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Author Topic: XR0ZR - Juan Fernandez Island  (Read 30032 times)
NU1O
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Posts: 2690




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« Reply #45 on: November 09, 2013, 08:55:53 PM »

and now another crazy pileup on 20m ssb
Mark N1UK

Thanks for the spot!  My antenna is much more competitive on 20m Grin  On 17m it's almost like a dummy load Cheesy  I almost lost my sanity on the 17m pile up.

73,
Jonathan W6GX

It seems like a dummy load compared to 10/15/20 but it does get out on 12/17 just don't be afraid to transmit when the DX signal is weak and the pileup large.  In the past I've passed on those big 12/17 meter pileups because the DX was weak and I didn't think I'd be able to break the pileup. If you can hear 'em, try and work 'em!

K9W was on 17 meter cw with a weak signal at about 2000 UTC and I broke the pileup on my very first call.  I then went to 12 meters and did the exact same thing with T33A.  The 2 QSOs were within a 10 minute period. I felt as if I were playing every hand of blackjack on the table and they all turned up naturals but that's how lucky streaks work. BTW, I don't see any advantage at all in working the beam in reverse on 12/17 and if your EZNEC simulations are correct there shouldn't be since the pattern is that of a dipole.  The only advantage on 12/17 is you don't have to turn your beam to the DX when you're 180 degrees off.  

73,

Chris  NU1O
« Last Edit: November 09, 2013, 08:57:54 PM by NU1O » Logged
W6GX
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Posts: 2760




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« Reply #46 on: November 09, 2013, 09:17:21 PM »

It seems like a dummy load compared to 10/15/20 but it does get out on 12/17 just don't be afraid to transmit when the DX signal is weak and the pileup large.  In the past I've passed on those big 12/17 meter pileups because the DX was weak and I didn't think I'd be able to break the pileup. If you can hear 'em, try and work 'em!

K9W was on 17 meter cw with a weak signal at about 2000 UTC and I broke the pileup on my very first call.  I then went to 12 meters and did the exact same thing with T33A.  The 2 QSOs were within a 10 minute period. I felt as if I were playing every hand of blackjack on the table and they all turned up naturals but that's how lucky streaks work. BTW, I don't see any advantage at all in working the beam in reverse on 12/17 and if your EZNEC simulations are correct there shouldn't be since the pattern is that of a dipole.  The only advantage on 12/17 is you don't have to turn your beam to the DX when you're 180 degrees off.  

Indeed the antenna does get out on the WARC bands but the performance is so degraded compared to the regular bands.  There's no comparison between the Skyhawk and my buddy's three element 17m monobander or a Steppir.

When I modeled the Skyhawk on EZNEC on 17m it showed 3.6db of F/B with a gain on the BACK of the beam.  The modeling result confirms my on-the-air observation.  There's a noticeable but not huge difference.  On 12m the difference is 2db and on 30m it's 1.3db.  This also confirms my on-the-air observations.  On 30m it actually works quite well as 30m is an odd harmonic of 40m.

I will send you the document and please read it carefully this time.  Take are and enjoy the fun!

ps XR0ZR is actually quite loud on 17m however they are working EU only.  I had thought the band is long dead at 10:23pm local time.

73,
Jonathan W6GX
« Last Edit: November 09, 2013, 09:23:46 PM by KF7BBJ » Logged
N2NL
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Posts: 337




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« Reply #47 on: November 09, 2013, 10:12:45 PM »

They continue to be weak here - S5 at most while the TEP openings have them booming into JA (and presumably EU and NA also).  That said, I snuck in through the 10KC JA pileup on 17SSB.  The JAs seem to like calling on even multiples - he was listening up 5-15 and 90% of the JAs calling were calling on 145, 150, and 155 only.  I called on a clear 153 and got him.

I imagine they are very weak into ZL/VK on the higher bands since they are off the side of the XR0's antennas.  Hopefully they spend some time asking for OC and AF once things calm down some in a few days.

Still would like at least one CW QSO before I head to DU next week for a much needed vacation from DXing. 

