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Posted: 7/5/2014 8:45:46 AM EDT
[#1]
I will at least listen if the wife doesn't come up with something to do.
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Posted: 7/5/2014 8:49:00 AM EDT
[#2]
Anyone would be welcome to join in. The radius thing is just for data collection.
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Posted: 7/5/2014 8:53:47 AM EDT
[#3]
Depends on what time, I might be free.
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Posted: 7/5/2014 9:39:58 AM EDT
[#4]
I'd be willing to give it a shot on 40m or 80m (don't have 60m) depending on time...
Nick |
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Posted: 7/5/2014 9:50:24 AM EDT
[#5]
40m 7.223 is as good as any.
Now what time? 2400z seems to be a good time for propagation. |
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Posted: 7/5/2014 9:51:51 AM EDT
[#6]
I probably will not be home in time. But I can check when we get back.
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Posted: 7/5/2014 10:17:33 AM EDT
[#7]
40M is probably not a good choice.
From the other, similar NVIS thread I just posted this: NVIS from a practical and not mysterious standpoint: 1. There are no "special NVIS antennas". Any antenna is suitable for NVIS if it is a low (less than 1/4 wavelength high) and horizontally polarized. Basically any dipole, end-fed or random wire configuration. It can be very low, merely feet off of the ground, and still work really well. If your ground conductivity is poor you may need a wire counterpoise. That's just another wire laying on the ground under your "NVIS" antenna. 2. In the evening, 99 times out of a hundred, any amateur NVIS in North America is going to be on 80 or 60M. 40M rarely works. It's usually over foF2 (aka Maximum Usable Frequency--MUF) which is the maximum frequency that can be reflected by the F2 layer of the ionosphere. Use this web page or this web page to help figure out where you stand. I personally find that these web pages are usually showing an foF2 that is about 1MHz higher than it really is. Similarly 160M rarely works as it's usually far below foF2. Your mileage may vary. 3. The best NVIS performance is attained at frequencies jsut below foF2. The reason for this is the lower you are relative to it the more absorbed and the less reflected the signal is. This can cause problems for reliable amateur NVIS because amateurs are not allocated any frequencies in the 4 or 6MHz ranges. For example, sometimes 60M is just above foF2 and 80M too low to work well. 4. You do need a bit of power. The path length is long. NVIS is not normally a QRP game. 20W minimum, 100W is ideal. Above 100W is rarely necessary to obtain S9 signals. If you need more than 100W then your path is probably ground wave. |
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Posted: 7/5/2014 11:02:22 AM EDT
[#8]
Aa777888-2 that is exactly why I want tp try.
Foxxz and I live about 70 miles apart with pretty good terrain between us. Using the propagation tools it puts us just above 5MHz. We can routinely make contact on 40m. Him using a kx3 and me using my youkits. Both with less than optimal dipoles. Phone has had some static to it but 10w digital has been great. 60m is hard for most and 80m antennas are out of reach for some. While 40m isn't ideal it is worth a shot. During the 13 colonies all but 2 or 3 of my contacts were on 40m |
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Posted: 7/5/2014 2:43:40 PM EDT
[#9]
Quote HistoryQuoted:
Aa777888-2 that is exactly why I want tp try. Foxxz and I live about 70 miles apart with pretty good terrain between us. Using the propagation tools it puts us just above 5MHz. We can routinely make contact on 40m. Him using a kx3 and me using my youkits. Both with less than optimal dipoles. Phone has had some static to it but 10w digital has been great. 60m is hard for most and 80m antennas are out of reach for some. While 40m isn't ideal it is worth a shot. During the 13 colonies all but 2 or 3 of my contacts were on 40m 40M can be a great "local" daytime into evening ground or skywave band but it's not often NVIS. I hang with a local/regional ESSB net that occurs in the Extra portion of 40 or 80 depending on the time of day. When we are achieving NVIS the guys with 100W are S9 no matter where they are (within 200 to 300 miles or so) and the QRO guys are +20 to +40. 
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Posted: 7/5/2014 3:15:05 PM EDT
[#10]
I went and counted my chickens before they hatch. I am still at work and have to be back in around 0400. I will see is I can make it. If not carry on without me or wait for next time.
