Re: [Elecraft] Rhombic antenna "gain"

2019-09-13 Thread Bob W7AVK
Do a google on W6AM.  Don was a ham's ham with many Rhombic antennas.  Years ago he and W1FH for several years would exchange being on the top of the DXCC list. Interesting reading. 73  Bob  W7AVK On 9/13/2019 8:22 PM, donov...@starpower.net wrote: Hi mike, Wasn't Rota an FRD-10, not an

Re: [Elecraft] Rhombic antenna "gain"

2019-09-13 Thread Brian Hunt
Not true. The KFS receive site building and some antennas are still there and being used for "something". In fact there is a web SDR hooked to the big log periodic. 73, Brian, K0DTJ HMB, CA > > KFS -- all gone now, not even buildings are left.

Re: [Elecraft] Rhombic antenna "gain"

2019-09-13 Thread Phil Kane
On 9/13/2019 8:15 PM, donov...@starpower.net wrote: > Its nearly impossible to hide those old Wullenweber arrays, even if they've > been dismantled for nearly fifty years The FCC's have all been dismantled. 73 de K2ASP - Phil Kane Elecraft K2/100 s/n 5402 >From a Clearing in the Silicon

Re: [Elecraft] Rhombic antenna "gain"

2019-09-13 Thread Phil Kane
On 9/13/2019 6:56 PM, Fred Jensen wrote: > I think the Half Moon Bay stn was KFS.  It's brother site was in the mud > flats off of the Palo Alto shoreline in the Bay, all gone now.  At least > one of the KFS transmitters is now operating at KPH. Ah yes, the PW-15, built for Press Wireless in the

Re: [Elecraft] Rhombic antenna "gain"

2019-09-13 Thread Phil Kane
On 9/13/2019 6:56 PM, Fred Jensen wrote: > There was a small group of hams who either tried, or succeeded, in > getting permission to put one of the remaining Delano Sterba's on 160 > [and maybe 80].  I'm not sure if they were successful, As I remember it, it was the Sacramento Ham Club that got

Re: [Elecraft] Rhombic antenna "gain"

2019-09-13 Thread Phil Kane
On 9/13/2019 5:47 PM, Jim Brown wrote: > There's another RX station along Rte 1 S of Half Moon Bay, with an > associated TX station around Palo Alto. KFS -- all gone now, not even buildings are left. 73 de K2ASP - Phil Kane Elecraft K2/100 s/n 5402 >From a Clearing in the Silicon Forest

Re: [Elecraft] Rhombic antenna "gain"

2019-09-13 Thread Phil Kane
On 9/13/2019 5:45 PM, Jim Campbell wrote: > We also had Elephant Cages later on. Funny no one has mentioned them. They (we called them the "Type W") were the mainstay of the FCC's HFDF system from the 1970s to several years after I retired in the mid-1990s. Their function was directivity, not

Re: [Elecraft] Rhombic antenna "gain"

2019-09-13 Thread Phil Kane
On 9/13/2019 4:18 PM, donov...@starpower.net wrote: > I visited many rhombic antenna farms many years ago (as far as I know > they've now all been dismantled). The Maritime Radio Historical Station KPH (ex-RCA) site in Bolinas, CA may still have one up, but I'm not certain that it is still in

Re: [Elecraft] Rhombic antenna "gain"

2019-09-13 Thread Arliss
Or even longer: https://4.bp.blogspot.com/-UkbdbLQ-ofI/V4CWpqwJ9SI/E-Q/YtV82_PGUqg3j77n0OyOxp0A1LaL1-LowCLcB/s1600/crop-stonehenge-stones-set3.jpg 73, Arliss W7XU On 9/13/2019 10:15 PM, donov...@starpower.net wrote: Hi Chuck, Its nearly impossible to hide those old Wullenweber

Re: [Elecraft] [KX3] Re: AXE1

2019-09-13 Thread HB via Elecraft
It works better than expected! I setup the KX3 on the front deck and worked some stations with good signal reports earlier this week (SSB). I was running all 15 watts! Sent from Mail for Windows 10 From: Wayne Burdick n...@elecraft.com [KX3] Sent: Friday, September 13, 2019 9:19 PM To:

