Re: Topband: HEBA antenna

occurring and that the HEBA is just a short, fat monopole. As such it has the elevation radiation characteristics just like any other monopole 90 degrees or less in height. Maximum radiation depends on the far-field ground characteristics. Dave KH6AQ (formerly WX7G) On Fri, Apr 19, 2024 at 9:

Re: Topband: HEBA antenna

u/examples/crossedfield.pdf *HEBA Model 103 Performance Analysis* https://www.thebdr.net/wp-content/uploads/2020/06/high-efficiency-broadband-plain-english.pdf Dave KH6AQ On Fri, Apr 19, 2024 at 6:01 AM Radio KH6O wrote: > I'd like to see a version of this for 160M: > > > http

Re: Topband: Remotes

Ed, Thats a consequence, not intent. my 2c. I really don't care much but can see the issue. 73 Dave NZ3M From: Topband on behalf of sawye...@earthlink.net Sent: Monday, February 5, 2024 12:49 PM To: topband@contesting.com Subject: Re: Topband: Remotes Steve

Topband: Top Band Express

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Re: Topband: Using 4 - 6 elevated radials in lieu of 120 buried wires

operation NH6V and I have used a slant wire vertical with two resonant radials 10 to 20 ft. above ground. Dave KH6AQ On Thu, Jan 4, 2024 at 5:01 PM Radio KH6O wrote: > Attached is an interesting research paper by Clarence Beverage. > > -- > 73, > Jeff KH6O > _ >

Re: Topband: [PVRC] 2-element receiving arrays

It seems that padding the element capacitance as needed for equal capacitance would help. Dave KH6AQ On Thu, Mar 30, 2023 at 4:48 PM Frank W3LPL wrote: > Hi Dave, > > Anyone who has experimented with a high impedance antenna such > as an end fed half wave has experienced

Re: Topband: CQ WPX SSB Contest

in total, and maybe 10 were USA,  W1, W2, WALL and a W8 I remember. We had a good vertical, and a low dipole, we also had beverages out.  Dipole was very noisy, vert good for rx, beverages best 73 Dave, G3NKC Sent from Yahoo Mail on Android On Sat, 25 Mar 2023 at 11:07, Roger Kennedy wrote

Topband: 160 from 3Y0J

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Re: Topband: Topband Digest, Vol 242, Issue 6

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Re: Topband: FW: The USA-CA Awards

able local radio clubs to run sprints scored by LoTW confirmations, and enable the ARRL to charge an access fee to larger award sponsors. This prototype has remain untouched for the last 7 years. 73, Dave, AA6YQ _ Searchable Archives: http://www.cont

Re: Topband: The USA-CA Awards

to improve or extend LoTW since 2018; Rick K1MU has continued to improve TQSL, which is an open source project. + IOTA, JARL, and WIA acceptance of LoTW confirmations is accomplished independently of the ARRL - and with no revenue to the ARRL. 73, D

Re: Topband: CQ WW 160

vertical wire. We put in 24 hours with the first contacts of each day made at 1630 HST. Thanks for all the Qs. Dave KH6AQ On Mon, Jan 30, 2023 at 12:44 PM Roger Kennedy < ro...@wessexproductions.co.uk> wrote: > > Sadly as I mentioned before, I was working both nights until 0300Z, so

Re: Topband: RFI tripping GFI breaker on 160m

akers. 73, Dave KH6AQ On Tue, Jan 3, 2023 at 4:56 PM wrote: > GFI breakers can be finicky. If a GFI is really needed try a different > brand > breaker. > > John KK9A > > AB2E wrote: > > I trip a GFI breaker sometimes on 160m, usually in a contest 1500W. > Never had

Re: Topband: JT5DX - JT1CO confirmations

Try putting via JAPAN at the bottom of the address in addition to Mongolia, I know in the past this has worked for me. Name address Mongolia via JAPAN Dave k4em -Original Message- From: Topband [mailto:topband-bounces+k4em=bellsouth@contesting.com] On Behalf Of Jorge Diez - CX6VM

Re: Topband: 160 meter 1/8 wave

0.005S/13 GND, "average" Gain at a 10 deg take-off angle =* -2.5 dBi* 1.8MHz Inverted-V apex at 65' with ends 10' above GND 0.005s/13 GND, "average" Broadside gain at a 10 deg take-off angle = *-10.5 dBi* dave KH6AQ On Thu, Apr 1, 2021 at 10:09 AM doug dietz wrote: >