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Posted: 7/5/2014 3:15:19 PM EDT
[#11]
Quote HistoryQuoted:
40m 7.223 is as good as any. Now what time? 2400z seems to be a good time for propagation. W1AW/9 Wisconsin on 7.223 currently... Nick |
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Posted: 7/5/2014 3:30:01 PM EDT
[#12]
I'm down for some nvis.
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Posted: 7/5/2014 4:02:52 PM EDT
[#13]
Quote HistoryQuoted:W1AW/9 Wisconsin on 7.223 currently...
Nick Yup, got him at 2311 hours, but I think he's gone now, at least for me. I very vaguely heard someone call CQ with a KJ prefix, couldn't get much else. |
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Posted: 7/5/2014 4:13:54 PM EDT
[#14]
can't seem to get the vertical to tune up on 40m tonight. :/
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Posted: 7/5/2014 5:31:41 PM EDT
[#15]
Did you do this already?
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Posted: 7/7/2014 11:38:55 AM EDT
[#16]
Anyone free tonight?
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Posted: 7/7/2014 11:40:02 AM EDT
[#17]
I may be. I got the vertical to tune on 40m last night, must be soil moisture content.
If not, I can use the OCFD. |
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Posted: 7/7/2014 11:54:46 AM EDT
[#18]
Time & freq ...
80m is on low hung ocf wire, 40 normally getting out best on vertical but can give it a shot on the wire. Nick |
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Posted: 7/7/2014 12:59:42 PM EDT
[#19]
Quote HistoryQuoted:
Anyone free tonight? I'm home at 2300.... if you're still up |
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Posted: 7/7/2014 5:30:21 PM EDT
[#20]
It's a wonder how any net meets on this board.
I was hoping to listen in. |
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Posted: 7/7/2014 5:31:33 PM EDT
[#21]
I'm back from being "out." Verdict?
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Posted: 7/7/2014 5:39:48 PM EDT
[#22]
Quote HistoryQuoted:
I'm back from being "out." Verdict? home in just over an hour.... if I don't get caught up in west philly riots |
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Posted: 7/7/2014 7:23:55 PM EDT
[#23]
so um.....
anyone around for this? |
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Posted: 7/7/2014 8:58:29 PM EDT
[#24]
Quote HistoryQuoted:
so um..... anyone around for this? |
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Posted: 7/8/2014 1:20:06 AM EDT
[#25]
We meet tonight at 0000z 40m 7.223.
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Posted: 7/8/2014 5:47:21 AM EDT
[#26]
Quote HistoryQuoted:
40M is probably not a good choice. 40M rarely works. It's usually over foF2 (aka Maximum Usable Frequency--MUF) which is the maximum frequency that can be reflected by the F2 layer of the ionosphere. Don't know why, but 40 meters seems to work pretty well for me at night. My EndFedz at about 12 feet consistently brings in Oklahoma (150-200 miles away), which I have never heard on any higher band. Plus, I have a buddy who lives about 30 miles away, and I seem to be able to contact him on 40 meters too. |
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Posted: 7/8/2014 7:11:31 AM EDT
[#27]
Tag for when I get my rig.
