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DXER Ham Radio DX News

The latest dx news/current propagation and more. Visit mike's Amateur Radio Page at www.qsl.net/swlham

Showing posts with label 2016 at 12:18PM. Show all posts
Showing posts with label 2016 at 12:18PM. Show all posts

Monday, November 21, 2016

ANTENNAS: PART II For the DX University Presented by Pete Rimmel N8PR. – ppt download

submitted by /u/leonuys
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ELI5: CW, keys, keyers

You have learned/learning CW and it is time to get a key. What kind of key? Straight, one lever, two levers, a bug?!? (what’s that?), touch? Can one just plug it right into the the “KEY” jack and go or do you also need a keyer? Does any keyer work with a rig even it is has a keyer built in?

I thought a thread with some explanation might be helpful. There is a bit more to learn about the CW mode than just the code.

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High SWR with DBJ2 slim jim?

I bought a DBJ2 antenna, the government pack from CountyComm. I wanted to use it with my Icom ID-800H as a sort of temporary base station setup. If I try transmitting at high power the radio detects high SWR and kicks the power down to the medium setting. Is this normal? For comparison I also have one of these Slim Jim antennas and when hooked up to the same radio it does not kick the power down. I realize that neither of these antennas may be well suited for 50 watts, so my question is more on whether this is normal for the DBJ2? The DBJ2 claims higher gain for UHF than other similar antennas without the UHF matching section. It would seem there is a tradeoff between higher UHF gain and higher SWR? I have also read that RF coupling may occur with the DBJ2, which the other slim jim addresses by using a ferrite bead near the feed point. Would it be worth adding a snap on style ferrite bead to the DBJ2? Maybe I am just overthinking things. I am wondering if the performance of the DBJ2 is really that great compared to the other slim jim that I linked to. I have not had a chance to put the DBJ2 on an analyzer either. Has anyone tried one of these Slim Jim with RG-58, and if so, what are your impressions? It seems to be similar to the DBJ2 with a UHF matching section, but it also incorporates a ferrite bead, so best of both worlds?

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ARRL Sweepstakes: How’d You Do?

With the SSB weekend now over, another ARRL Sweepstakes season has come to an end. Those who participated, how did you do? How has the solar cycle doldrums affected your strategy or even your overall participation? Anyone get a clean sweep this year?

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New Technician Christmas List?

Just passed my Technician and General, and am looking for Ham related items to put on my Christmas list. I’m at the point where I don’t know what I need. I’ve got a good VHF handset, but that’s it.

So what sub-$100 items are indispensable for you?

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