That’s standard F/H.
If they put your call in the queue, and your transmission times out (or you
quit calling), the software activates your transmitter. In effect you had
already worked him (you just didn’t know it yet) - not really but sort of.
73,
Bob/AA6VB
Robert L. Chortek
> On Nov 6,
I was our for a bike ride up to Mt. Hamilton Observatory today in the East
hills of San Jose and came upon an antenna on a ridge made of what appeared to
be Rohn 25 maybe 100 feet tall with three top loading wires slipped down at
about 30 degrees.
The antenna looked absolutely fabulous.
Anyone
I’ve made a few FT8 Q’s and really enjoyed setting up the system and getting it
to work. That was great fun! Now I find it very unsatisfying and the “click
and wait” to see if I worked the station pretty dull.
I have nothing against the mode and don’t want to “fight the future” but, for
me,
VK9NI had a very nice signal on the West Coast today and lots of stations made
it into the log on 160.
Very good propagation this morning.
73,
Bob AA6VB
Sent from my iPhone
_
Searchable Archives: http://www.contesting.com/_topband - Topband Reflector
Not enough coffee this morning - yet!
Sent from my iPhone
> On Apr 10, 2019, at 6:24 AM, Chortek, Robert L.
> wrote:
>
> VK9NI had a very nice signal on the West Coast today and lots of stations
> made it into the log on 160.
>
> Very good propagation this morning.
&g
I plan to be on 160 all Spring so if you are DX please answer my CQ!
Bob
AA6VB
Sent from my iPhone
> On Apr 13, 2019, at 7:55 AM, Mark K3MSB wrote:
>
> Joel is right; all my 160M antennas went down 2 weeks ago.Grass to mow
> etc.
>
> 73 Mark K3MSB
>
>> On Sat, Apr 13, 2019 at 10:41 AM
till seem to hear better than I get out with 500W.
>
> Wes N7WS
>
>> On 4/13/2019 7:57 AM, Chortek, Robert L. wrote:
>> I plan to be on 160 all Spring so if you are DX please answer my CQ!
>>
>> Bob
>> AA6VB
>>
>> Sent from my iPhone
>>
Fellow Topband Aficionados -
Question about wire layout in a elevated counterpoise system.
My top loaded vertical stands right next to the house on the far side of our
tiny suburban lot. The radials slope upward from the base at 3’ feet to the
roof at about 10 feet, make a 90° turn and then ru
I’ve been calling CQ almost every morning from the black hole of California.
Propagation to EU from here has been very poor this year but the RBN shows I’m
being heard in JA, Asia and Oceania but I rarely get a reply. Granted, I don’t
hear well (since I live in a subdivision in San Jose with
Hi Mike,
I respect that, but I’d guess the aging population of Topband Ops only explains
a small part of the lack of CW activity.
73,
Bob
AA6VB
Sent from my iPhone
On Apr 22, 2019, at 1:56 PM, Mike Waters
mailto:mikew...@gmail.com>> wrote:
On Mon, Apr 22, 2019 at 3:50 PM Chortek, Ro
Pete,
I’m using a a top loaded vertical with 12 elevated 1/8 wave radials with an
isolation transformer at the feed point. I have no basis for comparison BUT I
have no trouble being heard in JA, VK, DU, etc. running legal limit. Resonant
elevated radials (counterpoise) are not required for go
I am going to add what may be a meaningless post to this thread.
I live on a 1/4 acre lot in the black hole of San Jose California. Until very
recently I was using a base loaded 1/8 wave vertical for 10 years. The vertical
is on the side of the house 10 feet from the property line. I run eight 1
I’ve got an unterminated 300’ foot beverage about 36” high.
WorkS GREAT so I respectfully disagree with the implication a beverage much
shorter than 1-2 wavelengths means you should use something else.
I’ve got multiple rx antennas and that short beverage is the best one,on
average, in its fav
osoft.com/fwlink/?LinkId=550986> for Windows 10
From: Chortek, Robert L.<mailto:robert.chor...@berliner.com>
Sent: Thursday, August 1, 2019 2:40 PM
To: Drew Vonada-Smith<mailto:d...@whisperingwoods.org>
Cc: topband@contesting.com<mailto:topband@contesting.com>
Subject: Re: Topb
> On Nov 19, 2019, at 10:58 AM, Tree wrote:
>
> ”In other news - the band has been open to Europe the past few mornings here
> in Oregon. Likely - these openings will be good for the next couple of
> months. They only occur during low sunspot activity - so get on the air
> and enjoy them.”
