another superb article, Jim. tnx!
73, w5xz, dan
On Friday, March 13, 2020, 01:52:39 PM CDT, Jim Brown
wrote:
On 3/13/2020 11:13 AM, Mikek wrote:
> advice about common mode filtering,
This ran in National Contest Journal a year or two ago.
http://k9yc.com/RXChokesTransformers.pdf
73,
agree, Henk & jim..
unfortunately, trolls are everywhere, now..
regards, w5xz, dan
On Tuesday, February 11, 2020, 04:01:57 PM CST, Jim Brown
wrote:
On 2/11/2020 1:26 PM, Henk Remijn PA5KT via Topband wrote:
> I am subscribed to this maillist to learn from others on Topband.
>
> I woul
ed: vote 2 for hiZ preamp; has been bulletproof up here.
dsw, komrade, w5xz
On Wednesday, November 13, 2019, 10:24:47 PM CST, Dennis W0JX via Topband
wrote:
Ed,
Have you considered the HiZ 75 ohm preamp? It is one of 4 recommended by John
W1FV and is very reasonably priced. It is desi
true enough. i have heard K0RF at high noon, here in north east texas 73, w5xz
On Tuesday, September 17, 2019, 08:14:58 AM CDT, K4SAV
wrote:
A few years back guys on this forum decided to see what could be worked
at noon time. There were a few stations on at that time and I worked
s
i see the same thing testing with k5lc only 2 miles away, at high noon...
> 3db variations...trees blowing in the wind ??? makes you crazy...or, crazier,
> in my case ???
73, w5xz, dan
On Thursday, September 12, 2019, 09:58:57 PM CDT, Arthur Delibert
wrote:
I certainly remember when I
Trevor, for what it's worth, I have found that not all SMPS's (switch mode
power supplies ) are the same; some of the small-ish wall warts spray tons of
r.f. hash, others, fairly quiet...one video cam supply was incredibly noisy
here; i put a spare netgear supply on it, and poof, gone.. mind y
gosh, am I the only 'old timer' who actually LIKES ft 8 ?? it has put qso's in
my top band log when the band has been really crummy...
and yes, i can copy cw...when the band is actually open...
the jtAlert chat window can make the q's more personal, if desired...
73 W5XZ, dan
On Tuesday, A
me 2...i've been using a hiZ 4square on opposite sides of my house in a small,
noisy suburban location for > 10 years...Lee IS 'da man'...i was 'an early
adopter..'
i don't keep up with the Texas, or 5 land, rural big guns, but i try, ha! at
242 worked, still a long ways from 300 since i starte
amen, Cecil..
73, w5xz, dan
On Wednesday, May 29, 2019, 5:45:49 PM CDT, Cecil
wrote:
It seems to be a recurring issue herecan’t shake the elitist attitude.
Do what you enjoy doing...don’t beat others up for doing the same...if you find
yourself alone re-evaluate...
Cecil
Sent f
as usual, I will be qrv all season. my small, noise plagued, suburban station
on 1/2 acre lot is fairly easy to maintain. My HiZ preamps have never failed
from lightning events in 10 years of use, and if my Tx marconi falls down, it's
not too difficult to shoot new ropes over 2 trees.
heavy w
the lowly Red Pitaya will do it..
73, w5xz, dan
On Sunday, January 13, 2019, 9:28:34 AM CST, Bjorn SM0MDG
wrote:
Hi gang,
Are there any resources out there listing (and comparing) dual RX SDR
receivers? I am interested SDR receivers with dual independent RX channels
synchronised pri
gotta chip in my $0.02 on this, for what little it may be worth..
i have access to some remote rural property, here in texas, and in
oklahoma..but k5rk and w7rh pointed out 'its not legal for dxcc if an Rx only
site'but RHR is ok ( ? )
the league's requirement that my transmit antenna be
agree 100% with Dr. Ofwiw
73, w5xz, dan
On Monday, August 27, 2018 10:36 PM, Dr. Wolf Ostwald
wrote:
Hello everybody !
the ham band beacons dont launch the necessary ERP. The signal from
WWV/WWVH equals that of a well equiped extra class station with power
and a yagi antenna,
JM2C...
