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Author Topic: Propogation  (Read 3628 times)
KC2TRX
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Posts: 18




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« on: July 26, 2010, 02:47:18 PM »


  Is it my location, or are 20 and 10 meters just about dead?  Summer doldrums?  Or do I need to look at my station/antenna?  - Dan O'Connell/KC2TRX.
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N7DM
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Posts: 671




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« Reply #1 on: July 26, 2010, 03:11:02 PM »

Nope not your QTH. In fact,comparing notes with a long Ham Pal that happens to hold a PHD in Astro-Physics, he agrees with my Far Lesser qualified observation that this *IS* the longest, deepest 'Low' in sunspot history... last hundred years.   That said, 'during a sunlit path', there USED to be a lot more activity. After five Cycles of operation, I get heart-broken with the Big Empty Space on '20 phone', where I once PLEADED for just a couple Kay-Sees in which to run overseas phone patches!

It IS part propagation...but also a large part on the lack of Ham Population. I am a Day-Time OP. Which means *OLD*...And anybody else I run into is similarly 'youth challenged'...

73...dm
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WB2WIK
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Posts: 20595




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« Reply #2 on: July 26, 2010, 03:15:07 PM »

Except 20m is far from "dead."  It is very wide open late in the day, every day.

I'm finding 20m is "okay" at about 5 PM local time, "better" at 6 PM, and "wide open" by about 7 PM and until past midnight.  It's been doing this every single day lately -- just another quirk of ionospheric propagation. 

Midday the band's generally in terrible shape.  20's become much more of a "nighttime" band.

Of course, 40's always a good nighttime band.

10m is rarely open, although there was very good activity during sporadic-E openings from May through early July.  Now that's rarely happening, so the band went back to sleep. Tongue
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WX7G
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Posts: 6035




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« Reply #3 on: July 26, 2010, 03:52:01 PM »

Propagation will pick up on 20 meters just in time for the fall/winter contest season.

Who needs sunspots when we have 160 and 80 meters? Without sunspots 80 meters is the place to be for winter DXing.
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N7DM
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Posts: 671




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« Reply #4 on: July 26, 2010, 04:10:14 PM »

My daily operation is usually in the 1600 to 1900 GMT....   Probably not The Norm, but what I have.
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N0ZNA
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Posts: 115




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« Reply #5 on: July 26, 2010, 05:25:18 PM »

Im on 10mtrs from 1400z till 0400z and made alot of contacts the last 4 months,i am in em48sd and have no problem getting Fla. Tx and east coast every day.All i have is a Antron99 10 ft off the ground and a ts520...73s de JW
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WB2WIK
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Posts: 20595




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« Reply #6 on: July 26, 2010, 06:17:57 PM »

My daily operation is usually in the 1600 to 1900 GMT....   Probably not The Norm, but what I have.

I don't think there's any "norm," but considering conditions lately, you're on the band way too early.
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N0ZNA
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Posts: 115




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« Reply #7 on: July 27, 2010, 10:11:24 AM »

I found the best time is around 2200z till 0400z..i have made alot of contacts then...dont forget about the grayline...and made alot of contacts in early morning at that grayline.73s de JW
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KD6KWZ
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Posts: 276




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« Reply #8 on: July 28, 2010, 02:40:45 AM »

I just picked up an HTX-10 today, and I was wondering if the long wire antenna I'm using at the moment (with a tuner) for 10 meters was a dud, or if the receiver front end is shot. I get a little bit of what sounds like packet, but no CW or voice. And, I've scanned in all 3 modes: AM, FM, & USB. The tuner's SWR indicates power, so the RF stage is working.

So, it may just be bum conditions right now.
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W7ETA
Member

Posts: 2527




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« Reply #9 on: July 28, 2010, 03:05:57 AM »

Try a better antenna.  A dipole or wire ground plane is easy to make.  Used CB antenna?
73
Bob
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N0ZNA
Member

Posts: 115




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« Reply #10 on: July 28, 2010, 09:13:32 AM »

all i use is a antron 99 at 10 ft and get everywhere...Fla is everyday for me...try listening to 28.400usb...at 0000z is the best i found for hearing 6 and 7 from my area up till 0400z...73s de JW        look up 10-10 nets on here also...
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W5DC
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Posts: 146


WWW

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« Reply #11 on: July 28, 2010, 10:18:52 AM »

In the summertime in the northern hemisphere, summertime equals maximum D layer absorption because the sun is closer to being overhead than in spring, fall, and winter; this happens every year.  Combine that with low sunspot numbers and you get poor daytime conditions.  In the summertime here in Colorado, there's almost always daily afternoon and evening thunderstorms so that the best time for dxing is late night and very early morning with the best paths being to the west.

Dunc, W5DC
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KD6KWZ
Member

Posts: 276




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« Reply #12 on: July 28, 2010, 07:44:23 PM »

Quote
Try a better antenna.  A dipole or wire ground plane is easy to make.  Used CB antenna?

Funny you should mention the last one. I bought a NOS Wilson Silver CB antenna, at a decent price, kind of a Firestick/Hamstick(tm?) clone. And, it's rated for 1KW!   Roll Eyes

After all, you don't want CB'ers to burn out antennas with their ~4 watts of AM power.  Grin

Yep, some CB stuff is seriously overbuilt, and we all know why. Since this has an adjustable end whip, I figure between that & the AEA tuner I'll be able to make it work well on 10 meters. And, maybe 12, 15, & 17 meters when I get a rig that will work those bands.
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N0ZNA
Member

Posts: 115




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« Reply #13 on: July 29, 2010, 09:20:51 AM »

My 1st antenna when i got lic was a a-99 and pdl2....I used it on 11mtr ssb for years.That was in 1993 and still use it.I have it still up in the air and still use it on 10 mtrs.Most cb antennas with out a tuner will work on 10 and 12 mtrs without a tuner.And the a99 will work with a tuner on 10-12-15 20 and you can get them used for less than 40 dollars.And i have run over 200 wts thew it.73s de JW
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N0ZNA
Member

Posts: 115




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« Reply #14 on: August 06, 2010, 07:24:36 PM »

10 has been great for the last few days,dead today though...
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