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References: [ +from:wes_n7ws@triconet.org: 286 ]

Total 286 documents matching your query.

81. Re: Topband: 160m antenna help (score: 1)
Author: Wes Stewart <wes_n7ws@triconet.org>
Date: Fri, 21 Sep 2018 15:20:45 -0700
Paul, It would be nice to have a few more data points.  The two you supplied when mapped onto the Smith Chart don't give much evidence of a resonant point and the second one doesn't make sense.  With
/archives//html/Topband/2018-09/msg00163.html (9,249 bytes)

82. Re: Topband: FW: [cwops] Topband season looking good (score: 1)
Author: Wes Stewart <wes_n7ws@triconet.org>
Date: Fri, 5 Oct 2018 11:13:21 -0700
One problem for us on (or near) the west coast is too many DX stations to the west QRT before our sunrise.  I rely on the SR enhancement and, probably more important, the diminished QRN from the east
/archives//html/Topband/2018-10/msg00023.html (9,447 bytes)

83. Re: Topband: antenna analyzers (score: 1)
Author: Wes Stewart <wes_n7ws@triconet.org>
Date: Fri, 12 Oct 2018 13:35:12 -0700
I can vouch for the AA-55 Zoom, although it is not without flaws. I live 5.9 miles from a 50KW BC station on 1550 kHz.  On my 160-meter inverted-L they are 70 dB over S9 on a calibrated K3, that's 70
/archives//html/Topband/2018-10/msg00047.html (9,982 bytes)

84. Re: Topband: trying to tune up 80 meter 4-Square (score: 1)
Author: Wes Stewart <wes_n7ws@triconet.org>
Date: Fri, 12 Oct 2018 18:21:31 -0700
Joe is correct. On 10/12/2018 5:45 PM, Joe Subich, W4TV wrote: On 2018-10-12 7:10 PM, MrToby wrote: You dont have to lower them but you need to short them to ground to make them electrically invisibl
/archives//html/Topband/2018-10/msg00053.html (10,632 bytes)

85. Re: Topband: antenna analyzers (score: 1)
Author: Wes Stewart <wes_n7ws@triconet.org>
Date: Mon, 15 Oct 2018 15:25:47 -0700
I can now verify that the FA-VA5 does just fine on my 160 meter inverted-L. As an aside, we've had some rain here in Tucson lately and I've observed a decrease in the feedpoint Z of about 5 ohm due t
/archives//html/Topband/2018-10/msg00069.html (8,746 bytes)

86. Re: Topband: Why no NA 160m Activity? (score: 1)
Author: Wes Stewart <wes_n7ws@triconet.org>
Date: Wed, 17 Oct 2018 11:33:17 -0700
The USA is a big country; four time zones.  Sunset on the east coast is three + hours before our sunset here in AZ.  By the time we have full darkness (~0100Z) you guys across the pond are all asleep
/archives//html/Topband/2018-10/msg00078.html (8,783 bytes)

87. Re: Topband: VP6D (score: 1)
Author: Wes Stewart <wes_n7ws@triconet.org>
Date: Mon, 22 Oct 2018 15:05:27 -0700
Pity they didn't stay on until our SR in AZ.  But that's not atypical. Wes  N7WS On 10/22/2018 10:55 AM, David Olean wrote: I am not an expert on DX peditions, coming late to HF and 160 meters in my
/archives//html/Topband/2018-10/msg00188.html (8,274 bytes)

88. Re: Topband: Loss Question (score: 1)
Author: Wes Stewart <wes_n7ws@triconet.org>
Date: Thu, 25 Oct 2018 10:29:46 -0700
https://ac6la.com/tldetails1.html Thanks! Bob/AA6VB _________________ Searchable Archives: http://www.contesting.com/_topband - Topband Reflector _________________ Searchable Archives: http://www.con
/archives//html/Topband/2018-10/msg00200.html (7,752 bytes)

89. Re: Topband: Loss Question (score: 1)
Author: Wes Stewart <wes_n7ws@triconet.org>
Date: Thu, 25 Oct 2018 10:58:07 -0700
Here's a bit more from Dan, AC6LA, about this: https://ac6la.com/swrloss.html Wes  N7Ws That just goes so show you how little I know! I assumed, apparently incorrectly, that there was some loss IN AD
/archives//html/Topband/2018-10/msg00204.html (10,124 bytes)

90. Re: Topband: Loss Question (score: 1)
Author: Wes Stewart <wes_n7ws@triconet.org>
Date: Thu, 25 Oct 2018 11:33:59 -0700
Whoa.   I said no such thing. The AC6LA calculator is definitely not simplified and/or inaccurate. Wes  N7WS Hi Bob, As Wes points out, the AC6LA calculator is overly simplified and not very accurate
/archives//html/Topband/2018-10/msg00206.html (10,063 bytes)