Re: Topband: I4EAT Fausto SK

I'm so sorry to hear the news of Fausto's death, especially since it came from this damnable Covid-19. Rest in Peace, Fausto. 73, Dave K8MN On 3/31/2021 04:00 PM, Ryszard Tymkiewicz wrote: So bad news...Fausto was always very friendly and it was great to compete with him in DXing..Its

Re: Topband: Elementary Inverted L questions

of interest. While doing that feedpoint shunt inductor (about 4uH is a start) can be added to achieve a 1:1 SWR. That does not improve the SWR bandwidth though and as I like to roam about the bottom 100kHz in contests I don't bother. The antenna tuner takes care of that. Dave On Thu, Mar 25

Re: Topband: New Inv-L Questions

resistive at 1900kHz Horizontal length adjusted for resonance at 1900kHz Dave KH6AQ (formerly WX7G) On Sat, Mar 13, 2021 at 6:05 AM N4ZR wrote: > I have just finished replacing my 1/4 wave 160-M inverted L, which broke > this winter at the bend. It has 8 ca. 70-foot on the ground radia

Re: Topband: CQ Zones

Do me a favor, Glenn;  read what you just sent and then look into a mirror. Dave K8MN On 3/9/2021 08:45 PM, Glenn Wyant wrote: And you decide whether any of us deserve to follow our own preferences! We don't need you as a dumb ass wanna be leader. Sent from my iPhone On Mar 9, 2021, at 18

Re: Topband: Looking for hi-Z antenna

a radiation resistance of ~1.5 ohms. Top loaded this can be increased to ~5.5 ohms, potentially increasing your signal by almost 6 dB. The HF2V manual mentions top loading on page 11. *HF2V manual* https://static.dxengineering.com/global/images/instructions/but-hf2v_ck.pdf Dave KH6AQ On Wed

Re: Topband: Antenna thoughts

55% 0.9dB L2029% T20 38% 1.2dB Dave KH6AQ On Mon, Mar 1, 2021 at 10:20 PM John wrote: > Hello all.I currently have a coaxial inv. L.apex at 50ft and rest going > out at abt 45 degrees.The end is abt 20

Re: Topband: Return Loss Question?

For me 6dB RL is fine. That is a VSWR of 3:1. https://www.amphenolrf.com/vswr-conversion-chart Dave KH6AQ On Fri, Jan 15, 2021 at 10:45 AM Jim Brown wrote: > On 1/15/2021 12:09 PM, Tree wrote: > > Anything over 20 db is pretty good. 15 db is acceptable - 10 db is a > > littl

Re: Topband: Inverted J antennas?

Rudy, N6LF, wrote a great article on his elevated radial experiments. https://www.antennasbyn6lf.com/2012/02/elevated-radial-ground-systems-some-cautions.html Rudy says, "1) Use at least 10 to 12 radials. 2) Make an effort to have the radial system as symmetric as possible. 3) Keep the radial

Re: Topband: Inverted J antennas?

Hi Mike, your inverted-J in EZNEC shows a radiation resistance at 1850kHz of 10 ohms. It is resonant at 1800kHz. With the 50' vertical wire removed it is resonant at 2.7MHz and has a radiation resistance at 1850kHz of 11 ohms. Dave KH6AQ On Mon, Jan 11, 2021 at 10:52 AM Mike Smith VE9AA

Re: Topband: Cage wire performance

normalized to the antenna input resistance of *23 ohms* *SWR bandwidth is 72kHz* Dave KH6AQ On Mon, Jan 4, 2021 at 5:07 AM Kenny Silverman wrote: > Hello and HNY! > > I will be converting a wire inverted-L to a T top loading on a 75’ tall > wire hung from a tree. To improve the

Re: Topband: Question about on ground radials field.

The antenna becomes a ground mounted vertical having elevated feed. The wire from the ground radial system to the base of the vertical becomes a radiating portion of the vertical. The vertical has increased in length by the wire length. Dave KH6AQ On Thu, Dec 31, 2020 at 9:48 AM Jim Clymer

Re: Topband: Low Dipoles

The radiation pattern plot shows the dipole end on. Rotate azimuth 90 degrees and the two antennas show the same gain at 30 deg elevation. Dave KH6AQ On Fri, Dec 11, 2020 at 10:51 AM VE6WZ_Steve wrote: > I know this thread has gone on-and-on-and on, but I felt I needed to

Re: Topband: I need help proofing an Inverted L model I made please. 40’ x 143’, four 100’ radials, #14 wire.

