Topband: K9AY minimum spacing from TX

Hi All, How far should a K9AY be spaced from resonant antenna? I presume there is no impact from nearby trees. Please advise. -- Ash ~ 3V8SS/KF5EYY http://www.kf5eyy.info/ _ Searchable Archives: http://www.contesting.com/_topband - Topband Reflector

Re: Topband: Array of MiniWhips?

to look at. 73, de steve ve6wz On Feb 19, 2022, at 1:25 AM, Ashraf Chaabane wrote: Hi All, We recently built a couple of PA0RDT MiniWhip antennas that worked fine on low bands (seehttp://www.kf5eyy.info/technical.htm) and we wonder if these were used by anyone to make a steerable array

Topband: Array of MiniWhips?

Hi All, We recently built a couple of PA0RDT MiniWhip antennas that worked fine on low bands (see http://www.kf5eyy.info/technical.htm) and we wonder if these were used by anyone to make a steerable array. Please advise. 73 Ash 3V8SF 3V8SS www.kf5eyy.info _ Searchable

Topband: Audio Library

Hi Folks, I wanted to share my 160m audio library (a recording per DXCC worked): http://www.kf5eyy.info/topband_audio.htm It is amazing what could be done with 100W on TB! 73 Ash 3V8SF 3V8SS www.kf5eyy.info _ Searchable Archives: http://www.contesting.com/_topband - Topband

Topband: Mapping ADIF and FT8

Hi All, Map it! is a little software that I developed for fun with Mohamed 7X3TL during Covid-19 lockdown time for mapping ADIF files and FT8 RXed log into a rectangular map with Great Circle lines and some other information display. The FT8 plots are color-coded according to the highest

Topband: 3V8SF CQWW 160 CW Audio

Hi Topbanders, If we QSOed during CQWW 160 CW last weekend, you can hear your received signal on my website using the callsign search tool. Long Life, CW! 73 Ash KF5EYY 3V8SF 3V8SS www.kf5eyy.info _ Searchable Archives: http://www.contesting.com/_topband - Topband Reflector

Topband: 7X7X LotW & Story

Hi all, 7X7X log is now uploaded to LotW! A put the DXPedition story in my website at www.kf5eyy.info Thanks for the QSOs! Thanks to NCDXF, LSDXA, MDXC and the individual hams who supported. 73 Ash KF5EYY 3V8SF 3V8SS www.kf5eyy.info _ Searchable Archives:

Topband: 7X7X ClubLog

Hi All, Thanks for the QSOs on Low Bands. It's been a great activity and we're probably going back again next year insh'Allah. I just fixed bugs in the log and re-upload it to ClubLog. Please check your QSOs and let me know should there be any others to fix. 73 Ash KF5EYY @ 7X7X 3V8SF

Re: Topband: 7X7X - Low Bands Focused DXP

essage- > From: Topband [mailto:topband-boun...@contesting.com] On Behalf Of Ashraf > Chaabane > Sent: Tuesday, December 17, 2019 9:46 AM > To: topband@contesting.com > Subject: Topband: 7X7X - Low Bands Focused DXP > > Hi All - > > Three members of the "Association de

Topband: 7X7X - Low Bands Focused DXP

Hi All - Three members of the "Association des Radio Amateurs Tunisiens - ARAT" are traveling to Algeria to conduct a joint Low Bands DXpedition with five members of the "Amateurs Radio Algeriens - ARA" from December 28th 2019 to January 2nd 2020 during which the operators will be focusing on

Topband: Network of BOGs

Hi all, I herein (http://www.kf5eyy.info/topband.htm) publish info on the network of BOGs I use for RXing. You can also take the opportunity of visiting my website to listen to some of my recorded QSOs: http://www.kf5eyy.info/topband_audio.htm 73 Ash 3V8SF 3V8SS www.kf5eyy.info

Topband: CQ 160 CW 2019 Results - 3V8SF winning SOLP World

Hi All, The results of CQ 160m 2019 have been published and I'm happy to report that I won the SO LP Category in the CW leg. My story with 160 started with the 3V3S (2009) activity I conducted with a German team who put up a ground plane for 160 on the roof of 3V8SS shack. The antenna was

Topband: 160m DXCCs issued? (wb6r...@mac.com)

Hi Steve, I did receive my Certificate #3260 for 3V8SF on Feb 5th 2019. 73 -- Ash ~ 3V8SS/KF5EYY http://www.kf5eyy.info/ Phone/SMS/Whatsapp: (+216) 22670026 Skype: kf5eyy _ Searchable Archives: http://www.contesting.com/_topband - Topband Reflector

Re: Topband: 4 Square Receiving at 3V8SF

Thanks Clive! I did a F/B test towards the TX ant and the F/B is indeed 5 db less. I may need to think of that solution. 73 Ash 3V8SF -- Original Message -- From: "Clive GM3POI" To: "Ashraf Chaabane" Sent: 02/03/2019 12:32:02 Subject: RE: Re[2]: Topband: 4 Squar

