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141. TopBand: Folded unipoles, etc (score: 1): Author: km1h@juno.com (km1h @ juno.com); Date: Tue, 07 Oct 1997 16:50:53 EDT; On Tue, 7 Oct 1997 11:12:35 -0600 Jim Henderson <jhenders@zianet.com> writes: Jim, I believe that you are looking at the beginning of the cage effect. Since both wires are in parallel it certainly is; /archives//html/Topband/1997-10/msg00096.html (11,328 bytes)
142. TopBand: 5/8 ~ vs. 1/2 ~ spacing (score: 1): Author: km1h@juno.com (km1h @ juno.com); Date: Wed, 08 Oct 1997 14:24:12 EDT; On Thu, 9 Oct 1997 09:06:59 -0700 "Lane C. Zeitler" <km3g@cts.com> writes: I cant comment on 5/8 wave spacing but back in the 80's at another QTH I had a pair of 1/4 wave cage verticals spaced 1/4 wa; /archives//html/Topband/1997-10/msg00120.html (7,698 bytes)
143. TopBand: polarisation (score: 1): Author: km1h@juno.com (km1h @ juno.com); Date: Wed, 08 Oct 1997 14:24:12 EDT; Does it Peter? I thought it was polarization and direction insensitive to ham band signals (sky wave ?) as long as the loop was under .1 wave. I have varied a 5' diameter loop thru all planes and not; /archives//html/Topband/1997-10/msg00121.html (11,102 bytes)
144. TopBand: Beverage feed line routing (score: 1): Author: km1h@juno.com (km1h @ juno.com); Date: Thu, 09 Oct 1997 14:35:26 EDT; As long as the fence is not acting as a radiator at the desired frequency. Most metal fence posts are in concrete which is a insulator. I know of some who use a fence successfully as a RX antenna. Gr; /archives//html/Topband/1997-10/msg00141.html (13,030 bytes)
145. TopBand: Folded unipoles (score: 1): Author: km1h@juno.com (km1h @ juno.com); Date: Thu, 09 Oct 1997 14:35:26 EDT; On Wed, 8 Oct 1997 20:01:07 +0000 w8jitom@postoffice.worldnet.att.net writes: To: <topband@contesting.com> I agree with just about everything Tom except for the ground resistance. If the radials are; /archives//html/Topband/1997-10/msg00142.html (17,375 bytes)
146. TopBand: rcvr pre-amp schematic missing (score: 1): Author: km1h@juno.com (km1h @ juno.com); Date: Thu, 09 Oct 1997 16:01:59 EDT; That was a DeMaw August 1988 QST article using a MPF-102 ahead of the MC-1350 IC. Be very careful of your application when using this circuit. The gain is way, way too high for a beverage and maybe e; /archives//html/Topband/1997-10/msg00143.html (8,188 bytes)
147. TopBand: Beverage feed line routing (score: 1): Author: km1h@juno.com (km1h @ juno.com); Date: Fri, 10 Oct 1997 10:20:38 EDT; On Fri, 10 Oct 1997 09:41:29 +0000 w8jitom@postoffice.worldnet.att.net writes: That was the answer I was looking for Tom. I build my 9:1 xfmrs with seperate ground leads but never had a BC band probl; /archives//html/Topband/1997-10/msg00157.html (10,572 bytes)
148. TopBand: Toroids For Ununs (score: 1): Author: km1h@juno.com (km1h @ juno.com); Date: Fri, 10 Oct 1997 16:24:51 EDT; There is virtually no performance difference between those values Jeff. Since it will be a very narrowband application lots of cores will work. What is the Al value of that K core? I would recommend; /archives//html/Topband/1997-10/msg00165.html (9,761 bytes)
149. TopBand: Matching/Reflection Transformers For 2-Wire Bev? (score: 1): Author: km1h@juno.com (km1h @ juno.com); Date: Fri, 10 Oct 1997 17:56:06 EDT; Misek lives 1 mile from here BTW. Lots of talk for a single 2 wire Beverage on a small lot. IMO most of his book is talk and no real tests. Those .5" pearmilibity 10,000 cores make nice dummy loads a; /archives//html/Topband/1997-10/msg00168.html (8,419 bytes)
150. TopBand: Beverage feed line routing (score: 1): Author: km1h@juno.com (km1h @ juno.com); Date: Sun, 12 Oct 1997 15:06:47 EDT; On Sun, 12 Oct 1997 07:38:42 +0000 w8jitom@postoffice.worldnet.att.net writes: To: <topband@contesting.com> Many tnx for the reply Tom; If I read the above correct : Each xfmr secondary goes to a sep; /archives//html/Topband/1997-10/msg00180.html (10,619 bytes)