Re: [Elecraft] Rhombic antenna "gain"

2019-09-13 Thread donovanf
Hi mike, Wasn't Rota an FRD-10, not an FLR-9? www.google.com/maps/place/36%C2%B039'24.0%22N+6%C2%B021'54.0%22W/@36.6567863,-6.3663994,682m/data=!3m1!1e3!4m2!3m1!1s0x0:0x0 73 Frank W3LPL - Original Message - From: "Michael P. Rioux" To: "Jim Campbell" Cc:

Re: [Elecraft] Rhombic antenna "gain"

2019-09-13 Thread donovanf
Hi Chuck, Its nearly impossible to hide those old Wullenweber arrays, even if they've been dismantled for nearly fifty years www.google.com/maps/search/bondville+rd,+scott,+il/@40.0492598,-88.3816964,440m/data=!3m1!1e3 73 Frank W3LPL - Original Message - From: "charles j jr

Re: [Elecraft] Rhombic antenna "gain"

2019-09-13 Thread W2xj
A small correction. Delano, Dixon and further east Bethany were not VOA sites. They were originally private broadcaster’s sites. I can’t remember which was what but Bethany and Delano were CBS and NBC. Bethany was Crosley. Eventually VOA took these sites over as commercial broadcasters found

[Elecraft] Low activity

2019-09-13 Thread Dauer, Edward
There is one additional drawback. Last weekend, after having been off the air for just over three months, I went to the shack to operate in the Nebraska QSO Party -- needing only NE on 10 to finish the CW 5BWAS. Dead quiet on 10 meters. After an hour of CQ NEQP every 20 seconds, a familiar

Re: [Elecraft] Rhombic antenna "gain"

2019-09-13 Thread Fred Jensen
Symmetry?  The whole show with rhombics is beamwidth and elevation angle, not really gain, which has been pointed out in much of the literature.  A "perfect" rhombic will have an extremely narrow beamwidth in the 10 to 15 deg range at HF [and if large enough, at MF as well].  Asymmetry will

Re: [Elecraft] Rhombic antenna "gain"

2019-09-13 Thread Fred Jensen
Many of the VOA transmitters were 250 KW and ended up in religious SW broadcast stations. There was a small group of hams who either tried, or succeeded, in getting permission to put one of the remaining Delano Sterba's on 160 [and maybe 80].  I'm not sure if they were successful, I do know

Re: [Elecraft] Rhombic antenna "gain"

2019-09-13 Thread hawley, charles j jr
I was in the radio direction finding group at the U of IL in the early 60's which had a Wullenweber site just west of Champaign-Urbana IL 120 antennas in a circle outside a screen supported by telephone poles. The locals had colorful ideas of what it was all about. You could listen to WWVH,

Re: [Elecraft] Rhombic antenna "gain"

2019-09-13 Thread Michael P. Rioux
I still get a kick out of thinking that I worked INSIDE of the antenna! (Rota’s FLR-9) Si vis pacem, para bellum Mike, W1USN > On Sep 13, 2019, at 8:45 PM, Jim Campbell wrote: > > We also had Elephant Cages later on. Funny no one has mentioned them. If you > want to see a real monster

Re: [Elecraft] Rhombic antenna "gain"

2019-09-13 Thread Richard S. Leary
Also had an array of rhombics at Bingen, plenty of SP-600's. Used primarily for reception. Our GRC-26 used a dipole for xmt/rcv DF work. That was 55 to 58. I'd have loved to have my K3 and 3 el steppIR back then. They didn't get the FLR-9 at Chicksands until after I left in Jun 62. Got my ham

Re: [Elecraft] AXE1

2019-09-13 Thread rich hurd WC3T
I got my shipping notification today. Prepping for my stint as a ham volunteer next weekend in the Bike MS “City to the Shore” ride, so it might be a little while before I get on the air with it. I’m looking forward to it. On Fri, Sep 13, 2019 at 20:27 Wayne Burdick wrote: > Hi Bryan, > > > >

Re: [Elecraft] Rhombic antenna "gain"