Short beverages can do absolute wonders! I’ve got one 300’ long and 3’
high running N/S and have worked dozens of station I could not hear on any
other antenna!
73,
Bob AA6VB
Robert L. Chortek
> On Nov 22, 2019, at 1:37 PM, fmoeves wrote:
>
_
Searchable Archives: ht
> On Nov 24, 2019, at 10:47 AM, David Olean wrote:
>
> . until my sunrise arpund 1200, I did a fair amount of
> listening but heard very little in the way of Pacific DX. I was
> operating un assisted so do not know who was QRV, but tuning across the
> band produced only two HI stations hear
I don’t think it matters what label we use as long as we correctly understand
its electrical properties.
AA6VB
Bob
Robert L. Chortek
> On Dec 2, 2019, at 3:13 PM, Mike Smith VE9AA wrote:
>
> [External Email]
>
> K2AV says ".BOG is not a Beverage. So don't think about or treat a BOG lik
Please don’t laugh at my puny numbers.
This season I have worked 5 European stations from my noise challenged postage
stamp lot in San Jose. The last time I was able to hear and work a European
station at my QTH was 2009.
I’ve worked more DXCC entities on 160 this year than I have in any sin
On Dec 15, 2019, at 3:32 AM, Bill Tippett wrote:
>
> ”... the great conditions of 2009 were
> actually SLIGHTLY AFTER the cycle 24 minimum in December 2008. If the new
> minimum is as forecast in April 2020, it could be that the best conditions
> will be slightly past that minimum (i.e. during
Easy!
Get a 60’ Spiderbeam Fibeeglaas pole. Run a wire up the side and top load it
with two 44’ wires running out at 45 degrees or less.
Use an isolation transformer at the base and
Run it against 8-12 1/8 wave elevated radials. Match with a 32/50 Ohm UnUn.
Mine was so easy to install I was
I meant 45 degrees or more
Bob
Robert L. Chortek
> On Dec 15, 2019, at 6:52 PM, Chortek, Robert L.
> wrote:
>
> Easy!
>
> Get a 60’ Spiderbeam Fibeeglaas pole. Run a wire up the side and top load it
> with two 44’ wires running out at 45 degrees or less.
erect, with
considerable effort, stress and cussing (on my part). The spiderbeam was a
“piece of cake”!
73,
Bob AA6VB
Robert L. Chortek
> On Dec 15, 2019, at 7:51 PM, Richard (Rick) Karlquist
> wrote:
>
> [External Email]
>
>> On 12/15/2019 6:52 PM, Chortek, Rob
Cecil,
I’m just shy of 62 and agree with you 100 percent!
73,
Bob AA6VB
Robert L. Chortek
> On Jan 11, 2020, at 8:55 AM, Cecil wrote:
>
> [External Email]
>
> That’s all fine and good but that’s clinging to the assumption that these are
> mindless younger hams that at some point will get
I live in California (and have for my entire life). Practiced law for nearly 35
years.
The California legislature is filled with decent, and well intentioned public
servants who are also naive, lack perspective and business sense, and don’t
have a clue about the big picture or unintended conse
Good Day!
Does anyone know the radiation resistance of a 55 foot vertical #12 wire, top
loaded with 2 41 foot #14 wires sloping at 45°, with their ends at 35 feet?
I’m curious about the efficiency. The fee point impedance is 29.7 ohms, and I’m
using eight 1/8 wave elevated radios at 10 feet.
wire with base 10' above earth and eight 67' radials at
10' the radiation resistance is 5.3 ohms.
73, Dave KH6AQ
On Sat, Mar 7, 2020 at 8:59 AM Chortek, Robert L.
mailto:robert.chor...@berliner.com>> wrote:
Good Day!