151. TopBand: KH5 on 160? (score: 1): Author: km1h@juno.com (km1h @ juno.com); Date: Tue, 14 Oct 1997 08:34:51 EDT; On Mon, 13 Oct 1997 21:08:17 -0400 (EDT) Bill Tippett <btippett@CTC.Net> writes: 73 Carl KM1H - -- FAQ on WWW: http://www.contesting.com/topband.html Submissions: topband@contesting.com Administrativ; /archives//html/Topband/1997-10/msg00200.html (8,253 bytes)
152. TopBand: KH5 on 160? (score: 1): Author: km1h@juno.com (km1h @ juno.com); Date: Tue, 14 Oct 1997 10:02:32 EDT; Oh well, seems to be multiple TJ's out there ! Sorry for picking the wrong one. 73 Carl KM1H On Tue, 14 Oct 1997 07:51:32 -0400 (EDT) Bill Tippett <btippett@CTC.Net> writes: - -- FAQ on WWW: http://w; /archives//html/Topband/1997-10/msg00203.html (8,676 bytes)
153. TopBand: Toroids For Ununs (score: 1): Author: km1h@juno.com (km1h @ juno.com); Date: Tue, 14 Oct 1997 14:22:07 EDT; IMO you should always wrap with #27 tape. It provides protection from sharp edges and most important HV punch-thru. Ferrite is not an insulator The Teflon provides HV insulation and conductor spacing; /archives//html/Topband/1997-10/msg00205.html (12,470 bytes)
154. TopBand: The "original" TJ (score: 1): Author: km1h@juno.com (km1h @ juno.com); Date: Wed, 15 Oct 1997 08:58:33 EDT; Woops! I need new bifocals. The correct issue is June 1982 QST page 18. Apologies to those who couldn't find it. 73 Carl KM1H On Wed, 15 Oct 1997 05:08:54 -0400 k3ky@juno.com (David E Sinclair) write; /archives//html/Topband/1997-10/msg00211.html (7,520 bytes)
155. TopBand: Slinky's (score: 1): Author: km1h@juno.com (km1h @ juno.com); Date: Fri, 17 Oct 1997 14:25:34 EDT; ALL orders USA and foreign are shipped. Anyone not receiving them please let me know. The final # was 392 ! I hope everyones RX capability is improved this season. Still too many alligators on the ba; /archives//html/Topband/1997-10/msg00237.html (6,562 bytes)
156. TopBand: Re: (score: 1): Author: km1h@juno.com (km1h @ juno.com); Date: Fri, 17 Oct 1997 14:52:30 EDT; Thats about what I found here....after 2 months I got rid of it. Even tried it on 6M. Be interesting what you hear elsewhere. Different locations have very varying requirements...one size does not fi; /archives//html/Topband/1997-10/msg00238.html (9,612 bytes)
157. TopBand: Verticals and Horizontals (score: 1): Author: km1h@juno.com (km1h @ juno.com); Date: Sun, 19 Oct 1997 11:35:21 EDT; I've been following this thread with a bit of interest. The following has been my experience. When I moved to this hilltop QTH in 1989 I decided that I would never again use a vertical. Don't misunde; /archives//html/Topband/1997-10/msg00265.html (8,715 bytes)
158. TopBand: LowBandMonitor: Monitors Article (score: 1): Author: km1h@juno.com (km1h @ juno.com); Date: Mon, 20 Oct 1997 20:51:28 EDT; I use a NEC 20", a Mag 17" and a Zenith 17" here Dave. None of them bother the radio on any band but I did wrap the AC cords several times thru FT240-77 toroids. In the shack also is a cheapie KDS 14; /archives//html/Topband/1997-10/msg00295.html (8,167 bytes)
159. TopBand: DSP comments (score: 1): Author: km1h@juno.com (km1h @ juno.com); Date: Wed, 22 Oct 1997 10:33:21 EDT; I am forwarding this from another list. It is just about the best explanation of IF and AF DSP I have read. 73 Carl KM1H -- Begin forwarded message -- From: Ham-Equip Mailing List and Newsgroup <Ham-; /archives//html/Topband/1997-10/msg00340.html (11,935 bytes)
160. TopBand: Re: Sloped Beverage Terminations (score: 1): Author: km1h@juno.com (km1h @ juno.com); Date: Wed, 22 Oct 1997 10:33:21 EDT; Yeah, but you roll it all up during T Storm weather season Frank. I used to blow at least 4 2W carbons every summer; just from induced voltages. Finally went to three 180 Ohm 10W non-inductive in ser; /archives//html/Topband/1997-10/msg00341.html (10,689 bytes)

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