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Posted: 7/8/2014 7:22:15 AM EDT
[#28]
Quote HistoryQuoted:
Don't know why, but 40 meters seems to work pretty well for me at night. My EndFedz at about 12 feet consistently brings in Oklahoma (150-200 miles away), which I have never heard on any higher band. Plus, I have a buddy who lives about 30 miles away, and I seem to be able to contact him on 40 meters too. Quote HistoryQuoted:
Quoted:
40M is probably not a good choice. 40M rarely works. It's usually over foF2 (aka Maximum Usable Frequency--MUF) which is the maximum frequency that can be reflected by the F2 layer of the ionosphere. Don't know why, but 40 meters seems to work pretty well for me at night. My EndFedz at about 12 feet consistently brings in Oklahoma (150-200 miles away), which I have never heard on any higher band. Plus, I have a buddy who lives about 30 miles away, and I seem to be able to contact him on 40 meters too. If they are both running horizontally polarized antennas and the same power and they are both coming in at S9 then I'd say, yes, you are experiencing NVIS propagation. If there are differences in the power levels, i.e. your buddy who is 30 miles away is a lot stronger, or one or both of them are running verticials, then it is probably ground wave. In other words do not assume that it is NVIS just based on frequency. |
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Posted: 7/8/2014 7:36:38 AM EDT
[#29]
Quote HistoryQuoted:
If they are both running horizontally polarized antennas and the same power and they are both coming in at S9 then I'd say, yes, you are experiencing NVIS propagation. If there are differences in the power levels, i.e. your buddy who is 30 miles away is a lot stronger, or one or both of them are running verticials, then it is probably ground wave. In other words do not assume that it is NVIS just based on frequency. Quote HistoryQuoted:
Quoted:
Quoted:
40M is probably not a good choice. 40M rarely works. It's usually over foF2 (aka Maximum Usable Frequency--MUF) which is the maximum frequency that can be reflected by the F2 layer of the ionosphere. Don't know why, but 40 meters seems to work pretty well for me at night. My EndFedz at about 12 feet consistently brings in Oklahoma (150-200 miles away), which I have never heard on any higher band. Plus, I have a buddy who lives about 30 miles away, and I seem to be able to contact him on 40 meters too. If they are both running horizontally polarized antennas and the same power and they are both coming in at S9 then I'd say, yes, you are experiencing NVIS propagation. If there are differences in the power levels, i.e. your buddy who is 30 miles away is a lot stronger, or one or both of them are running verticials, then it is probably ground wave. In other words do not assume that it is NVIS just based on frequency. My EndFedz is a very slight sloper...maybe 8 feet at the low end. He is running a horizontal dipole at about 35 feet. 100 watts for both of us. He was S-9, and I was S-9 +20. |
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Posted: 7/8/2014 8:50:47 AM EDT
[#30]
If I'm reading this right, it looks like NVIS is workable up past 40m for continental US & much of Canada today
I think this is a live (i.e. on-line, created on demand) image, if so, it will probably change hourly... (image generated at this location http://www.ips.gov.au/HF_Systems/6/5 Nick |
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Posted: 7/8/2014 3:01:51 PM EDT
[#31]
Fo time in 1 hr?
Nick |
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Posted: 7/8/2014 3:58:49 PM EDT
[#32]
7.223 has some big guns on it.
I am on 7.230 |
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Posted: 7/8/2014 4:10:31 PM EDT
[#33]
we are on 7.230
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Posted: 7/8/2014 4:19:21 PM EDT
[#34]
nikdfish what happened?
You faded a little, then when you finally came back it sounded like you were a little of freq. I couldn't tune you in though. |
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Posted: 7/8/2014 4:33:01 PM EDT
[#35]
The 707 had drifted (or got nudged). By the time I got back on freq I could not hear you, figured the band might have gone & signed of...
Nice chatting though. Hope the upcoming travels are rewarding! ETA: It was nice to hear the wire was talking well on 40m. The noise on the vertical might have been related to it not having been tuned before use while the wire had (I.e. both on the same manual tuner). Still, nice to hear it was working for something other than 80m. Nick |
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Posted: 7/23/2014 12:28:15 PM EDT
[#36]
bump
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Posted: 7/23/2014 4:10:10 PM EDT
[#37]
By Shenandoah, were talking about around Saunton? If its Septemberish, I might be able to pull it off.
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Posted: 7/23/2014 4:29:29 PM EDT
[#38]
You guys still on????
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Posted: 7/23/2014 4:39:58 PM EDT
[#39]
Quote HistoryQuoted:
You guys still on???? We don't need no radios, he wants us to come out there and visit him in person! 
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Posted: 7/23/2014 5:25:18 PM EDT
[#40]
I'm in, september would be better for me.
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Posted: 7/23/2014 6:32:16 PM EDT
[#41]
Quote HistoryQuoted:
We don't need no radios, he wants us to come out there and visit him in person! Quote HistoryQuoted:
Quoted:
You guys still on???? We don't need no radios, he wants us to come out there and visit him in person! My bad......a road trip.....that sound like fun. |
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