I find WWV on 2.5 Mhz quite useful to verity the directivity of top band
receiving antennas; VERY hand for quick troubleshooting...
also, great fun seeing Luis, IV3PRK, QRV again, on FT 8..
73 all, W5XZ, dan
On Wednesday, August 22, 2018 10:55 AM, Jim Thomson
wrote:
Date: Mo
good work, don and manuel !
73, w5xz, dan
On Thursday, August 2, 2018 1:57 PM, Steve wrote:
>This reminds me of the QSOs VE7SB (I think I remember that call right) and
VK3ZL did.
Tree..it was Bob, VE7BS in Pemberton. I would often listen during their
summer dawn chats using my ICF-20
https://www.youtube.com/watch?v=eeIDXom-se4
_
Topband Reflector Archives - http://www.contesting.com/_topband
i made a short video with my cellphone a few minutes after i worked the boys,
the first night..
this, from Longview, Tx, suburbs, with my HiZ 4sq, looking southwest..
they were actually MUCH better copy than this sounds..
73, w5xz, dan
Baker is. In North east texas
|
|
|
| ||
nope, my lot is 120' x 160'...1/2 acre in suburbia...and like you, different
flavors of noise in different directions...
I DO find FT-8 hears about 10 db better than i can on cw...FWIW...
73, w5xz, dan
On Saturday, December 2, 2017 2:47 PM, Jim Thomson
wrote:
Folks on FT-8 use a 2.5
hey trevor
I just tell my 6500 to delay tx for 25 ms, to accommodate slow, cheap open
frame relays here and there..
obviously, not QSK grade solution, but'just sayin'...
73, w5xz, dan
On Wednesday, November 15, 2017 8:19 AM, MR TREVOR DUNNE
wrote:
Hi Jim
I'm trying to detune my T
I have the same experience as Dave, in recent years... though with a much more
modest antenna farm...in suburban Longview, Tx.
JM2C, w5xz, dan
On Thursday, November 9, 2017 7:30 AM, JC wrote:
>>
It seems to me that DX conditions have been pretty poor for the past 10
years on 160m
wait a minute. I think Jeff can hear ok. He heard MY puny signal on 160m...it
was not easy, but it IS possible without 10kw..
73, good luck, w5xz, dan
On Monday, October 16, 2017 10:29 AM, Victor Goncharsky via Topband
wrote:
HI Stein,
What my good old friend Saulius wants to say is
bravo, Jeff!!
73, w5xz, dan
On Friday, June 2, 2017 10:53 AM, Mark K3MSB wrote:
Thanks for that very interesting update Jeff.
May I inquire as to the reason Chak no longer has antennas at his home
JT1CO site?
73 Mark K3MSB
On Jun 1, 2017 11:27 PM, "k1zm--- via Topband"
wrote:
> Hi
pat was a great friend to me also.
he bought ALL my antennas at a fair price when I needed to move. twice!
we REALLY 'passed a good time' when we did All Asia on a whim, a couple years
ago, with N8OO.
I sure hope they have contests in heaven.
Au revoir, cher amia bientot, j'espere
w5xz, dan
k5rk, and n5dg kick my butt regular-like from that part of the state.
ck in on on4kst chat
73, w5xz, dan, in Longview
On Monday, April 24, 2017 9:57 PM, Richard Beerman wrote:
Is there anyone active on Topband in Houston, TX who monitors this reflector?
Just looking for someone locall
thanks Henk!
what are the ssb rules on 160m in Eu, pse? too bad no WAE on 160m..
73, w5xz, dan
On Thursday, September 8, 2016 8:58 AM, "kol...@rcn.com"
wrote:
Is there really a "no contest" zone in the European rules on 75 meters? Or is
this just by custom?