Does anyone know the radiation resistance of a 5
Good Evening,
I’ve just downloaded the demo version of EZNEC and I am working through the
tutorials. I’m trying to model a vertical with four elevated radials on 160
m. The problem I’m having is I can’t figure out how to separate the radials
from the vertical and put the source at the base of
Robert L. Chortek
On Mar 9, 2020, at 8:07 PM, Mike Waters wrote:
[External Email]
There are some .ez antenna files included. One of them is a vertical with a
ground plane, which you can customize.
73, Mike
W0BTU
On Mon, Mar 9, 2020, 10:03 PM Chortek, Robert L.
mailto:robert.chor
A quick question for the collective wisdom on this esteemed reflector:
How would one categorize the quality of ground consisting of grass. For
example, if you live next to a large (many acres) open space made entirely of
well watered grass, would that qualify as “average ground“, “above average
ou trying to do that you need to know?
>
> Dave
> NR1DX
>
>> On 3/23/2020 6:01 PM, Chortek, Robert L. wrote:
>> A quick question for the collective wisdom on this esteemed reflector:
>>
>> How would one categorize the quality of ground consisting of grass.
Thank you all for your very helpful and informative responses.
Thanks to everyone for taking the time to respond.
Much appreciated!
73,
Bob/AA6VB
Robert L. Chortek
_
Searchable Archives: http://www.contesting.com/_topband - Topband Reflector
Does anyone know the choking impedance of the line isolator? Can’t find it on
the web and the dealer refused to tell me.
Tnx es 73,
Bob/AA6VB
Robert L. Chortek
_
Searchable Archives: http://www.contesting.com/_topband - Topband Reflector
“How does a 250 ft long, BI-directional beverage even work? Thats only .5
wavelength long on 160m,
and only 1 wavelength long on 80m.“
At my QTH a 300’ unterminated beverage at 3’ is FABULOUS on 160 meters. It’s a
true marvel. I can hear signals buried in the noise on my other RX ante
Also Gentlemen,
These modes are NOT mutually exclusive.
During the Fall/Winter/Spring I spend a lot of time on 160 and 80. My station
is located in the City of San Jose on a 1/4 acre lot. Much local noise so
while my signal is pretty decent I don’t hear very well.
I tune the band looking f
I just finished installing a two element vertical array on 40M. The
instructions say to bond the radials from one vertical where they intersect
with a radial for the other vertical.
My question is, is this really necessary and what effect would doing so (or
not) have on the performance of the
I’ve got a 330’ unterminated beverage 3’ high which is a fabulous performer!
As Gary (NI6T) said, “whatever the limitations, put up a beverage”.
73,
Bob/AA6VB
Robert L. Chortek
> On Jan 5, 2021, at 3:34 PM, Jim Brown wrote:
>
> [External Email]
>
>> On 1/3/2021 12:01 PM, w3...@roadrunner.c
How much return loss is acceptable certainly does “depend”.
I’ll throw in another consideration to further complicate matters:
The higher the VSWR, or lower the return loss, the more power is lost in the
cable due to the mismatched condition.
How much power is lost depends on the type of cabl
THANK YOU JOE! That pretty much captures the debate.
73,
Bob/AA6VB
Robert L. Chortek
> On Mar 9, 2021, at 7:27 AM, Joe Subich, W4TV wrote:
>
> [External Email]
>
> Oh PLEASE! You sound just like AM phone operators when SSB came
> along. And spark operators when CW started to replace it.
,
Bob/AA6VB
Robert L. Chortek
On Mar 9, 2021, at 8:04 AM, ok1tn wrote:
[External Email]
FT4 FT8 is just a computer game. It's not a ham radio
OK1TN
--
73 Slavek Zeler
-- Původní e-mail --
Od: Chortek, Robert L.
Komu: Joe Subich, W4TV
Datum: 9. 3. 2021 16:31:21
Předmě
I’ve got multiple (4)Spiderbeam fiberglass poles up to 60’ tall. With proper
guying, I’ve never had a failure. I also find the poles to be very well
balanced. I was able to erect a 60’ pole to make a top loaded 160 meter antenna
by myself. I think they are a great product. Proper buying is r
Oh, and I should have added it’s critical to mount the hose clamps correctly
and NOT to over-tighten them. They can place tremendous pressure on the
fiberglass and cause failure if not installed properly.