-KH2/N2NL
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VK3HJ
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Posts: 644




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« Reply #48 on: November 10, 2013, 06:30:35 AM »

Worked at 1017 UTC today on 30 m. Not very strong, huge JA pileup, but I just plugged away at the top edge and made the contact. Then worked 5J0R shortly after.
I have 520 feet of wire in a doublet up 70' that works very well on 30 m.
Nothing at all on higher bands. The A Index of 16 doesn't help.
73 es GL,
Luke VK3HJ
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KD8TFG
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Posts: 76




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« Reply #49 on: November 10, 2013, 06:52:29 AM »

worked them today 14:48 on 12m they were weak into Ohio
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W5RDW
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Posts: 253




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« Reply #50 on: November 10, 2013, 07:56:30 AM »

I am not use to instant log update from a DXpedition. I can reload ClubLog right after I respond to their 5NN TU and I am already in ClubLog!!! D

Now that is nice!
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Roger White W5RDW
Murphy, TX
Ham since 1961
N4NYY
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Posts: 4799




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« Reply #51 on: November 10, 2013, 11:40:40 AM »

Just got him on 10M SSB for a an alltime new one! He said to spread out, so I went way up. And he found me where no one was! LOL
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NU4B
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Posts: 2284




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« Reply #52 on: November 10, 2013, 01:30:10 PM »

And he found me where no one was! LOL

That's the way to do it! Don't you wish they were all that easy? Congrats on the ATNO.
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N2NL
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Posts: 337




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« Reply #53 on: November 10, 2013, 01:52:38 PM »

They are apparently booming into NA on 10m right now, but still ESP weak here in the Western Pacific on all bands.  I've been able to elbow my way through the JA pileups and into the log on 5 bands now... but the "fringe" bands are going to be tough 10/12 and 80/160.  I suspect I have a better chance on 80/160 because I have a slight distance advantage over JA, but the high bands are likely hopeless unless they listen for OC because I won't get the booming TEP openings the JAs get being that I am on the magnetic equator.  This is the peak time for 10m and they are 4x2 in strength at best with a 4el pointed at them from a hilltop QTH.

The VK/ZL guys are having it much worse.  Currently 0.8% of their QSOs are with OC from an entity located in the Pacific.

I chalk this up as NA revenge for my ability to one-call into T33A and K9W on all bands but 6m Smiley  I have a love-hate relationship with 6m.  I love the band but the band hates me.  Example:  KH9 beacon is S9 here for hours every day last month, but we have not heard it at all since the start of K9W.  Yet they are getting daily JA openings.  I am blaming Congress!

-KH2/N2NL
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W6GX
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Posts: 2760




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« Reply #54 on: November 10, 2013, 02:01:47 PM »

Finally got 'em on 17m.  It took 1500w and about an hour of calling.  Whew....

73,
Jonathan W6GX
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AF5CC
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Posts: 933




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« Reply #55 on: November 10, 2013, 02:08:17 PM »

They have been putting in a good signal here so far, but no luck yet.  Chased them on 30m Friday night, 15m yesterday morning, and then 12m yesterday afternoon. Have CE0Z on 20, 17, and 10 so would like a couple of new band fills and a RTTY new one.  I am sure they won't be too difficult in a little while with the signal they are putting in.

John AF5CC
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N1UK
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Posts: 1485




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« Reply #56 on: November 10, 2013, 02:47:59 PM »

Quote
Finally got 'em on 17m.  It took 1500w and about an hour of calling.  Whew....

..and I thought it was my station...I had to work like a dog for some of my XR0ZR contacts. It makes up for K9W on 30m this morning..I plonked down on a frequency and dropped in my call...I saw the swr needed adjusting but he came right back to me. No time to adjust swr now. A quick report and he was in the log....you don't get easy ones like that very often.


Mark N1UK
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KF7CSO
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Posts: 352




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« Reply #57 on: November 10, 2013, 03:37:31 PM »

For what ever reason, this one is proving difficult for me. I just spent 2 hours on 17 SSB trying to break the pile. No joy. I think I'll wait for the surge to subside. My ears are ringing from the QRMers.  Tongue
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Eric
K3NRX
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Posts: 2046


WWW

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« Reply #58 on: November 10, 2013, 04:17:40 PM »

For what ever reason, this one is proving difficult for me. I just spent 2 hours on 17 SSB trying to break the pile. No joy. I think I'll wait for the surge to subside. My ears are ringing from the QRMers.  Tongue

You mean from the Radio Terrorists! I don't know what the hell triggered that ham radio disgrace du jour (nor do I care), but I really hope those deliberate jammers and criminals get the worst possible brand of constipation imaginable....

V
KA3NRX
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W6GX
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Posts: 2760




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« Reply #59 on: November 10, 2013, 04:28:00 PM »

My ears are ringing from the QRMers.  Tongue

Yeah.  Someone was playing a recording on a loop.  It goes like this "CQ CQ 75 METERS CQ CQ 75 METERS".  And then "GO AWAY, THIS IS 17 METERS NOT 75 METERS" Cheesy  It went on like this for an hour Cheesy

73,
Jonathan W6GX
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