What they really need is
for me, the real merit of my HiZ 4sq is the ability to have some side
rejection, in addition to f / b...makes it possible to look away from
approaching storms, and hang a bit longer..
73, w5xz, dan
On Tuesday, February 9, 2016 2:40 PM, Mike Waters
wrote:
Take a look at this quote fro
how about 3 cheers for the Braveheart's skipper, Nigel, for keeping team safety
a priority?
73, w5xz, dan
On Tuesday, January 26, 2016 3:30 PM, Jim Brown
wrote:
On Tue,1/26/2016 1:09 PM, Chortek, Robert L. wrote:
> Anyone know if they were able to go back and retrieve the equipment?
>
WOW, keith! that's plenty of 'excitement'..
thanks to all, for advice and recommendations. my house was built in '94, but
outside the city limits, where 'code' gets a little sloppythough still in
an HOA / CCR subdivision...there is PLENTY of man-made crud to listen to, and
I'd just lik
ve to the earth.
73, Jim
On Fri,10/30/2015 9:58 AM, Dan Edward Dba East edwards wrote:
> ok...another thing i've wondered about...
> every bathroom and utility sink plus the kitchen have 120 vac outlet quite
> nearby..
> should i tie the green a.c. wire to the plumbing at
pipe and the power ground.
If it ain't connected, you need to get that fixed right away.
73, Guy K2AV
On Thursday, October 29, 2015, Jim Brown wrote:
> On Thu,10/29/2015 2:45 PM, Dan Edward Dba East edwards wrote:
>
>> all my plumbing is copper, hot and cold water, in the sl
all my plumbing is copper, hot and cold water, in the slab. and, i have an
outside water spigot just a few feet away from my service entrance...should I
tie it in too ??
just wondering, w5xz, dan
On Thursday, October 29, 2015 1:39 PM, Tom W8JI wrote:
>I have driven copper groun
I, for one, wonder how good my service entrance ground is...mine is probably 20
years old, and while the top looks ok, there's no way to know what's going on
down 4, 6 and 8 feet...my utlities are underground, if that means anything...
as a starting point, should a guy drive a new one? or 2 or 3,
I sure remember hearing JA7NI pounding thru on 1909..
73, w5xz
On Tuesday, December 2, 2014 3:52 AM, Petr Ourednik wrote:
Hi all,
the split JA operation schema for decades ago was:
JA TX > 1907.5 - 1912.5kHz and listen for rest or worls in between 1820
- 1825kHz.
This "JA window" 1907.5 -
I also have an issue with noise on top band. In my case, it's crud from a
local AM BCB, KEES 1430. Took forever to figure it out, but when it starts, I
put my 160m top band receiver in AM mode and can hear faint
modulation. With my HiZ 4square, ( you know, the one that's not supposed to
work
the gw8izr skimmer seems pretty good to me...dr1a also...both, better than
average, IMHO
a belgian one also ( can't remember the call..) couple in JA also..
73, w5xz, dan
On Tuesday, August 19, 2014 4:33 AM, Mike Waters wrote:
When I last investigated, all the skimmers and Web SDRs that
alexey
yes, i understand the thinking, re JT-9 / JT-65; "best QSO you never heard" as
W4ZV said...
and, 'if i did not hear it with my ears, it does not exist, I can not work it,
it doesn't count' also..
still, ARRL DXCC desk doesn't care what mode we use, right? sowhat the
heck?
as jim,
greetings
to pass the time through the summer doldrums, I've been playing with weak
signal digi-modes. Near sunrise, am having fair luck to VK, w jt-65...
VK3XQ comes through almost every day..
but, at Eu sunrise, my cq's go un-answered, even with kw power. Is the band
really THAT bad to Eu,
I too will surely miss bobby; we had a lot of fun making contacts almost all
summer long, for several
seasons. He nearly always heard my 'wet string' short tx marconi. His
expertise with GS35b's was well established, and he shared freely all
relevant technical advice.
