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Total 136 documents matching your query.

121. TopBand: 160 meter phased inverted-L's (score: 1)
Author: jon.zaimes@dol.net (Jon Zaimes AA1K)
Date: Tue, 17 Dec 1996 02:32:47 -0500 (EST)
Anyone using 1/2 wave spaced broadside Inverted L's on a hillside? I have the possibility of using a pair with one at bottom of hill, base elevation about 30-40 feet elevation, and second one at abou
/archives//html/Topband/1996-12/msg00302.html (8,877 bytes)

122. TopBand: loop preamp suggestions? (score: 1)
Author: jon.zaimes@dol.net (AA1K Jon Zaimes)
Date: Sat, 28 Dec 1996 12:10:41 -0500 (EST)
Hi Ron.... There's an easy to build circuit using just two MPF102 FET's, one toroidal input transformer, an optional toroidal output transformer (with slightly more gain) and a handful of resistors a
/archives//html/Topband/1996-12/msg00489.html (8,878 bytes)

123. TopBand: Remote Beverage Switching (score: 1)
Author: jon.zaimes@dol.net (AA1K Jon Zaimes)
Date: Sat, 28 Dec 1996 12:35:30 -0500 (EST)
Hi Ingo.... Remote beverage switching is easy to do without any control cables, just by piggybacking the DC control voltage on the feedline. At the receiver end, a series capacitor (typically .01 mf
/archives//html/Topband/1996-12/msg00492.html (10,397 bytes)

124. TopBand: FW2EH (score: 1)
Author: jon.zaimes@dol.net (AA1K Jon Zaimes)
Date: Fri, 1 Nov 1996 12:54:31 -0500 (EST)
FW2EH showed up just briefly right at sunrise today, around 1125z on 1824.6 kHz. He couldn't hear any of the stateside callers, complaining of QRN. He had left 80m a few minutes earlier, also citing
/archives//html/Topband/1996-11/msg00014.html (6,706 bytes)

125. TopBand: FW2EH: what an opening...but I still need! (score: 1)
Author: jon.zaimes@dol.net (Jon Zaimes AA1K)
Date: Sat, 2 Nov 1996 08:29:06 -0500 (EST)
After spending the entire sunrise period on 80 meters, FW2EH today QSYd to 1825.2 at 1214z. This is 45 minutes past our sunrise, so I did not expect to hear him at all. But he was S6-S7! And at 1230z
/archives//html/Topband/1996-11/msg00022.html (7,744 bytes)

126. TopBand: topband (score: 1)
Author: jon.zaimes@dol.net (Jon Zaimes AA1K)
Date: Sat, 2 Nov 1996 08:49:04 -0500 (EST)
Someone on the Topband Reflector helped me with this problem before, but I've lost my notes and in reconfiguring the computer some weeks back the Eudora files were reverted to their original. The pro
/archives//html/Topband/1996-11/msg00023.html (7,067 bytes)

127. TopBand: Where find A/K index predictions? (score: 1)
Author: jon.zaimes@dol.net (Jon Zaimes AA1K)
Date: Mon, 4 Nov 1996 07:53:39 -0500 (EST)
Is there some place I can find predicted A and K indexes and solar flux for the coming weeks, particularly Oct. 23-24, the CQ WW CW weekend? 73/Jon AA1K -- FAQ on WWW: http://www.contesting.com/topba
/archives//html/Topband/1996-11/msg00052.html (6,750 bytes)

128. TopBand: shunt-fed 4-square arrays? (score: 1)
Author: jon.zaimes@dol.net (Jon Zaimes AA1K)
Date: Sun, 17 Nov 1996 12:48:17 -0500 (EST)
Anyone successfully using shunt-feed in a 4-square array? Is there any reason shunt rather than series feed couldn't be used, if the radiators are identical? 73/Jon AA1K -- FAQ on WWW: http://www.con
/archives//html/Topband/1996-11/msg00230.html (6,746 bytes)

129. TopBand: XZ1N, and I was all wet! (score: 1)
Author: jon.zaimes@dol.net (Jon Zaimes AA1K)
Date: Fri, 22 Nov 1996 17:52:36 -0500 (EST)
I was soaking in the tub a few feet from the shack, getting ready for the contest...had the Rx set on 1825.5.....audio coming through the speaker....it was about 2200z and suddenly I started hearing
/archives//html/Topband/1996-11/msg00345.html (7,035 bytes)

130. TopBand: 160/80 shunt fed tower? (score: 1)
Author: jon.zaimes@dol.net (Jon Zaimes AA1K)
Date: Wed, 27 Nov 1996 02:44:04 -0500 (EST)
Hi Jim...My first shunt-fed tower was similar to yours (in Connecticut, 1978). It was 70 feet of Rohn 25 with a 204BA on top and a 4-el 15m Wilson yagi a few feet above that. As I recall the 160m shu
/archives//html/Topband/1996-11/msg00397.html (10,626 bytes)

131. No subject (score: 1)
Author: jon.zaimes@dol.net (Jon Zaimes AA1K)
Date: Thu, 28 Nov 1996 07:40:50 -0500 (EST)
Heard the first JAs of the season here today. Was on the band starting about 1135z, but heard nothing till 1200z as the sun was just starting to sparkle on the Delaware River out the window. I recogn
/archives//html/Topband/1996-11/msg00423.html (7,989 bytes)

132. TopBand: A "big" Magnetic Loop Antenna (score: 1)
Author: jon.zaimes@dol.net (Jon Zaimes AA1K)
Date: Thu, 10 Oct 1996 02:42:14 -0400 (EDT)
Reminds me of one morning back around 1980 when Mike VK6HD and I were in QSO on 80m. Mike had given me a 579 report but suddenly on one over he said my signal had dropped to S5 but he still copied ev
/archives//html/Topband/1996-10/msg00119.html (10,644 bytes)

133. TopBand: VK on 160 meters (score: 1)
Author: jon.zaimes@dol.net (AA1K Jon Zaimes)
Date: Sun, 8 Sep 1996 03:42:40 -0400 (EDT)
.... What kind of antenna Hi Kevin... Most of the guys serious about DXing on 160 are using separate receiving antennas that have a better signal-to-noise ratio than the transmitting antenna (such as
/archives//html/Topband/1996-09/msg00050.html (8,630 bytes)

134. TopBand: 1988 propagation? (score: 1)
Author: jon.zaimes@dol.net (Jon Zaimes)
Date: Tue, 24 Sep 1996 03:02:26 -0400 (EDT)
I'm looking for a source of historical propagation info for a friend doing some legal research. In particular looking for any data on communications on 160, 80 or 40m on Christmas Eve, 1988, over dis
/archives//html/Topband/1996-09/msg00179.html (6,645 bytes)

135. Re: Topband: Beverage measurements (score: 1)
Author: Jon Zaimes AA1K <jon.zaimes@dol.net>
Date: Tue, 16 Sep 2003 11:23:24 -0400
Hi Bill, The stagger-phased Beverages are a big advantage here. I can hear things on my European pair that are inaudible on a single wire in the same direction (pair are 513-feet long; single about t
/archives//html/Topband/2003-09/msg00069.html (9,509 bytes)

136. Topband: DSL question (score: 1)
Author: Jon Zaimes AA1K <jon.zaimes@dol.net>
Date: Tue, 30 Sep 2003 10:35:41 -0400
Nothing like the threat of BPL to rev up Verizon to get DSL in rural areas of Delaware. It's finally available here. So my question....has anyone experienced any RFI problems with this? 73/Jon AA1K -
/archives//html/Topband/2003-09/msg00151.html (6,661 bytes)


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