Re: Topband: Mapping ADIF and FT8

Good Job Ash and Mohamed I will sure use it for my 6m activities this year. 73's Filipe Lopes CT1ILT - CR6K F4VPX - TM3M Ashraf Chaabane escreveu no dia domingo, 3/05/2020 à(s) 15:08: > Hi All, > > Map it! is a little software that I developed for fun with Mohamed 7X3TL > dur

Topband: W8AV Triangle Array System, 3 element array

for someone who has some experience with this 3 elem triangular array, how would it be compared to my 2 elem 1/4wl space? I am not using full element elements but twisted wire on spiderbeam 18m masts. Thanks for any opinions. 73's Filipe Lopes CT1ILT - CR6K F4VPX - TM3M _ Searchable

Re: Topband: V84SAA notes and suggestions - pls take a look - it may help u to work us on 160m!

Hello Jeff, Thanks for your TIPs email, may I also ask you to listen from time to time to WEST EUROPE, Asia is really really hard from our part of the world. Thanks. 73's Filipe Lopes CT1ILT - CR6K F4VPX - TM3M k1zm--- via Topband escreveu no dia domingo, 30/12/2018 à(s) 22:58: > Hi G

Re: Topband: CB1H

Hi, What antenna for TX and RX you guys have? 73's Filipe Lopes CT1ILT - CR6K F4VPX - TM3M Marco Quijada escreveu no dia segunda, 19/11/2018 à(s) 22:27: > Hello: > CB1H will be on the air as M/S in CQWW CW contest. We try on 160 > for first time :-) > > 73, CE1T

Re: Topband: Preamp on RX antenna`s in contest environment.

: https://twitter.com/dxfmfr/status/106132375575296 if interested let me know off list. 73's Filipe Lopes CT1ILT - CR6K - CR5E F4VPX - TM3M David Cutter via Topband escreveu no dia terça, 13/11/2018 à(s) 11:41: > Cross Country Wireless pre-amp have exceptionally high IP3 using FE

Re: Topband: 160m Condx

Thanks to everyone who answered, basically I will be avoiding all /10 and /9 frequencies. 73's Filipe Lopes CT1ILT - CR6K F4VPX - TM3M escreveu no dia segunda, 12/11/2018 à(s) 19:01: > Filipe: > > In the USA and Canada: 1810, 1820, 1830, 1840, 1850, 1860, 1870, 1880, > 1890, and

Re: Topband: 160m Condx

Hi Is there a listing of such frequencies? Want to avoid those in the coming contests 73's Filipe CT1ILT CR5E CR6K Sent from my Huawei Mate 8 Na(o) Seg, 12 de nov de 2018, 17:28, Mike Waters escreveu: > I wish we could get the word out to avoid frequencies like that: 1810, > 1820, 1830, etc.

Re: Topband: phased inverted V dipoles

Filipe Lopes CT1ILT aka CR6K Sent from my Huawei Mate 8 Em 10/10/2016 10:38 p.m., "Guy Olinger K2AV" <k2av@gmail.com> escreveu: > If that were not enough, W8JI famously had a 160 dipole up 270 feet doing > A/B tests vs. his verticals, this for over a year I think. In the

Topband: phased inverted V dipoles

Hi guys We are rebuilding our station and I was thinking about putting up 2 dipoles 1/8 wavelength apart. Has anyone ever tried to phase them for example with Christman method? Thanks Filipe Lopes CT1ILT aka CR6K Sent from my Huawei Mate 8 _ Topband Reflector Archives - http

Topband: Reversible bevs WIRE

Hi guys I am thinking about doing a couple of reversible bevs and I was thinking of using this kind of cable http://uk.rs-online.com/web/p/cable-telephonique/0407010/ I have tons of it. Has anyone done some bevs with this kind of cable wire? Thanks 73's Filipe Lopes CT1ILT - CR6K F4VPX - TM3M

Topband: 2 element vertical for 80m with 1/8wavelength spacing

verticals to 3.650 MHz, if the degradation of F/B and Gain in the higher and lower parts of the band will be significant? If Yes, which is the best way to tune both in CW and SSB? Thanks in advance for help. 73's Filipe Lopes CT1ILT - CR6K F4VPX - TM3M _ Topband Reflector Archives

Re: Topband: : Re: 1 center point to ground all 8 beverages??

> relays to connect only the selected Beverage to a single ground rod. > > 73 > Frank > W3LPL > > ------ > *From: *"Filipe Lopes" <ct1...@gmail.com> > *To: *"k1fz" <k...@myfairpoint.net>, "topband" <topban

Re: Topband: : Re: 1 center point to ground all 8 beverages??

Hi guys any other suggestion? Maybe this is the reason why my EU direction bevs never worked fine... the ground rods are about 40cm from each other. What about using 1 radial in each direction attached to each ground rod? 73's Filipe Lopes CT1ILT - CR6K F4VPX - TM3M 2016-03-22 16:21 GMT+01:00

Re: Topband: Post contest season: TX antenna vs RX antenna cros-stalk. What do you do?