RIP VK3ZLW5XZ, da
I miss Earl too...he always told me I was loud...HE was always loud, and
usually working somebody i couldn't hear...he also did some great work with
Flags, early on...
73, w5xz, dan
--- On Fri, 5/31/13, Carl wrote:
From: Carl
Subject: Re: Topband: PHASING SHUNT FED TOWERS
To: "Jon Zaimes AA1K
very sad..." dump it in..." he used to say, when he knew there was a pileup
for him.. he was almost always real loud...and quickly drew a crowd...told me
once he enjoyed listening to 'The Louisiana Hayride' on the AM BCB many years
ago...
please advise the family Pieter will be missed around th
I wonder.Is there is a simple way to compare the field strength of an FCP
with my current NON dense and uniform ground system, and draw reasonably
accurate conclusions about efficiency improvements ??
my suburban lot is small, and i would prefer to make the measurements on my
property;
--- On Thu, 6/7/12, dan edwards wrote:
From: dan edwards
Subject: W5DC, SK...
To: dan.n.edwa...@sbcglobal.net
Date: Thursday, June 7, 2012, 3:28 PM
W5DC, Duncan Carter. SK 6 / 6 / 12
He earned a B.S. in Electrical Engineering from L.S.U and
also studied at MIT and S.M.U. He received severa
whatever happened to the 'old way' of measuring ground loss?
back in the 80's we would look up the predicted impedance from LaPort,
then measure it as accurately as possible with a General Radio 1606..and
figure the difference is 'ground loss'...
today, with better software ( EZNEC5 ), we can m
wow, the op on 160m is doing a < GREAT > job... not sending too
fast...listening carefully...not quitting...looking for stateside at the right
time...
pretty good signal this a.m. in north east texas on a noisy 1/2 acre sububan
lot..
73, w5xz, dan
__
I am beginning a Waller Flag Wiki, for those who are interested..
trying to tie together several sources, and provide some information.
http://thewallerflag.wikispaces.com/
and, no, my 'mini stealth version' is not working well, yet.but it's close
73, W5XZ, dan
_
rich
while it was not a driven array, we tried a parasitic one. we had 3 1/2 wave
slopers up at w5wmu...the guy wires on the 200' tower were NOT broken up,
though, so, i hung the dipoles 1/2 way between the guys..cut the feedlines like
the old K1THQ 5 sloper system from yesteryear..worked
Dick dodged the bullet by being on vacation down at the gulf coast, when allthe
tornadoes blasted throuigh Alabama recently.
Dick is another top band die hard, who is on almost every morning...
73, w5xz, dan
___
UR RST IS ... ... ..9 QSB QSB - hw? BK
Tac San in a lowband diehard, like a lot of us. just got this today. glad to
knowhe is ok..
73, w5xz, dan
--- On Mon, 5/2/11, dan edwards wrote:
From: dan edwards
Subject: Fw: RE: ja7qvi de w5xz
To: dan.n.edwa...@sbcglobal.net
Date: Monday, May 2, 2011, 9:22 AM
--- On Mon, 5/2/11, TAC ja7qv
thats interesting. I find the CURRENT at the base of a short verticalis
remarkable at legal limit power levels. extra care to use a relativelyhi Q
inductor ( or inductors ) seems useful, with less power wastedas heat..
73, w5xz, dan
--- On Thu, 3/31/11, GERRY wrote:
From: GERRY
Subject: Re:
oddly enough, I found some 'Direct TV High Definition' RG-6 that has a solid
coppercenter conductor. it seems to behave better at low frequ's than the
copper cladsteel. less loss and closer to 75 ohms Zo. ( i get 79 ohms on 160m
with my VNA )
Zo seems to rise as you down in freq. less so with t
50 matches
Mail list logo