73,
Bob/AA6VB
Robert L. Chortek
> On Mar 10, 2021, at 9:29 AM, Chortek, Rober
Hoping to get some guidance from the antenna gurus here.
I’ve just built a 43’ vertical (14 GA THHN) supported by a Spiderbeam pole.
It’s base loaded and my RigExpert shows total loss, not counting Rrad, of 33
Ohms. It’s roughly 33 efficient.
Can someone tell me if I added two top hat wires 1
I would like to thank everyone who responded. It’s all very helpful.
43’ was chosen for a variety of limitations associated with my 12,000 sq. ft.
lot.
I already have a 60’ top loaded vertical for 160 and had a 40’ Spiderbeam pole
laying around which I mounted on a 3’ pole.
While 66’ would c
long. (If not
>> for darn HOA's . . . )
>>
>> With these longer poles, the top-hat wires should not exit from the top;
>> these poles are too thin.
>> Drop down one segment and connect the top-hat wires there.
>>
>> 73 - Rick, DJ0IP
>> (Nr
I have 300 foot unterminated beverage mounted at 3 feet on the fence behind my
yard which extends behind two neighbors’ properties. Works GREAT!
Due to certain complications, I will need to turn antenna into a combination
standard beverage, and beverage on ground.
The antenna will remain at 3
Hi Bill,
Agree 100 percent
Politics has no place here. And while also I certainly have opinions on the
current topic, and many others, can you imagine what a mess this would be if we
all started sharper political opinions here - even if only related to ham radio?
Bob/AA6VB
Robert L. Cho
Not to hijack the thread, but anyone have a general idea how much improvement
one would get by going from 8 to 12 gull wing resonant elevated radials on a
60 foot base loaded vertical?
73,
Bob AA6VB
>
> N7LF's work also shows that more elevated radials are better than
> fewer. Since the loss
This one is AWESOME:
"In days of old when ops were bold
and sidebands not invented,
the word would pass by pounding brass
and all were well contended."
(author unknown to me? would like to know where it came from)
Thanks Raoul (ZS1REC),
73,
Bob/AA6VB
All good topband ops know how to put up a
Don,
Others are far more knowledgable than I, but top loading has less loss than
base loading so the L should perform better, all else being equal.
That said, I have been using a 60' base loaded vertical with 8 elevated radials
and have 136 countries from a 1/4 acre city lot in the black hole o
Hi Jim
I use a telescoping fiberglass pole with a 34 foot wire inside for 40 meters
and run a 23 foot wire up the outside for 30 meters with both wires connected
together at the base and fed there against ground radials. It works fine.
Seems like a "scaled up" version for 160 /80 ought to wor
Tom,
Thank you for providing this information.
Your time is valuable and we all appreciate your input on these (and countless
other matter)!
73,
Bob AA6VB
Sent from my iPhone
> On Nov 17, 2013, at 10:55 AM, "Tom W8JI" wrote:
>
> The most frequent problem (by far) with good noise canceller
Good Morning,
I am finally getting around to detuning my 160/80 meter vertical on receive and
plan to use a simple 12v relay to turn off the power to the antenna switch and
the DXE Time Variable Sequencer to make sure the on/off timing is correct.
Before I go down that road, does anyone have
ut.
73,
Bob/AA6VB
-Original Message-
From: Tom W8JI [mailto:w...@w8ji.com]
Sent: Sunday, December 08, 2013 10:24 AM
To: Chortek, Robert L; topband@contesting.com
Subject: Re: Topband: Detuning TX Antenna
> I am finally getting around to detuning my 160/80 meter vertical on
> receive an
Hello Fellow Topbanders -
We are about to embark on a front yard landscaping project at our home on a
tiny 12, 500 sq. ft. lot.
It occurred to me this would be an excellent opportunity to put down a large
number of buried ground radials BUT, they would only cover about 90 degrees of
the compa
Thanks Eddy,
Rudy's work is excellent and I've studied much of it in detail!
My question, in-artfully posed, related to the impact of the house on a ground
radial system, not elevated vs . Ground radials.
All the best!
HNY
Bob AA6VB
Sent from my iPhone
> On Jan 7, 2014, at 7:26 AM, "Eddy
Thanks to everyone who provided very helpful advice. I've tried to respond to
everyone individually, but in case I missed anyone - thank you!
