Re: Topband: Beverage up but maybe has problems comments requested
George, Thanks for taking the time reply.. and yes you understand.. like I told another respondee its about technical excellence and understanding ! Ya gotta understand why your doing something. My core was a FT114-75 and using the rule of 4 I wound 24 turns center tapped for the secondary and 8 turns for the primary (50 to 450 feed transformer) and yes the ration is the same so maybe not too far off after all. I have a large assortment of ferrites here but just didnt have the correct one for this (I would like to have had some of the ones that W8JI used) but am waiting to get enought to meet the minimum order requirements of the vendors. My gut is telling me however that the termination is not correct and I did not have time to sweep the SWR of the antenna yesterday or today. Part of my problem is that there is so much crap on the web that there is a fair amount of wrong and half right info out there. I would like to have measured the surge Z but when I tried I got a lot of BCST interference that disturbed both the MFG and AEA analyzers. Consequently I am not real sure what Z to wind the termination transformer to. Again thanks for the reply .. and thanks to all of the others who have replied Jim - Original Message - From: w4...@aol.com To: wa3...@comcast.net Sent: Saturday, December 3, 2011 8:32:04 AM Subject: Re: Topband: Beverage up but maybe has problems comments requested Guess I still don't understand, as the impedance ratio is still the same, 9:1, and hence the turns ratio is still the same also, 3:1 I think what you are driving at is to rather than making the turns one and three, to make it say, three and nine, or four and twelve... this gets more turns on the core, and can reduce variations due to physical location on the core... Often this problem takes care of itself due to the turns ratio being an odd numberlike lets say, matching 50 ohm line to say 900 ohm load... 900/50=18, and sq rt of 18 is about 4.2... well, kinda hard to get 4.2 turns, but can get 42 to 10, and that could drop to 21 to 5 for the same ratio... think you can follow the math OK,, and see how often the odd impedance matches often require the turns ratio that would meet the rule of 4 in terms of multiple turns for both primary and secondary. I really enjoy working with antennas, as that was my major interest in College... got my BSEE from Clemson in '62, now retired for 12 years, and really never did work in my field of interest. Started out with Fllorida Power Light as a protective relay engineer, then to DuPont in Textile Fibres making type 6 and type 6-6 nylon, and my last 30+ years with GE, mostly in Quality Assurance Management. Hard to realize I will be 73 soon, and retired for 12 years now... Have enjoyed ham radio since age 12-13 when assigned W4BUW. Have fun with the antenna work... I am a firm believerr in the antenna being the most important element in the station, in that it is there that you get reciprocity of gain, both in receive and transmit. Transmission line loss is often a big factor, moreson at the higher frequencies I enjoyed 160M work but am not on that band now... got my DXCC there, and that was my goal... Let me know how the toroid works out. If you have an MFJ antenna analyzer, a neat check is to take a non-inductive carbon resistor and place it as the antenna load, then check the SWR at the desired freq to see how the turns ratio came out one other factor I'm sure you know is to get the correct core material, so that it does not reach saturation, usually not a problem at the lower frequencies... If you are building a library, Amidon has a good pub, and of course there are several good ones, Sevik comes to mind... 73 GL on the antenna work!!! de George, W4BUW -Original Message- From: wa3mej wa3...@comcast.net To: w4buw w4...@aol.com Sent: Sat, Dec 3, 2011 1:07 am Subject: Re: Topband: Beverage up but maybe has problems comments requested The rule of 4 is basically to ensure there is enough inductance I think (geeze its been a long time since I studied this) but you multiply by 4 and get 1800/200. This is done with broadband tranformers but I thought it was also for conventional transformers.. evidently not - Original Message - From: w4...@aol.com To: wa3...@comcast.net Sent: Saturday, December 3, 2011 12:03:09 AM Subject: Re: Topband: Beverage up but maybe has problems comments requested Not familiar with any rule of 4, or what it means... if you are looking at a 50 ohm transmission line, and a 450 ohm drive impedance for the Beverage, then 450/50=9. Turns ration then would be the square root of 9, which is 3, or 3:1 turns ratio. Just plain olde math... 73, George, W4BUW -Original Message- From: wa3mej wa3...@comcast.net To: topband topband@contesting.com Sent: Fri, Dec 2, 2011 10:31 pm
Topband: 160 Conditions from ORG