Re: Topband: 4 Square Receiving at 3V8SF

Clive, The vertical is 130m away from the array center. I'm presuming this is a good distance to avoid interaction. 73 Ash 3V8SF -- Original Message -- From: "Clive GM3POI" To: "Ashraf Chaabane" ; topband@contesting.com Sent: 02/03/2019 11:54:48 Subject: R

Topband: 4 Square Receiving at 3V8SF

Hi guys, I built a 4 Square Receiving Array for 160m at 3V8SF. I put details in my website: http://kf5eyy.info/topband.htm The achieved F/B so far is 20 db and the F/S is 19 db. There is still room for improvement with better matching of the elements. I'll need time to do that. Thanks to

Topband: CQ London

Hi all, I will be in London from Dec 3rd to 7th insh'Allah. If someone is interested in an eye ball (160m) QSO, please drop me a line in private. 73 -- Ash ~ 3V8SS/KF5EYY http://www.kf5eyy.info/ Phone/SMS/Whatsapp: (+216) 22670026 Skype: kf5eyy _ Searchable Archives:

Topband: Low bands DXing group on Telegram

Hi all, I’m not sure if there is a low bands chat group on any of the chat apps (please advise). I herein suggest to have a chat group on Telegram application. Anyone with an Android or iOS mobile would have access to the that chat group. I know most of the lowbanders want to be old fashioned

Re: Topband: Beverage F/B using oscillator

Greg, I re-did the exercise at 470m distance from both ends of the beverage and the F/B has increased to 7db. I was tired to go further in a VERY muddy ground but I will test again at near-field edge (around 840m) when it gets drier. Thanks 73 Ash 3V8SF www.kf5eyy.info Message: 2 Date:

Topband: Beverage F/B using oscillator

Hi All, I used a 1.843 oscillator to check NA beverage F/B. The mesurements were taken 160m away from each end of the antenna. Noise level was constant. I had 4 dB difference between front and back signals. Is that what I should expect? Is 1 wavelength distance enough to do this experience? This

Topband: Topband sesson looking good

Ray, Try tonight and/or tomorrow night. I worked CA two weeks ago. 73 Ash 3V8SF www.kf5eyy.info -- Sent from Gmail Mobile _ Topband Reflector Archives - http://www.contesting.com/_topband

Topband: Help on 3V8SF Toploaded Vertical - THANK YOU

Hi all, The toploaded vertical is up and running. I had to put the antenna wire 1.5m away from the mast which was making the SWR curve weird. Then everything went good after hairpin match adjustment! I put in my website a map of the QSOed stations last night with 100W CW. The antenna worked

Topband: Toploaded vertical - SWR

Hi all, I just finished setting up my vertical antenna for 160 in 3V8SF location. It is 17m (55 ft) long with 2 top loading wires 12m each (40ft), angle to vertical about 40 deg. I added 8 radials, 20m each (65ft). With no shunt matching, the SWR at antenna base is 3.2 and at radio side is

Re: Topband: Beverage Antenna Tuning

youngsters). I hope we will be ready with strong 100W signals this winter! 73 from Tunisia Ash 3V8SS/KF5EYY www.kf5eyy.info -- Original Message -- From: donov...@starpower.net To: topband@contesting.com Cc: "Ashraf Chaabane" Sent: 04/07/2018 19:00:33 Subject: Re: Topband: Bevera

Re: Topband: Beverage Antenna Tuning

moisture level changes, like after rain or such, > will affect readings too. > > I would do optimization only if this installation was permanent and you > have > the time and tools available. > > 73 Mark, PA5MW > > > > -Original Message----- > From: Topband On

Topband: Beverage Antenna Tuning

Hi All I measured the SWR in my beverage antenna; the SWR fluctuates between 1.5 and 3 in a range of 1.8 to 7 MHz. (See: https://drive.google.com/drive/folders/0B9AtNpPfAOUMRDNsaXROMG1VUTg?usp=sharing ) I know SWR should not vary too much. However, some people are suggesting adjusting the

Re: Topband: Propagation on 160

(where the beverage is). I should be ready with that and another beverage to AS by the time propagation improves. 73 Ash 3V8SS/KF5EYY -- Original Message -- From: "David Olean" To: "Ashraf Chaabane" ; topband@contesting.com Sent: 30/05/2018 15:35:30 Subject: Re: Topband

Topband: Propagation on 160

Hi All, I set up a 260m long beverage beaming NA back in March. The height from ground was 1m. It performed well (RBN spots of US stations). I dismantled it then re-installed it two weeks ago at 2m high. But I almost can't have any US station reported. Is it a matter of poor propagation these