60 + j19 does seem off. Is this ground mounted or with elevated radials? An EZNEC free-space model reports *36 +j227* at 1800kHz. On perfect GND it reports 166 +j306 ohms. 10' above 0.005/13 GND it reports *37 +j262* ohms with resonance at 1510kHz. Dave KH6AQ On Wed, Dec 9, 2020 at 11:32 AM

Re: Topband: Looking for user experience: DXEngineering Thunderbolt 160m vertical

on a coil Q of 400(?) and for various GND loss resistances. * Dave KH6AQ On Sat, Dec 5, 2020 at 3:37 AM David Aslin G3WGN wrote: > I'm building a contest station and the time has come to make a choice of > 160m TX antenna. Looking at DXE Thunderbolt I note that the capacity hat >

Re: Topband: Looking for user experience: DXEngineering Thunderbolt 160m vertical

Engineering typical 2:1 SWR bandwidth of 40kHz. Radiation efficiency -- if you can get a 3 ohm GND, is 60%. Dave KH6AQ On Sat, Dec 5, 2020 at 7:49 AM Dave Cuthbert wrote: > The DX Engineering Thunderbolt antenna includes a means to resonate and > match the antenna using a series in

Re: Topband: Looking for user experience: DXEngineering Thunderbolt 160m vertical

it to be resonant at 1825 kHz with an input impedance of *4.0 ohms*. Adding 2.5 ohms of GND + coil loss it shows a 2:1 VSWR bandwidth of 40 kHz. This agrees with the DX Engineering SWR graph on page 43. If your installation has 2.5 ohm base referred GND/coil loss the radiation efficiency will be ~60%. Dave

Re: Topband: Suggestions for vertical at HG0R

edance? What instrument are you using? Are there any strong LF/MF broadcast station signals at the QTH? Dave KH6AQ On Sat, Nov 7, 2020 at 5:08 AM Steve HA0DU wrote: > HI All, > > Today we finished installing a vertical with a top hat at HG0R, but it > i

Re: Topband: Shunt Fed Tower SWR Troubles

The balun heating hypothesis could be tested by disconnecting the balun. Dave, KH6AQ On Thu, Aug 27, 2020 at 7:06 AM Dale Drake wrote: > Here's my problem. I'm experiencing SWR problems > with 160M shunt feed on my tower. Using a gamma > match with HV air variable caps I am ab

Re: Topband: 160m Vertical

EZNEC Rohn 25 top loading 115' Rohn 25 4 spoke top hat, 66" x 0.500" tubing SWR in a 30 ohm system (match 30 ohms to 50 ohms) 1.800 MHz, 2.2:1 1.900 MHz, 1.2:1 2.000 MHz, 2.2:1 KH6AQ (formerly WX7G) On Fri, May 15, 2020 at 8:13 AM Jim Brown wrote: > On 5/15/2020 8:27 AM,

Re: Topband: Ground Conductivity

is that there is no cat.” Dave KH6AQ On Tue, Mar 24, 2020 at 5:42 AM Roy Morgan wrote: > George, > > Your comment about over simplifying reminds me of a very early explanation > of radio communication - or was it telegraph? I can remember only a little: > > "It's like wiggling the

Re: Topband: Ground Conductivity

Robert, an EZNEC model of your vertical as described in your QRZ bio shows your measured 29.7 ohm input resistance when ground conductivity is set to *0.008 S/m*. EZNEC calls this (0.0075S/12) ground *flat, marshy, densely wooded*. Using 0.005/13 ground EZNEC reports 35 ohms. Dave KH6AQ

Re: Topband: Ground Conductivity

AA6VB, QTH San Jose, California looks like *8 mS/m* FCC ground conductivity map https://www.fcc.gov/media/radio/m3-ground-conductivity-map A more detailed map https://www.americanradiohistory.com/FCC_Ground_Conductivity_Maps.htm 1 skin depth t 1.8 MHz in 8 mS/m soil is ~4 meters Dave KH6AQ

Re: Topband: Receiver protectors.