I'm on the fence about changing the radial system. I'll probably lay down the
radials when we do the landscaping "just in case" and before "it's too
GM
I worked the HS0 for a new one (139) this morning BUT my log just crashed and I
forgot his suffix. Did anyone else work him and know the full call?
Please help.
Thanks!
Bob
Sent from my iPhone
_
Topband Reflector Archives - http://www.contesting.com/_topband
Forgot to add my call - AA6VB
Sent from my iPhone
> On Jan 25, 2014, at 7:40 AM, "Chortek, Robert L"
> wrote:
>
> GM
>
> I worked the HS0 for a new one (139) this morning BUT my log just crashed and
> I forgot his suffix. Did anyone else work him and know
Thinking about a simple 30-160 meter vertical system with minimal compromises:
60 foot tapered aluminum 1/4 wave in 80, plus,
Run two 1/4 wave wires from the base to standoffs mounted at the appropriate
heights, plus ,
Another wire from the base to the top with a standoff mounted there and thre
Log through 2/1/14 13:59 UTC
Sent from my iPhone
> On Feb 1, 2014, at 2:03 PM, "Tree" wrote:
>
> This does not appear to have any of the QSOs made "tonight" their time
> (none of the West Coast QSOs made this morning on 160 or 80 are here).
>
> Tree N6TR
>
>
>> On Sat, Feb 1, 2014 at 1:59 P
You need to add a "no plasma tv" clause to your lease!
Sent from my iPhone
> On Nov 18, 2016, at 1:24 PM, Will Angenent wrote:
>
> I happen to be his landlord also.
> Now back to the farther neighbor who has a "growing" light. hi
>
> Will
> K6ND
>
> Sent from my iPhone
>
>> On Nov 18, 2016,
Their license was apparently approved and issued by the wrong governmental
department.
73,
Bob AA6VB
Sent from my iPhone
> On Dec 6, 2016, at 6:42 AM, Johann Bruinier wrote:
>
> Does anyone know the reason(s) for ARRL's withholding the approval for the
> excellent ET7L operation?
>
> A
I bought one and read it. Perfect condition. I'll sell it to anyone in the
Continental USA delivered for $20.00.
73,
Bob AA6VB
Sent from my iPhone
> On Jan 14, 2017, at 2:16 PM, Doug Turnbull wrote:
>
> Dear OMs,
> I just received notification that the second edition of DXing on the
I rarely weigh in these debates (and don’t even know what these digital modes
are except in the most general terms) but I don’t see any movement whatsoever
to (a) require folks to use digital modes, or (b) prevent folks from using the
traditional modes they enjoy have enjoyed for years.
I just
I found conditions very poor and even on 80 no EU heard at my station in San
Jose, California.
Bob AA6VB
Sent from my iPhone
On Nov 27, 2017, at 5:57 AM, MR TREVOR DUNNE
mailto:ei2...@eircom.net>> wrote:
Hi All
First time to give 160 a good go during CQ WW and I was surprised how few NA
sta
What do you mean? This actually works great! I am a bata tester and have
worked 297 DXCC Country’s on Topband since February 18th alone!
73,
Bob AA6VB
Sent from my iPhone
> On Apr 1, 2018, at 1:07 PM, AB2E Darrell wrote:
>
> Happy April Fool's Day folks!
>
> 73 Darrell AB2E
>
>
>
> __
A short vertical with top loading over an effective ground can be in this
extremely effective antenna
Sent from my iPhone
> On Jun 13, 2018, at 10:33 AM, F Z_Bruce wrote:
>
>
>
>
>
>
>
> As in ARRL literature, even as short antenna in a great ground plane can be
> very effective
A short top loaded vertical over an excellent ground will put out a fabulous
signal on 160!
Sent from my iPhone
> On Jun 13, 2018, at 11:29 AM, C Allen Baker via Topband
> wrote:
>
> Glad the are going at this time.
> A group of experienced ops and the great preparation will ensure beau coup
Not to hijack the thread, but...
My Hi-Z Array works reasonably well in 160 (despite being only 40’ per side)
and very well on both 80 and 40. It has allowed me to work many countries on
80 and 160 I would not otherwise have been able to hear.
To me, it was worth the effort.