Worst conditions in a long time last night. Worked a couple of VE2,3, 6 an 7s, KL7, KH6, all the 6's 7', and most all 8, 9, and 0s. GA, KY, TN, VA, AR, LA lone CE and XE. Didn't bother staying up or getting up for the JA openings. 45 mult's so far but only 100 Qs, usually 2-300 Qs and 55-60 first night. Big lack of 1, 2, and 3s PJs where fairly strong but I didn't break the pile ups. Hope tonight is better. Rick, N6PE = ___ UR RST IS ... ... ..9 QSB QSB - hw? BK
Topband: FW: ARRL 160
-Original Message- From: jeremy maris [mailto:jer...@maris.plus.com] Sent: Saturday, December 03, 2011 1:35 PM To: sebdesnCC Subject: Re: Topband: ARRL 160 Conditions not brilliant from G4AQG. Only worked 16 states including VE; worked into LA, TX and STX. Couldn't raise AZ but heard someone. Generally not much to be heard and overall signals were very weak compared to the last couple of years. Nothing heard this year from the north mid west, let alone west coast. Condx worse that last weekend I think. I like ARRL 160 because its a good way to get 160 WAS - hoping for ND MS and AK later this evening ( I know I'll not get HI ... ) Jeremy G3XDK/G4AQG On 3 Dec 2011, at 19:26, sebdesnCC wrote: Did not hear any in Colo... Bud W0HG On 2011-12-03, at 11:03 AM, Gary Smith wrote: Sure was little DX on this end in CT, only 8 mults 3,118 points. Much less than last year. Interesting that overall the bands have been doing nicely for DX, I'm looking forward to CQWW160 for DX. Do love the 160 contests. ___ UR RST IS ... ... ..9 QSB QSB - hw? BK ___ UR RST IS ... ... ..9 QSB QSB - hw? BK
Topband: cq 160
Been testing the inverted L that i install few weeks ago.last night work couple caribbean stations and also few north american .band been pretty noisy at this end.but this morning was less noisy. work few VE and north america pretty easy , i just run 100 watts( no amplifier ). I notice that few north american station with real good signal here (kp2 - st croix), were not copying they just keep calling without space between cq's. kp2bh/ kp2dx jimmy ___ UR RST IS ... ... ..9 QSB QSB - hw? BK
Re: Topband: cq 160
I run into that problem they just keep calling without space between cq's. often myself. My guesses are, they are either not even listening, just trying to keep their claim to that frequency by the never ending cq's. I say it that way, because they don't seem to even leave enough space between their never ending, automated cq's, to even hear a station if they was one attempting to answer. Or maybe they have some really good directional antennas and are listening towards some part of the globe I'm not on, hi hi. Then again it could be their receive capabilities are being limited by QRN/QRM that I can't hear. But it is pretty upsetting when you have waited until the big gun stations are in bed, so you will not have to compete with them in the pileups, and can hear the station calling cq so well, and yet it seems your answers to their endless calls are being ignored. You are not alone Jimmy. GB 73 K5OAI Sam Morgan On 12/3/2011 4:38 PM, james soto wrote: Been testing the inverted L that i install few weeks ago.last night work couple caribbean stations and also few north american .band been pretty noisy at this end.but this morning was less noisy. work few VE and north america pretty easy , i just run 100 watts( no amplifier ). I notice that few north american station with real good signal here (kp2 - st croix), were not copying they just keep calling without space between cq's. kp2bh/ kp2dx jimmy ___ UR RST IS ... ... ..9 QSB QSB - hw? BK ___ UR RST IS ... ... ..9 QSB QSB - hw? BK
Topband: Top band conditions suring ARRL 160
Do not give up guys, in this saturday morning in QC we had some great strong and clear signals with europe at the end of they night. In fact the ARRL 160m problem is that there are not enough participants outside NA. Even if the conditions are there, we have few people at the other side. This evening (Saturday)1 hour after my SS I got several good signals from EU that was not the case yesterday, but always the same few EU participants. The conditions can improve at any time that's the magic of the band Gilles VA2EW VE2TZT - Original Message - From: james soto kp...@yahoo.com To: topband@contesting.com Sent: Saturday, December 03, 2011 5:38 PM Subject: Topband: cq 160 Been testing the inverted L that i install few weeks ago.last night work couple caribbean stations and also few north american .band been pretty noisy at this end.but this morning was less noisy. work few VE and north america pretty easy , i just run 100 watts( no amplifier ). I notice that few north american station with real good signal here (kp2 - st croix), were not copying they just keep calling without space between cq's. kp2bh/ kp2dx jimmy ___ UR RST IS ... ... ..9 QSB QSB - hw? BK ___ UR RST IS ... ... ..9 QSB QSB - hw? BK
Re: Topband: Top band conditions suring ARRL 160