91. Re: Topband: Zone 18 is very active (score: 1)
Author: Wes Stewart <wes_n7ws@triconet.org>
Date: Sat, 3 Nov 2018 15:04:21 -0700
I worked him near my SR this morning, although he had a tough time hearing me. Wes  N7WS Times are good on the TB , keep an ear to the North 73 Ed N5DG _________________ Searchable Archives: http://w
/archives//html/Topband/2018-11/msg00014.html (7,009 bytes)

92. Re: Topband: ARRL DXCC - 160 Meters (score: 1)
Author: Wes Stewart <wes_n7ws@triconet.org>
Date: Sat, 17 Nov 2018 08:18:58 -0700
I can carry one card to an approved 160 field checker and get it approved.  He has no idea what my total are. Wes  N7WS Joe ! To the checker was declared all 339. No doubt ! Nick, UY0ZG Joe Subich, W
/archives//html/Topband/2018-11/msg00151.html (12,086 bytes)

93. Re: Topband: Impedance of inv l? (score: 1)
Author: Wes Stewart <wes_n7ws@triconet.org>
Date: Sun, 18 Nov 2018 10:16:26 -0700
To the first order, the feedpoint Z (at resonance) will depend on the height of the vertical portion, which affects the radiation resistance. and the resistive loss of the ground connection which app
/archives//html/Topband/2018-11/msg00172.html (10,473 bytes)

94. Re: Topband: Impedance of inv l? (score: 1)
Author: Wes Stewart <wes_n7ws@triconet.org>
Date: Sun, 18 Nov 2018 10:17:40 -0700
That is not great.  It implies excessive ground loss. On 11/18/2018 9:41 AM, JAYB1943@OPTONLINE.NET wrote: Theoretical impedance for a perfect 1/4 wave ground plane is 37 ohms. 60 ohms is great; 1.2:
/archives//html/Topband/2018-11/msg00173.html (7,843 bytes)

95. Re: Topband: Impedance of inv l? (score: 1)
Author: Wes Stewart <wes_n7ws@triconet.org>
Date: Sun, 18 Nov 2018 12:31:38 -0700
That also drives up the current in the horizontal wire with attendant increased horizontal radiation. I chose for a couple of reason to do the opposite; shorten the wire to make the feedpoint capacit
/archives//html/Topband/2018-11/msg00175.html (8,913 bytes)

96. Re: Topband: Impedance of inv l? (score: 1)
Author: Wes Stewart <wes_n7ws@triconet.org>
Date: Mon, 19 Nov 2018 05:53:49 -0700
Yes, the "far end" has minimal radiation; it's the wire getting there that does.  Doubt me, model it. Wes The far end is high impedance voltage, and has minimum horizontal current radiation.  The inv
/archives//html/Topband/2018-11/msg00181.html (8,600 bytes)

97. Re: Topband: ARRL DXCC - 160 Meters (score: 1)
Author: Wes Stewart <wes_n7ws@triconet.org>
Date: Tue, 20 Nov 2018 12:55:30 -0700
One of our SADXA members just wrote a paper about the possibility of daytime 40-meter DX during mid-December. But on this subject I would like to know who made the ONE 160-meter SSB QSO with VP6D. We
/archives//html/Topband/2018-11/msg00198.html (9,673 bytes)

98. Re: Topband: ARRL DXCC - 160 Meters - Station Location and Boundary (score: 1)
Author: Wes Stewart <wes_n7ws@triconet.org>
Date: Fri, 23 Nov 2018 12:35:54 -0700
Let's just institute the rules for WAS for DXCC. Wes  N7WS On 11/23/2018 10:44 AM, Dan Edward Dba East edwards wrote: gotta chip in my $0.02 on this, for what little it may be worth.. i have access t
/archives//html/Topband/2018-11/msg00237.html (12,577 bytes)

99. Re: Topband: Observations on a base-loaded 70 ft vertical (score: 1)
Author: Wes Stewart <wes_n7ws@triconet.org>
Date: Mon, 3 Dec 2018 06:23:17 -0700
If I understand correctly, your base loading is insufficient to bring the vertical down to resonance, It then appears capacitive and that capacitance in concert with the shunt inductance form an L-ne
/archives//html/Topband/2018-12/msg00012.html (14,209 bytes)

100. Re: Topband: Effect of Radial Field on Antenna Impedance (score: 1)
Author: Wes Stewart <wes_n7ws@triconet.org>
Date: Sat, 8 Dec 2018 14:13:10 -0700
I'm not surprised and the results seem reasonable. Wes  N7WS I have an inverted L between two trees with 34 radials on the ground. Four radials are 135 feet long, the rest 70 feed long. I choose thes
/archives//html/Topband/2018-12/msg00116.html (10,890 bytes)

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