I am using 2xTS590 and never had any issues either. 73s Filipe CT1ILT CR6K Sent from my Huawei Mate 8 Em 24/03/2016 12:05 p.m., "Terry Posey" escreveu: > Hi Mark - > > I have not experienced K3 TX/RX antenna isolation problems with my station > configuration. I expect

Re: Topband: : Re: 1 center point to ground all 8 beverages??

. This means 2 bevs from the same point will be used, meaning 2 relays will be on... 73's Filipe Lopes CT1ILT - CR6K F4VPX - TM3M 2016-03-22 16:12 GMT+01:00 <donov...@starpower.net>: > Hi Felipe, > > As W4ZV noted in his posting, three meter ground rod spacing was > not enough when he

Re: Topband: : Re: 1 center point to ground all 8 beverages??

what about 7 ground rods 20cm apart, will it do ? 73's Filipe Lopes CT1ILT - CR6K F4VPX - TM3M 2016-03-22 14:09 GMT+01:00 K1FZ-Bruce <k...@myfairpoint.net>: > > - Forwarded message from K1FZ-Bruce - > > Date: Tue, 22 Mar 2016 09:04:06 -0400 > From: K1F

Re: Topband: CX/W1UE Tonight

Hi Dennis, In Europe you can go as low as 1.810 MHz for TX. 73's Filipe Lopes CT1ILT - CR6K F4VPX - TM3M 2015-12-10 16:07 GMT+01:00 Dennis Egan <egan.denni...@gmail.com>: > Guys > > Last night was frustrating. I know a lot of you were calling, but I was > only able to p

Re: Topband: Commond mode choke for Beverage

Thanks for this testing suggestiong Eddie, it will sure be a good way to check if it works or not. 73's Filipe Lopes CT1ILT - CR6K F4VPX - TM3M 2015-10-12 20:14 GMT+02:00 Eduardo Araujo <er_ara...@yahoo.com>: > >> With these ferrites I ask the same question, should I put th

Re: Topband: Commond mode choke for Beverage

Thanks JC, I am reading it right now, very interesting indeed. 73's Filipe Lopes CT1ILT - CR6K F4VPX - TM3M 2015-10-12 22:27 GMT+02:00 JC <n...@comcast.net>: > Hi Felipe > > > > It works like a voltage divider where the impedance to ground should be > lower as p

Re: Topband: Commond mode choke for Beverage

Thanks for this grounding tip too Jim. 73's Filipe Lopes CT1ILT - CR6K F4VPX - TM3M 2015-10-13 4:03 GMT+02:00 Jim Brown <j...@audiosystemsgroup.com>: > On Mon,10/12/2015 1:27 PM, JC wrote: > >> It works like a voltage divider where the impedance to ground should be >> l

Topband: Commond mode choke for Beverage

or near my bev switching box? Thanks in advance. 73's Filipe Lopes CT1ILT - CR6K F4VPX - TM3M _ Topband Reflector Archives - http://www.contesting.com/_topband

Re: Topband: Commond mode choke for Beverage

box. 73's Filipe Lopes CT1ILT - CR6K F4VPX - TM3M 2015-10-12 15:40 GMT+02:00 JC <n...@comcast.net>: > Hi Filipe > > Zero , you should use material #31 or #77 , The core you have is not good > for low bands. > > JC > N4IS > -Original Message- > F

Re: Topband: Commond mode choke for Beverage

Thanks Jim and all for the help. Mix #31 cores are already ordered in mouser. 73's cu on low bands Filipe LOPES CT1ILT CR6K Sent from my SAMSUNG GALAXY S4 Em 12/10/2015 17:39, "Jim Brown" <j...@audiosystemsgroup.com> escreveu: > On Mon,10/12/2015 6:51 AM,

Re: Topband: BOG antennas

I want to thank you all for the comments, I gathered all the info and will now do some testing. If this works I might even be able to put some at my contest station in Portugal CR6K. Once again thank you to everyone for sharing each one's knowledge. Happy Easter to all. 73's Filipe Lopes

Re: Topband: BOG antennas

cross 2 BOGs for 2 directions or more? will this affect the antenna pattern? I recently built an W7IUV preamp, will it be OK for the BOG ? Thanks in advance. 73's Filipe Lopes CT1ILT - CR6K F4VPX - TM3M 2015-04-01 16:43 GMT+02:00 k1fz k...@myfairpoint.net: To BOG, or not to BOG

Re: Topband: BOG antennas

Thank you Frank. Will have a look at it. 73's Filipe Lopes CT1ILT - CR6K F4VPX - TM3M 2015-04-01 16:55 GMT+02:00 donov...@starpower.net: Hi Felipe, Suggest you examine this website: http://n4dj.com/Beverage.html 73 Frank W3LPL -- *From: *Filipe Lopes ct1