2019-09-13 Thread Jim Brown
On 9/13/2019 4:18 PM, donov...@starpower.net wrote: To compound the design compromises, the r hombic termination resistor throws away nearly 3 dB of whatever gain it might achieve. When our senior EE class toured Crosley's Mason, OH VOA site in 1964, the engineers were quite proud of their

Re: [Elecraft] Rhombic antenna "gain"

2019-09-13 Thread Jim Campbell
We also had Elephant Cages later on. Funny no one has mentioned them. If you want to see a real monster https://en.wikipedia.org/wiki/AN/FLR-9 Also known as a "Wullenweber" or AN/FLR-9. Jim -  W4BQP On 9/13/2019 8:28 PM, Dick Dievendorff wrote: Small world. I was in a similar line of work,

Re: [Elecraft] Rhombic antenna "gain"

2019-09-13 Thread Alan
Many years ago W1AW used to have a big (6 wavelengths per leg as I recall) rhombic for 20 meters pointed west.  It was mainly used for the code practice and bulletin transmissions.  When the new 90-foot tower with stacked monoband Yagis was installed we ran some A/B antenna tests on the air

Re: [Elecraft] AXE1

2019-09-13 Thread Wayne Burdick
Hi Bryan, > On Sep 12, 2019, at 12:25 PM, Bryan Brauer wrote: > > I received my new AXE1 yesterday, and today deployed the antenna with the > AX1, connected directly to my KX2 a la HT. I stretched out the > counterpoise wire and tied the end to the branch of a bush, suspending it > about 4

Re: [Elecraft] Rhombic antenna "gain"

2019-09-13 Thread Jim Campbell
In the late '50s I was stationed at a field station in Northern Germany that was monitoring transmissions from the 'other side'. We were at a former WWII German airfield and had an antenna farm comprised of rhombics. I never bothered to count how many there were but I estimate that there were

Re: [Elecraft] Rhombic antenna "gain"

2019-09-13 Thread Fred Jensen
Mike:  You will need more than "a few tens of acres" for rhombics, their beamwidth is so narrow that you will need an array of them.  The transmit site for KOK ["Los Angeles Radio" now SK and demolished] was probably at least a square mile, likely more.  Rhombics for the point-2-point

Re: [Elecraft] Rhombic antenna "gain"

2019-09-13 Thread David Haines
Well, I'm not wealthy.  But we do have 270 acres of forest-land covered with nothing but trees.  So a rhombic or two sounds really good, which never occurred to me before.  Thanks, Don! Across the field from my shack, maybe 600',  is a row of 90' pine trees.  More trees on either edge of the

Re: [Elecraft] Low activity

2019-09-13 Thread Mark Petiford via Elecraft
I posted the question, "What is the BEST antenna to use with my K???" as a "tongue-in-cheek" question to see if it would generate some activity, and it was wildly successful.  I posted it at about 12:30pm PDT and it is now almost 5pm PDT.  There are over a dozen responses, and at least two

Re: [Elecraft] Low activity

2019-09-13 Thread Bill Johnson
Oh, but I have 2 KX3's and one PX3, a KXPA100. Oh, did I mention a KX2 and all it's stuff. I am an Elecraft junkie... because I love their stuff, and, all of it is so well engineered. Their customer service for us with logical issues is just so superior. The most important factor on this

Re: [Elecraft] Rhombic antenna "gain"

2019-09-13 Thread Fred Jensen
Mike:  Rhombics can be operated either terminated or unterminated.  If unterminated, they are bi-directional with half the power in each lobe.  If terminated, the resistor absorbs half the power in the reverse lobe.  Either way, half your power goes the "wrong" way, either behind your desired

Re: [Elecraft] Rhombic antenna "gain"

2019-09-13 Thread EricJ
Maybe the termination was changed in later years. I was permanently assigned to K2USA from '63-'65 (not bad duty for a ham). We ran thousands of phone patches to/from SE Asia on that rhombic and the 20m monobander @ 90 feet. I used to break into QSOs between two local VKs chatting via ground

Re: [Elecraft] Rhombic antenna "gain"

2019-09-13 Thread donovanf
Hi Mike, Rhombic antennas -- with few exceptions -- were not usually designed for high gain. They were usually designed as a compromise between gain and typically one octave of bandwidth (e.g. 14-28 MHz). To compound the design compromises, the r hombic termination resistor throws away

