KX1 low output modification candidate, part II.
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New measurements:
Power Supply 13,8 V: 3.7 W @ 80m, 800mA. 1.8 W @ 40m, 500 mA 1.8 W @ 30m, 510 mA 0.8 W @ 20m, 380 mA Power supply 10 V: 2.2 W @ 80m, 680 mA 1.2 W @ 40m, 400 mA 1.2 W @ 30m, 400 mA 0.5 W @ 20m, 300 mA Power supply 10 V: 1.6 W @ 80m, 600 mA 0.8 W @ 40m, 350 mA 0.8 W @ 30m, 350 mA 0.8 W @ 20m, 280 mA There's two things I'm interested in: 1) Leaving out the results for 80m, is this KX1 a candidate for the Power Mod? 2) See next e-mail (to keep the subject on topic) Bart de PA3GYU _______________________________________________ Elecraft mailing list Post to: [hidden email] You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com |
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Hi all,
Well, I had a good Field Day experience this year. Not QRP, but at least it was CW and involved my K2. We set up in a soccer field by a bay where NASA once had a tracking station. Others have told me that there is still a lot of copper in the ground left over from the installation. The CW station was given a nice 20/40 meter fan dipole at about 25 feet. Sadly, we had our main CW operator pass away two days before Field Day. However, I was delighted to find out that there was another die-hard CW op in the club besides me. As he was in charge of the CW station, he had his Tentec Jupiter station set up, which we used Saturday. As it turned out it didn't seem to be too bad rig for CW, but I had the feeling that the nearby stations on frequency were not as close as they seemed to be. Plus it was all digital sounding. The only problem I had was when I first started sending, it seemed as if I was in monitor mode because I could still hear the stations. As a result I could not hear very well what I was sending as it was being masked by all the other signals in the pass band, which was set at 300 Hertz. As it turns out, it was transmitting, but I was experiencing full QSK, I think, for the first time. Anyway we did very well on Saturday between 1 pm and 4 pm doing search and pounce. One of us logged and one operated the Tentec. I had a special dinner to attend in the evening so I left at 4 pm and did not get back to the site until 11 pm. When I got back the CW station was unattended, and I discreetly set up my K2/100 station. My idea was to work a few stations when no one else was around just to give my 1999 K2 (#402) its first really big time workout. I figured this would be its belated christening if it lived up to the task. My CW partner (W5IM), finally woke up from a rest and told me his paddle was inoperative. Another brass pounder had been using his hand crafted paddle and had literally left it with one side shorted out. This guy was literally a "pounder". I saw him operate a little the next morning with his extra heavy duty key. When I was 100 yards from the tent I actually thought someone was operating a spark transmitter from the excessive noise. Even the SSB operators were distracted by the noise. Anyway I hooked up my Bencher BY-2 to his Tentec but the paddles were reversed, so I put the Bencher upside down and he was able to make a few contacts but this arrangement was a bit awkward. So even though I did not want to force the K2 on him he decided that it would be best to use my Elecraft instead of rewiring my paddle. So that's when my fun really began. After finally figuring out all the connections (I have the KAT100/KPA100 in a separate enclosure), we really enjoyed using the K2. I ended up operating the K2 solo at 100 Watts from about 11 pm till 5:30 am. I made plenty of CW contacts. When I was on the air I could usually produce twice as many contacts as the two other SSB stations combined. It seemed very hard for the phone ops to make contacts when conditions were not very good. I stayed on 40 meters the whole time and usually stayed below 7.025 where the ops seemed to be better and rarely did I have to send my call more than once. I also worked W0CQC, but don't know if I worked any other QRP'rs. I was using the call N5CRP. One quirk that happen twice was that when I turned the rig on the led display remained fully lit and I had no audio. Once the audio came back very slowly after a few minutes (like a capacitor was discharging) and once I think I toggled the frequency buttons. I had the PS very close to the K2 by necessity (Astron VS35M). If anyone has a clue what happened please let me know. I took a nap in my lawn chair in a field between about 5:30 and 6:30 am, Sunday, and enjoyed the sunrise. I then did a few more contacts on 40, 20 and 15 but fatigue started to get to me. I finally went home for about two hours rest and then met the guys at the field at 1 pm to help with a quick take down. What surprised me this field day was that I had no trouble hearing the call signs. I started sending my replies at 15 wpm and gradually got it up to 20 wpm, which for me is a significant accomplishment, since I must be a bit dyslexic as I can't tell my right from left and often can't remember which side of the paddle to start on. The stations I was answering must have been sending at around 28 WPM easy. So it was good, and I look forward to doing it again next year with K2 (#402) from the start. Regards, Steve Pituch, W2MY Corpus Christi, Texas P.S. Since Corpus is now officially the only area of the Gulf coast not hit by a major storm in the past year, the media was all over us. The three TV stations and the local newspaper had crews out to interview us for at least an hour each. They knew we could be of some help in the event of a hurricane, but they were actually able to speak to a ham (AD5CA) who went to LA for disaster relief and who told them how much hams are needed. They were very much interested in and picked up on our digital and email capability without the need for an Internet connection. That's something the average person can really relate to. Also people down here are gradually realizing through our efforts that a hurricane can devastate the area, and hams could end up saving some lives. I have one of the newspaper photos at: http://users.ev1.net/~spituch/Family/Family%2014/Family14.html The guy with the fish is my son, John, W2MBY. -- No virus found in this outgoing message. Checked by AVG Free Edition. Version: 7.1.394 / Virus Database: 268.9.4/375 - Release Date: 6/25/2006 _______________________________________________ Elecraft mailing list Post to: [hidden email] You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com |
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