sn't have to charge the zener/cap. QST RG-5000 review https://static.dxengineering.com/global/images/technicalarticles/dxe-rg-5000_sn.pdf Dave KH6AQ On Tue, Mar 17, 2020 at 5:27 PM wrote: > In a thread back in January, 2020 on connecting receive antennas for top > band, a few fe

Re: Topband: Slightly OT - amplifier noise

?productid=MFJ-1026 http://www.sherweng.com/table.html http://www.sherweng.com/documents/TermsExplainedSherwoodTableofReceiverPerformance-RevF.pdf Dave KH6AQ On Tue, Mar 17, 2020 at 4:07 AM Michael Tope wrote: > I just happen to have a spare MFJ-1026 at home. I did a real quick te

Re: Topband: Slightly OT - amplifier noise

insertion gain of this device would be. Or a measurement might be > in order with gain pots at max. It could be amplified input device noise at > the output. > Lee K7TJR > > -Original Message- > From: Topband On Behalf Of > Dave Cuthbert > Sent: Monday, March 16, 2020 2:

Re: Topband: Slightly OT - amplifier noise

://pdf.datasheetcatalog.com/datasheet_pdf/intersil/J308_to_J310.pdf J310 RF amp noise figure: http://receiverforjupiter.tripod.com/rfamp.htm Dave KH6AQ On Mon, Mar 16, 2020 at 8:33 AM Steve London wrote: > I did that - terminated in 50 ohms. > > 73, > Steve, N2IC

Re: Topband: Slightly OT - amplifier noise

depending on the transformer) the three following stages can up the noise by 4-5 dB. At 7 MHz the 26 nV/Hz^0.5 is 580 nV in a 500 Hz bandwidth, or -112 dBm. This is 2.5 S-units. *What receiver are you using, what band and what is the bandwidth? * Dave KH6AQ On Sat, Mar 14, 2020 at 6:40 AM wrote

Re: Topband: Slightly OT - amplifier noise

The J310 is as quiet as they come. It has a 100 MHz noise figure of (only) 1.5 dB. 73 and aloha, Dave KH6AQ On Sat, Mar 14, 2020 at 6:40 AM wrote: > This discussion of Hi Z amplifiers has been quite interesting. Excellent > information from W1FV and K7TJR. > > I have an RX

Re: Topband: Hi Z amplifiers for 160m

are also shown. Quiet receiving site -- 4.7 nV/m, vert 1.3 uV, S-4 Median city noise -- 66 nV/m, vert 19 uV, S-8 Dave KH6AQ (formerly WX7G) > > > _ Searchable Archives: http://www.contesting.com/_topband - Topband Reflector

Re: Topband: Hi Z amplifiers for 160m

and 11.8 nV = *12 nV/Hz^0.5* https://www.analog.com/media/en/technical-documentation/data-sheets/AD8045.pdf https://www.itu.int/dms_pubrec/itu-r/rec/p/R-REC-P.372-14-201908-I!!PDF-E.pdf Dave KH6AQ On Thu, Mar 12, 2020 at 6:18 AM Dave Cuthbert wrote: > *JFET op amp vs bipolar op a

Re: Topband: Hi Z amplifiers for 160m

/N ratio 3.9 dB 4 X JFET op amp, 3.6 nV/Hz^0.5, loaded sig 0.59, relative S/N ratio *4.5 dB* 6 X JFET op amp, 3.1 nV/Hz^0.5, loaded sig 0.49, relative S/N ratio 4.2 dB Dave KH6AQ On Wed, Mar 11, 2020 at 1:49 AM Chris Moulding < chr...@crosscountrywireless.net> wrote: > As well as bein

Re: Topband: Radiation Resistance

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. < robert.chor...@berliner.com> wrote: > Good Day! > > Does anyone know the radiation resistance of a 55 foot vertical #12 wire, > top loa

Re: Topband: FT-8 Contest would be great for Topband

or FT8 will succeed. + It's been my experience that many ops consider the technology they were using up through age 35 to be "standard". Any technology that appears after they reach that age will be considered a mortal threat to amateur radio. 73, D

Re: Topband: Saturday night

Dave,You have to witness the LF bands from EU, with so many countries in a relatively space, packed on small bands, you don't have a clear frequency. If you have directional receive antennae, that does help. I couldn't raise C6AGU ( eu qrm),  HI3CC didn't hear well, nor PJ2T,  OR ZW5B