Re: [Elecraft] Low activity

2019-09-13 Thread hawley, charles j jr
The K3S is an incredibly compact and extremely capable rig. It has a handle on the side too. I don't quite see the rush to sell it if you buy a K4. Jack BMW Motorcycles Chuck KE9UW c-haw...@illinois.edu Sent from my iPad > On Sep 13, 2019, at 5:36 PM, Bill Johnson wrote: > > Oh, maybe I

Re: [Elecraft] Low activity

2019-09-13 Thread Bill Johnson
Oh, maybe I should offer my K3S with ALL the options and the P3 for advance ordering as well? 73, Bill K9YEQ https://wrj-tech.com/ -Original Message- From: elecraft-boun...@mailman.qth.net On Behalf Of Bill Johnson Sent: Friday, September 13, 2019 5:33 PM To: Wayne Burdick ;

Re: [Elecraft] Low activity

2019-09-13 Thread Bill Johnson
And I have ordered one with all the goodies, so, Wayne, get on it!! :-) Keep those elves a truckin'! 72 & 73, Bill K9YEQ FT'er for K2, KX1, KX3, KXPA100, KAT500, W2, etc. https://wrj-tech.com/ -Original Message- From: elecraft-boun...@mailman.qth.net On Behalf Of Wayne Burdick

Re: [Elecraft] Rhombic antenna "gain"

2019-09-13 Thread Mike Markowski
Can you expand on this, Ken, or if easier, a reference? I'm curious what tradeoffs are made. I used a rhombic at Ft. Monmouth, NJ before the Army base was closed in 2011, and used to boom into Europe and Russia. It was amazing. I also got copies of WWII manuals on rhombic construction

[Elecraft] Rhombic antenna "gain"

2019-09-13 Thread Ken G Kopp
Rhombic antennas derive their well-known gain by "throwing away" some of the design's gain. Ditto for the infamous "inverted vee". Use is made of the lobes from the four wires while disregarding others. 73 ! Ken Kopp - K0PP __ Elecraft

[Elecraft] G5RV info

2019-09-13 Thread Ken G Kopp
All ... It might be enlightening to Google the G5RV antenna... The design by Lou Varney, G5RV first appeared in the RSGB Bulletin and was designed as a 20M -->ONLY<-- antenna, with a specific combination of open wire and coax lengths. (I have a copy of the original article.) As I often say …

Re: [Elecraft] Low activity

2019-09-13 Thread hawley, charles j jr
Good idea. A fellow ham I worked with once had a rhombic favoring the south pole many decades ago. He was a significant communications option for an expedition down there. It was a unique ham radio experience. Jack BMW Motorcycles Chuck KE9UW c-haw...@illinois.edu Sent from my iPad > On Sep

Re: [Elecraft] Low activity

2019-09-13 Thread Bob McGraw K4TAX
A 50 ohm dummy load.   There's never any noise, never any QRM, the frequency is always clear, and always a 1:1 SWR.   Of course getting a DXCC is much more of a challenge. 73 Bob, K4TAX On 9/13/2019 2:25 PM, rv6amark via Elecraft wrote: Re:  "September has been fairly quiet.  Only around

Re: [Elecraft] Low activity

2019-09-13 Thread Nr4c
Are we still looking for a Nov/Dec shipping date? Sent from my iPhone ...nr4c. bill > On Sep 13, 2019, at 3:50 PM, Grant Youngman wrote: > > In the meantime, the rest of us are too busy daydreaming about being able to > go K4ing … :-) > > Grant NQ5T > KX3 (8342)/KXPA100 > >> Speaking

Re: [Elecraft] Low activity

2019-09-13 Thread Don Wilhelm
David, Put up a Rhombic favoring the direction of your most wanted DX. It can be used as a multi-band antenna with lots of gain. 73, Don W3FPR On 9/13/2019 4:02 PM, David Haines wrote: Well, the best antenna for me so far is the only one I have, a 51' G5RV Junior dipole 30' above ground fed

[Elecraft] K3S issues

2019-09-13 Thread Roger
Good evening, 1. when I turned on the K3S tonight I noticed that the current display was jumping between 1,4 and 2,7 Amperes on idle. Never saw the rig doing it before. The actual current consumption didn´t change but the readout of the K3S only. That approx. +1,3 A also was noticed on transmit.

