" and not signal reports and goodbye and not a mode that takes forever for exchanges as I have heard about some digi modes. Having said all that one thing I can remember about the digi modes is they can be lot of "fun" to setup with your rig and PC! BUT that is all part of the fun I guess. So you digi fans out there help me out with some suggestions as to an HF low power narrow bandwidth digi mode I can scramble my brains with. Oh and if it helps the bands I have available are 10-40m and the rigs I have are the Elecraft K3 and KX3.
The last time I was in digi land PSK31 was the ground breaking mode and I have come to understand by many of the blogs I read there are some new modes in town!! PSK is still around but it too has changed. There is also now SIM31 and 63, JT65, Olivia and the list goes on, I have been out of digital for some time now and am not sure what all is out there. What I am looking for is something that uses a narrow bandwidth, (most digi modes do) only requiring low power, would be great to have a "conversation mode" and not signal reports and goodbye and not a mode that takes forever for exchanges as I have heard about some digi modes. Having said all that one thing I can remember about the digi modes is they can be lot of "fun" to setup with your rig and PC! BUT that is all part of the fun I guess. So you digi fans out there help me out with some suggestions as to an HF low power narrow bandwidth digi mode I can scramble my brains with. Oh and if it helps the bands I have available are 10-40m and the rigs I have are the Elecraft K3 and KX3.
PSK is up and running….for real this time!!
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| 1st PSK QSO with K5ZG |
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| fldigi and KI4BIY |
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| My PSK reports with 5 watts |
PSK31 up and running…….
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| Giving PSK a go |
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| Action on the band |
is not getting out. I do see on my LP-100 watt meter there is 5 watts getting to the antenna but whether it is readable or not I am not sure. Besides I am still getting the hang of PSKreporter as well so it could be operator error at this end. Also today I was involved in the NAQP CW contest but am now just taking a bit of a break. I was calling CQ on 40m CW a short time ago and KC9SNC came back to me. Our QSO was going well and the CW speed was very comfortable for me.......then came the contester's right over our QSO!!! Now they may not have heard us as I was QRP at 5 watts but that brought the QSO to an end. I did email Matt and gave him some more info about my station and that we may have better luck next time. So up to this point I have not been able to make a PSK contact maybe I will give Fldigi a go on Sunday and see if I can bag my first PSK QSO. It's now time to head back to the NAQP CW contest......and try not to QRM anyone who is not involved in the contest!!!
Setting up digital modes or going to the dentist what’s better…….
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| HRD DM-780 |
software. I was not disappointed.... figuring out the com port, stop bits, CAT settings,
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| Kcomm with fldigi |
handshake or not....and the list goes on was a challenge. Then there is the sound card setup and settings!! Some of the troubles I ran into were.....not being able to get the K3 to key up when the software said it should. After overcoming that the K3 had no problem keying up but then would not un-key at the end of the macro!!! After solving those two hurdles I then had troubles getting the 5 watts output I wanted to have. It turned out to be a jungle of sound card tuning and radio tweaking. I was not sure how I did it but I am now able to have a solid 5 watts out on all bands and simply adjust the K3's power control if I want to increase the power. I won't try to figure out what I did as when I do for some reason I un-configure the configured. The software I decided to stick with was DM-780. Kcomm is great and works well with the
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| fldigi with flr |
An afternoon of frustration………
| Finally some snow for Christmas...... |
paddle with magnetic return. I played with the adjustments some time ago without testing it....thus the strange behavior of the key. It was time to adjust the key and on the Elecraft K3 you can put the rig into test mode. This way you can adjust the keyer with out transmitting on the air. After adjusting the key it was time to do some WSPR and maybe some PSK31. I wanted to see how the bands were doing so it was WSPR first. I have a sheet of paper on how to set up the radio for WSPR. (soon I am going to make up a macro so setup is just a push of a button on the K3) Well for some reason I was not transmitting a signal!! I checked and rechecked the settings of both the computer, K3 and sound card. All seemed to be good but still no signal so it was off to PSK31. I was able to decode signals on 20 meters and it seemed pretty active. After setting up things for PSK31 I again had no transmit !!!! I tried a little of this and some of that but nothing. Now I was muttering to myself how much a pain in the @#$& the digi modes were. Well it was back to good old CW and they can stick the digi modes for now. Back to CW and about 2 hours wasted playing with the silly digital modes I keyed my trusty Begali key.....NOTHING....I was not transmitting!!! Then it hit me the dam K3 was still in test mode from me adjusting the keyer!!! Sometimes these added features can be a real pain. Next time I will just switch to the dummy load and transmit into that........ like the old days.
Signalink = fantastic…getting it to work….frustrating
This week has been dedicated to setting up for the CQ WW DX CW contest this weekend. Making sure the contest logger works (N1MM), try out the CW macros along with the K3, test out the antenna on all the bands and finally make up some goals. I find by doing some prep work before the contest Murphy does not rear his head as often during the contest. Early last week my Tigertronics Signalink USB came in and it was my ticket to get into the digital world. Years ago I had a Yaesu FT-1000MP MKV I had the Rigblaster Pro along side it. I dabbled in PSK and was into RTTY contesting at that time. I had hopes of setting things up and getting on the surf board of Digital communications last weekend. Well that dream was short lived, the memories came back of sound card setup, adjusting the ALC level and basically getting everything just right for the digital engine to purrrr. Over the weekend the setup was not purrrring at all it was more of a hisssssss. The connections between my K3 and Signalink were smooth going. The PC recognized the on board sound card in the Signalink. At first I ran into some trouble setting up the CAT connection between the K3 and software (Ham radio delux's digital master 780) I was able to decode PSK signals with Digital Master, in transmit with the K3 set at 100 watts I was able to use the TX control on the Signalink to raise the output power to what I wanted (5 watts). The unresolved problem is I am not able to get any ALC reading on the K3. I know the ALC is very important to a clean signal. I have given up trying to solve this problem at this time. I am as I said concentrating on the CQ WW DX CW contest.





