Re: Topband: 160 Meters in Thailand

That's useful to know Frank, we often hear them in the bottom 10khz, where we can't operateI'll be on as MD4K,  all bands, but will cover 160 at times too, Imgot out pretty well there in the SSB leg73 Dave G3NKC / MD4K Sent from Samsung tablet Original message From

Re: Topband: LW Radio Beacons

This is a much better site for beacons (NDB's) and it's updated daily. The other site is way out of date. https://www.classaxe.com/dx/ndb/rna I chase NDB's. 73, Dave N7RK -- Dave Hollander N7RK Arizona Tube Supply http://arizonatubesupply.com Ham Radio Page http://n7rk.com

Re: Topband: Blatant cheating using Remote Operation

the station. Example: NZ3M/W1XXX or whatever. There are hundreds of stations that hams can log into all over the world and operate using their own call sign.  Some large stations are $ per minute and many are free. This is my 2 cents, take it as you wish. 73 Dave NZ3M On 10/12/2019 3:54 PM

Re: Topband: 30-Foot Vertical

but on the roof of a two-story building. You might do pretty well with some top-loading wires and perhaps you could use a mast to give it a little more height. 73, Dave K8MN On 04-Jun-19 19:14, Mark - N5OT wrote: Hi Roy - you mean for 160 meters??? I think there are plenty of credible ways

Topband: unsubscribe

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Topband: THANKYOU Re Inv L dilemma

Thankyou very much everyone for your good advice. Lots for me to chew over and decide upon as soon as we get some decent Spring weather. :-\ It's blowing a gale here right now! 73 Dave G4GED --- This email has been checked for viruses by Avast antivirus software. https://www.avast.com

Topband: Inverted L loading wire dialmma

for any advice. Dave G4GED --- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus _ Searchable Archives: http://www.contesting.com/_topband - Topband Reflector

Re: Topband: PJ2/DK7PE qth?

I saw he is operating from the PJ2T QTH, on Facebook... 73 Dave G3NKC On 11/03/2019 18:20, Jorge Diez - CX6VM wrote: Hello where is Rudi operating from? Extremely strong all night!... _ Searchable Archives: http://www.contesting.com/_topband - Topband Reflector

Re: Topband: sunrise and sunset times FOUND

ever reported adverse side effects from it, or from any other DXLab application. 73, Dave, AA6YQ _ Searchable Archives: http://www.contesting.com/_topband - Topband Reflector

Re: Topband: finding a site for greyline sunrise/sunset times

* more AA6YQ comments below -Original Message- From: Richard (Rick) Karlquist [mailto:rich...@karlquist.com] Sent: Thursday, February 28, 2019 7:16 PM To: Dave AA6YQ; 'terry burge' Cc: topband@contesting.com Subject: Re: Topband: finding a site for greyline sunrise/sunset times On 2/28

Re: Topband: finding a site for greyline sunrise/sunset times

via <https://www.dxlabsuite.com/download.htm> 73, Dave, AA6YQ _ Searchable Archives: http://www.contesting.com/_topband - Topband Reflector

Re: Topband: W7LR

Thanks for sharing the information, Tree. 73, Dave K8MN On 01-Dec-18 16:01, Tree wrote: Many of you have probably noticed that W7LR has not been in the pileups during the past year. I visited Bob exactly a year ago and Cobi as well - Cobi had reached 100 years. Bob is close behind. Cobi

Re: Topband: VP6D

The not staying on until west coast sunrise has been happening a lot with the Pacific DXpeditions on 160 the past few weeks. They have been changing bands 30-45 minutes before sunrise in Arizona and also eliminating California and the rest of the west coast :-( Dave N7RK -- Dave Hollander

Re: Topband: ZL and W6KIP?? back in the 60's?

station on SSB. What an experience that was. ZL2BT became an SK a few years after that and his call his been reissued. Memories Dave N7RK -- Dave Hollander N7RK Arizona Tube Supply http://arizonatubesupply.com Ham Radio Page http://n7rk.com _ Topband Reflector Archives

Re: Topband: KH1/KH7Z TopBand Ops Brief

George, I know you guys will have made the best efforts to optimise your tx capability,  I totally agree with your last comment too. Hats off to you guys, over the years we know that you have given numerous new ones to many on 160m 73 Dave G3NKC  Sent from Samsung tablet