That's the one thing that irks me about ARRL 160. The reason there are not more stations outside of US participate is that this contest turns out to be an ARRL 160 Sweepstakes at least this is my opinion from the Westcoast. Stations turn on their CQ machines and make it very difficult to impossible to work anything outside the US from here. I don't participate anymore. IMHO N7RT - Original Message - From: VE2TZT ve2...@arrl.net To: topband@contesting.com Sent: Saturday, December 03, 2011 4:27 PM Subject: Topband: Top band conditions suring ARRL 160 Do not give up guys, in this saturday morning in QC we had some great strong and clear signals with europe at the end of they night. In fact the ARRL 160m problem is that there are not enough participants outside NA. Even if the conditions are there, we have few people at the other side. This evening (Saturday)1 hour after my SS I got several good signals from EU that was not the case yesterday, but always the same few EU participants. The conditions can improve at any time that's the magic of the band Gilles VA2EW VE2TZT - Original Message - From: james soto kp...@yahoo.com To: topband@contesting.com Sent: Saturday, December 03, 2011 5:38 PM Subject: Topband: cq 160 Been testing the inverted L that i install few weeks ago.last night work couple caribbean stations and also few north american .band been pretty noisy at this end.but this morning was less noisy. work few VE and north america pretty easy , i just run 100 watts( no amplifier ). I notice that few north american station with real good signal here (kp2 - st croix), were not copying they just keep calling without space between cq's. kp2bh/ kp2dx jimmy ___ UR RST IS ... ... ..9 QSB QSB - hw? BK ___ UR RST IS ... ... ..9 QSB QSB - hw? BK ___ UR RST IS ... ... ..9 QSB QSB - hw? BK
Re: Topband: Top band conditions suring ARRL 160
On 12/3/2011 7:09 PM, Hardy Landskov wrote: he reason there are not more stations outside of US participate is that this contest turns out to be an ARRL 160 Sweepstakes at least this is my opinion from the Westcoast. Yes.As a protest of scoring rules that make it an east coast works Europe and ignores everyone else contest, I'm putting in a few hours running QRP so I'm working only the west coast guys. I'll be on full time for the Stew Perry. 73, Jim K9YC ___ UR RST IS ... ... ..9 QSB QSB - hw? BK
Re: Topband: Top band conditions suring ARRL 160
Not much different for the CQ 160 either. We tried to operate it from V47 twice and we were ignored while we made huge numbers of contacts in the ARRL DX SSB test... Mike W0MU W0MU-1 CC Cluster w0mu.net On 12/3/2011 8:09 PM, Hardy Landskov wrote: That's the one thing that irks me about ARRL 160. The reason there are not more stations outside of US participate is that this contest turns out to be an ARRL 160 Sweepstakes at least this is my opinion from the Westcoast. Stations turn on their CQ machines and make it very difficult to impossible to work anything outside the US from here. I don't participate anymore. IMHO N7RT - Original Message - From: VE2TZTve2...@arrl.net To:topband@contesting.com Sent: Saturday, December 03, 2011 4:27 PM Subject: Topband: Top band conditions suring ARRL 160 Do not give up guys, in this saturday morning in QC we had some great strong and clear signals with europe at the end of they night. In fact the ARRL 160m problem is that there are not enough participants outside NA. Even if the conditions are there, we have few people at the other side. This evening (Saturday)1 hour after my SS I got several good signals from EU that was not the case yesterday, but always the same few EU participants. The conditions can improve at any time that's the magic of the band Gilles VA2EW VE2TZT - Original Message - From: james sotokp...@yahoo.com To:topband@contesting.com Sent: Saturday, December 03, 2011 5:38 PM Subject: Topband: cq 160 Been testing the inverted L that i install few weeks ago.last night work couple caribbean stations and also few north american .band been pretty noisy at this end.but this morning was less noisy. work few VE and north america pretty easy , i just run 100 watts( no amplifier ). I notice that few north american station with real good signal here (kp2 - st croix), were not copying they just keep calling without space between cq's. kp2bh/ kp2dx jimmy ___ UR RST IS ... ... ..9 QSB QSB - hw? BK ___ UR RST IS ... ... ..9 QSB QSB - hw? BK ___ UR RST IS ... ... ..9 QSB QSB - hw? BK ___ UR RST IS ... ... ..9 QSB QSB - hw? BK
Re: Topband: Top band conditions suring ARRL 160
On 12/3/2011 7:09 PM, Hardy Landskov wrote: he reason there are not more stations outside of US participate is that this contest turns out to be an ARRL 160 Sweepstakes at least this is my opinion from the Westcoast. Yes.As a protest of scoring rules that make it an east coast works Europe and ignores everyone else contest, I'm putting in a few hours running QRP so I'm working only the west coast guys. I'll be on full time for the Stew Perry. 73, Jim K9YC Not that it makes a fart in a windstorm worth of difference to the ARRL, but I have done the same, I gave a few contacts to west coast stations and will not participate in the contest. Another reason is the amount of deaf stations that seem to be on the band for this one. The ratio of S9 plus signals that cannot copy someone calling is at all time highs. Stew is the contest for 160. 73 Merv K9FD/KH6 ___ UR RST IS ... ... ..9 QSB QSB - hw? BK