73,
Bob AA6VB
I looked into this some years back and was advised NOT to mix ground and
elevated radials. Can’t recall why.
My elevated radials are bent in every possible direction, and cover only about
120 degrees of the compass. Still, I’ve managed to work 147 countries on 160
and over 200 on 80 from a 11
Does anyone know how much power would be lost if a resonant antenna with an
Impedance of say, e.g. 36 Ohms is fed with 50 Ohm coax? Is there a good
source where I could look up this kind of information?
Thanks!
Bob/AA6VB
_
Searchable Archives: http://www.contesting.com/_top
system due to the type of
loading, resistance between connections, conductor loss, ground loss, etc.,
etc.).
Thanks for your reply!
73, es DX,
Bob/AA6VB
From: Mike Waters
Sent: Thursday, October 25, 2018 10:43 AM
To: Chortek, Robert L.
Cc: topband
Subject
36 ohm load,
> the additional cable loss at 1.8 MHz is only 0.026 dB .
>
>
> 73
> Frank
> W3LPL
>
>
>
>
> - Original Message -
>
>
>
>
> On 10/25/2018 10:24 AM, Chortek, Robert L. wrote:
>> Does anyone know how much po
I also use the DXE style compression/solder PL-259s. They are relatively
expensive but work well and avoid the all too common “shield solder” problem.
They are well worth the cost. I just wish I had shifted to them earlier.
73,
Bob AA6VB
Sent from my iPhone
> On Dec 6, 2018, at 7:47 AM, t
Wow! 33 EU stations. That’s an incredible accomplishment!
I made exactly 0 EU contacts - didn’t even hear a single one. Did manage to
work a few Asiatic Russian stations and the usual Pacific stations from my 1/4
city lot in San Jose, California.
HNY
Bob AA6VB
Sent from my iPhone
> O
“Wes cut his radial length to match the vertical L section height (see N6LF
> reference). He didn't reduce the number of radials.”
I didn’t think it was the “shortening” OF the length of the radials that would
improve performance e.g. going from 10 125’ radials to 10 55’ radials (in the
case of
Meant to say “should not decrease loss ...”
Sorry!
Bob AA6VB
Sent from my iPhone
> On Jan 22, 2019, at 4:11 PM, Chortek, Robert L.
> wrote:
>
> “Wes cut his radial length to match the vertical L section height (see N6LF
>> reference). He didn't reduce the number of
Grant KZ1W
>
>> On 1/22/2019 16:11 PM, Chortek, Robert L. wrote:
>> “Wes cut his radial length to match the vertical L section height (see N6LF
>>> reference). He didn't reduce the number of radials.”
>> I didn’t think it was the “shortening” OF the length of the
I’ve also used KD9SV products with great success.
73,
Bob AA6VB
Sent from my iPhone
> On Feb 1, 2019, at 1:00 PM, Jorge Diez - CX6VM wrote:
>
> FOR SURE KD9SV PRODUCTS
>
> https://www.dxengineering.com/parts/svp-sv-rsc
>
> 73,
> Jorge
> CX6VM/CW5W
>
>> El vie., 1 feb. 2019 a las 17:50, WW
Hi Terry,
It seems to me that it ought to be fine to use the coax. The fact the coax
has more loss than non-contaminated coax shouldn’t matter, since the whole
point is to dump the wattage as part of the 4 Sq. System. Using lower loss
Coax would only mean more power would get to the dummy lo
Fellow Topbanders,
I just finished replacing my damaged base loaded vertical and have a question
about the optimum amount of top loading.
A bit of background - my new vertical is a 55' #12 wire supported by a 60'
Spiderbeam fiberglass pole. At the top there are 2 -41' top loading wires
runn
Mike,
If your rig does not have an RX only port, you can use a rx/tx relay.
There are a number of commercial units available. One (with which I
have no connection whatsoever) is made by KD9SV and is available through
Radioware.
It has an rx protection circuit (to keep you from blowing out your
Good Morning:
I have a very modest 160m station. Since I cannot hear as well as most of you,
I run the risk of calling CQ on what appears to be a clear frequency and QRMing
a DX station calling CQ or disrupting an ongoing QSO.
Any suggestions on how to prevent?