Re: Topband: KH1/KH7Z TopBand Ops Brief

of a real opening time, if I was the dx, I would delete the qso from my log as dubious 73 Dave G3NKC  (op at MD4K, PZ5K and others) Sent from Samsung tablet Original message From: uy0zg Date: 14/07/2018 09:48 (GMT+00:00) To: Peter Voelpel Cc: topband@contesting.com Subject

Re: Topband: PY1RO

Thanks for sharing the news, Herb.  I had the pleasure of working Rolf from home as well as all of my African stops. Dave K8MN On 06-May-18 19:54, Herbert Schoenbohm wrote: Devasting news about Rolf Rasp PY1RO. I went to his home in Niteroi across the harbor from Rio de Janeiro in 1965

Topband: TITANEX Antennas

Hi, Has anyone had a successful purchase from TITANEX Antennas recently please? Thanks Dave UL PURCHASE FROM titanex RECENTLY? --- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus _ Topband Reflector

Re: Topband: Kostas' point

. Dave K8MN On 18-Jan-18 15:00, Jeff Blaine wrote: Another fellow pressed me on this.   What I should have said - that perhaps is more clear - goes like this. 1. Worry about your own operation --> because you can control it. 2. No point to worry about the other guy --> because you

Re: Topband: Kostas' point

So this is sort of like Olympic doping or other amateur endeavors where they keep score? Dave Heil K8MN On 18-Jan-18 05:38, Jeff Blaine wrote: There is no real point of worrying about what the other guy is using.  We only can control our personal operation, and really have to leave

Re: Topband: WebSDR Cheating

Maybe there should be an award for being received at a Web sdr location, the folks that only want real remote receiving don't need to have any real qso's !! Sounds nuts to me 73 Dave G3NKC  Sent from Samsung tablet Original message From: Roger Kennedy <

Topband: VE6WZ

so many years developing skills that are being challenged by software not by other by people.. Thanks again for your post. Dave, AA0RS _ Topband Reflector Archives - http://www.contesting.com/_topband

Re: Topband: WKYW on 1810kc

James Brown doing "Please, Please, Please, Please" S-9 to 10 db over about 30 miles south of Wheeling WV. 73, Dave K8MN Cameron, WV --- This email has been checked for viruses by AVG. http://www.avg.com _ Topband Reflector Archives - http://www.contesting.com/_topband

Re: Topband: Supporting Ladder line

One more thing...if you are supporting ladder line with the recommended twist, you could actually run the paracord through the holes in the ladder line. I don't think it would have any impact on the performance of the ladder line. 73 Dave, KD9VT It's a Belville thing and you wouldn't

Re: Topband: Supporting Ladder line

as a support will allow you to use cheaper wire too. I also supported a 100' run (supported by a tree at 50') of RG213 with no problems using 550 paracord for two years and it was still fine. I use the black UV resistant type at $50 for 500'. 73 Dave, KD9VT It's a Belville thing and you wouldn't

Re: Topband: FT8 qrm

to expect competent ops to be aware of what modes are typically used in what segments of a band, and to listen for an appropriate length of time before first transmitting to ensure they don't QRM an ongoing QSO. 73, Dave, AA6YQ -Original Message- From: Topband [mail

Re: Topband: FT8 qrm

that creates the "I was here first" versus the "A lot of folks know to meet here on this freq at this time" competing interests. Very few of us know all of the competing interests, so people just need to be gentlemen (and ladies) and work together to make it a better experien

Re: Topband: Beverage construction

What value termination resistor, how far did you drive the ground rods, did you slope the last 50' on each end? Sent from my Verizon 4G LTE Droid On Nov 23, 2017 12:36 PM, Carol Richards wrote: > > Hello all, > > > I finally put up a beverage antenna...about 400 feet long. I

Re: Topband: FT8 - the end of 160m old school DXing? (long)

modes are unlikely to extend them to convey voice. 73, Dave, AA6YQ _ Topband Reflector Archives - http://www.contesting.com/_topband

Re: Topband: FT8 - the end of 160m old school DXing? (long)

Hi Steve Sorry we never got on 160 , but many problems setting up the station We are hopeful to get on tomorrow and Tuesday, hoping enough station won't be packed away! Vk4ma just asked about a sked too. 73 dave Sent from Samsung tablet Original message From: Steve