Re: [Elecraft] Low activity

2019-09-13 Thread Jim Brown
On 9/13/2019 1:02 PM, David Haines wrote: but for now, any antenna thoughts? 1. Buy and study the ARRL Antenna Book. 2. Study the antenna tutorials and applications notes on my website. k9yc.com/publish.htm 3. Unless you're in the middle of nowhere with no neighbors to create RF noise,

Re: [Elecraft] Low activity

2019-09-13 Thread rich hurd WC3T
Good job poking the sleeping bear. ;) On Fri, Sep 13, 2019 at 1:46 PM Szabó István wrote: > During last week I got very few e-mails. Is it low activity or e-mails > lost somewhere? > > 73, István ha4zd > > __ > Elecraft mailing list

Re: [Elecraft] Low activity

2019-09-13 Thread David Haines
Well, the best antenna for me so far is the only one I have, a 51' G5RV Junior dipole 30' above ground fed with ladder line into my KX-3 with KXP100.  (I also have a Buddipole for remote operation.) Given that you can never have enough antennas, what should I add?  My situation is perfect,

[Elecraft] KX2 Color Scheme

2019-09-13 Thread eric norris via Elecraft
Dazzle Camo or International Orange 73 Eric WD6DBM Sent from Yahoo Mail on Android __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post:

Re: [Elecraft] Low activity

2019-09-13 Thread Lynn W. Taylor, WB6UUT
The one that will almost fit on your available space. On 9/13/2019 12:25 PM, rv6amark via Elecraft wrote: Re:  "September has been fairly quiet.  Only around 160 posts..."      I can fix that:   What is the BEST antenna to use with my K???   Sorry, just couldn't resist;-)    Mark,   KE6BB

Re: [Elecraft] Low activity

2019-09-13 Thread Grant Youngman
In the meantime, the rest of us are too busy daydreaming about being able to go K4ing … :-) Grant NQ5T KX3 (8342)/KXPA100 > Speaking strictly for all of us, the Elecraft Elves are so busy K4ing that > some aren't posting as often as usual. > > Wayne > N6KR > >

Re: [Elecraft] Low activity

2019-09-13 Thread Wayne Burdick
> What is the BEST antenna to use with my K??? Rhombic or Sterba curtain. Unless you're doing pedestrian mobile, in which case...AX1 :) > September has been fairly quiet Speaking strictly for all of us, the Elecraft Elves are so busy K4ing that some aren't posting as often as usual.

Re: [Elecraft] Low activity

2019-09-13 Thread David Gilbert
In my case the best, or at least the most desirable, is always the one I don't have. Dave   AB7E On 9/13/2019 12:25 PM, rv6amark via Elecraft wrote: Re:  "September has been fairly quiet.  Only around 160 posts..."      I can fix that:   What is the BEST antenna to use with my K???   

Re: [Elecraft] Low activity

2019-09-13 Thread rv6amark via Elecraft
Re:  "September has been fairly quiet.  Only around 160 posts..."      I can fix that:   What is the BEST antenna to use with my K???   Sorry, just couldn't resist  ;-)   Mark,   KE6BB  Original message From: Grant Youngman Date: 9/13/19 10:58 AM (GMT-08:00) To: Szabó István

Re: [Elecraft] Low activity

2019-09-13 Thread Grant Youngman
September has been fairly quiet. Only around 160 posts for the (nearly) first half of the month. Grant NQ5T KX3 (8342)/KXPA100 > On Sep 13, 2019, at 1:46 PM, Szabó István wrote: > > During last week I got very few e-mails. Is it low activity or e-mails lost > somewhere? > > 73, István

[Elecraft] Low activity

2019-09-13 Thread Szabó István
During last week I got very few e-mails. Is it low activity or e-mails lost somewhere? 73, István ha4zd __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post:

[Elecraft] RRC set sold, Elecraft RRK0CBL cable still avlb

2019-09-13 Thread Howard Sherer
Elecraft RRK0CBL cable for the K30 to the RRC 1258 $30. Howard AE3T __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list