To minimize any potential issues
John,
Do not despair, my fellow Topband Aficionado!
I also live on a 1/4 lot in a residential subdivision in San Jose - part of the
Black Hole of the 160 meter world. I don't have the luxury of living on or near
the East Coast where working Europe (with lots of DXCC entities) is the same
"chip
I currently use the spray on my patio, lawn and driveway as a ground system. It
works so well I took down my elevated radial system which made my XYL very
happy. Now I have a much more efficient antenna AND a much happier wife. I
have worked more DX on 160 this season than in all prior years co
It has been asked: "Why don't more people use LOTW?"
I put it off using LOTW for years because I feared, incorrectly, that it would
be difficult to set up and use. Just last week, I finally got up the nerve to
try it. Much to my pleasant surprise, LOTW was very easy to set up. So,
using m
I think the idea is that a qrp station might not be heard by a station so weak
the qrp station needs a beverage to hear him.
Of course, one could describe circumstances where that would be true and others
where it would not be true.
I thought it was clever
73
Bob/AA6VB
Sent from my
Dear All,
I am looking at the AGC parameters on the FTdx9000D. Yaesu uses the term
"delay" but does not define the term.
Other manufactures use the term "attack" time which I understand to mean how
quickly the AGC reacts to a signal at the "threshold" level.
"Hold" time means the period of t
Uh, I thought the legal limit was 1.5 KW
Sent from my iPhone
On Jul 7, 2012, at 7:49 PM, "Peter Voelpel" wrote:
>
> BEKO in Germany uses them in their 2m amps for about two years.
>
> Last year I was operator at a contest station with 3x HLV-2000 into three
> antenna groups.
> They worked
Has anyone received a LOTW confirmation fir HK0 yet?
Bob AA6VB
Sent from my iPhone
On Aug 11, 2012, at 11:42 AM, "Jim N7US" wrote:
> Additional info about the missing Q’s can be found at
> http://www.sjdxa.org/hk0na.htm .
>
> 73, Jim N7US
>
>
>
> -Original Message-
> From: wa3...@
My missing 160 Q appeared on LOTW yesterday - so worth another look
Bob/AA6VB
-Original Message-
From: topband-boun...@contesting.com [mailto:topband-boun...@contesting.com] On
Behalf Of Kenneth Grimm
Sent: Wednesday, August 15, 2012 12:50 PM
To: topband
Subject: Topband: HK0NA and L
Hi Joe,
I don't have any advice. Only some words of encouragement regarding compromise
installations, and that they can yield a substantial improvement.
I live on a small city lot, no more than a quarter acre. I have tried a dozen
receive antennas (K9AY, EWEs, coaxial loops, low dipoles, e
Good Day,
I am considering an FTdx-5000 (currently use an FTdx-9000) for 160 meters and
wondered about the Image and IF Rejection figures of the 5000. They are 60 and
99 db respectively. The Image rejection is about 50 db less than the 9000. I
admit to not really understanding the "real worl
<<
I amazed at the number of DXers who call non stop, almost regardless if
whether PT0S is working someone. And then, my favorite, "7DX??". And many who
have no possible relation to that call keep sending.
Bob AA6VB
Sent from my iPhone
On Nov 13, 2012, at 6:10 AM, "K4SAV" wrote:
> The thin
<< John, k9uwa wrote:
Sometimes its accidental guys. Picture this example. DX says: TU Everybody
calls. I drop in my call twice at 30 WPM. Hear nothing. Drop in call twice
again. ... during that brief moment DX sends 7DX? and I don't hear him as I am
still transmitting call twice. And again I
According to the PT0S website, there are 9964 QSOs in the Database - Last QSOs
in the Database: 1057 UTC 14 November 2012
73,
Bob/AA6VB
___
Topband reflector - topband@contesting.com
Wonder if someone can help with a technical question with the amp I use on 160
meters.
The Spec Sheet for the 8877 tube lists the "Absolute Maximum Plate Voltage of
4000 Volts" for the tube, and also says in "typical operation" the plate
voltage is between 2700 and 3500 volts. In my amp (Amerit
Logs are on LoTW. Incredible. Those guys are amazing!
Thank you es 73!
Bob AA6VB
Sent from my iPhone
___
Topband reflector - topband@contesting.com
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