Re: Topband: A way forward to keep 'old school' modes vibrant alongside FT-8? (long)

>>>AA6YQ comments below -Original Message- From: Mark K3MSB [mailto:mark.k3...@gmail.com] Sent: Thursday, October 26, 2017 1:28 PM To: Dave AA6YQ Cc: topBand List Subject: Re: Topband: A way forward to keep 'old school' modes vibrant alongside FT-8? (long) You can’t retract a

Re: Topband: A way forward to keep 'old school' modes vibrant alongside FT-8? (long)

retracted if they included JT65 QSOs? What about WAS and VUCC awards? For the record, none of my DXCC or Challenge award credits come from "K1JT mode" QSOs, but I am using FT8 QSOs in this year's CQ DX Marathon on 160m. 73, Dave, AA6YQ -Original Messag

Re: Topband: FT8 - the end of 160m old school DXing?

um to the amateur >>>radio service is to drive technical advancement. What Joe K1JT et al have accomplished with FT8 is exactly what we as a community of amateur operators are expected to be doing. No one is forcing you to use new technologies; there's no excuse for whining. >>>And yes, I'll stay off you damn lawn. 73, Dave, AA6YQ _ Topband Reflector Archives - http://www.contesting.com/_topband

Re: Topband: FT8 - the end of 160m old school DXing? (long)

with RTTY or PSK for decades. No >>>one is interested in running a QSO machine. 73, Dave, AA6YQ _ Topband Reflector Archives - http://www.contesting.com/_topband

Re: Topband: FT8 - the end of 160m old school DXing? (long)

73, Dave, AA6YQ _ Topband Reflector Archives - http://www.contesting.com/_topband

Re: Topband: 3C0L

have been ESP if it was.After about 45 minutes or so I gave up for a bit. Went upstairs and did a few things and came back down 30 minutes or so later and got them solid within the next dozen or so calls. 73, Dave - N9FN -Original Message- From: Topband [mailto:topband-boun

Re: Topband: Top Band and JT65

As an electrical engineer you should realize that your rig _also_ turns otherwise undetected signals into something you can hear. Open the window, hearing any DX? - Original Message - From: To: Sent: Saturday, May 20, 2017 11:47 PM

Topband: Front End Filters

, since changing to a more modern rig, an IC7851, the filter provides no significant improvement. For working DX on a crowded band it is useful if your rig does not have a good roofing filter. HNY /MX Dave AA0RS _ Topband Reflector Archives - http://www.contesting.com/_topband

Topband: "Thinking out loud" - Something else to Think About (REV)

-multi operation. Dave, K1FK Fort Kent, ME _ Topband Reflector Archives - http://www.contesting.com/_topband

Topband: "Thinking out loud" - Something else to Think About

. Dave, K1FKFort Kent, ME _ Topband Reflector Archives - http://www.contesting.com/_topband

Re: Topband: DX Propagation long path is getting strong this season

aries/2016/Callaway.pdf> and a presentation is available here: <http://www.qsl.net/k4fk/presentations/VK9C-W4.pdf> 73, Dave, AA6YQ -Original Message- From: Topband [mailto:topband-boun...@contesting.com] On Behalf Of JC Sent: Tuesday, December 06, 2016 9:01 AM To

Topband: xxx

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Topband: FAA, Tower Painting

eone wants to take this to the courts.. Dave AA0RS _ Topband Reflector Archives - http://www.contesting.com/_topband

Re: Topband: Best way to jury rig a quick 160m contest antenna?

luck - with those constraints! I have tried similar things in the past - with miserable results. 73 es have fun, Dave KM3T _ Topband Reflector Archives - http://www.contesting.com/_topband

Re: Topband: OT: Studying the ionosphere using RBN

This is why. I want to know who is calling CQ on there. Dave On 5/30/2016 7:46 PM, Jim wrote: Why waste time and energy with RBN stuff. We have the tool that does 90% of the work for us an no one uses it because it is digital. WHISPER is the perfect tool. If everyone would put their SSB

Re: Topband: Strange 160m intruder

WOW! I'll be sure to avoid a LDG washer. Dave, W5UN The strange intruder that John W1FV reports follows what I have seen in PCM DC direct drive motors. Specifically I've seen and heard this pattern from a LDG washer, the type that can't wash the salt off a saltine cracker. It also could

Re: Topband: VOA antenna farm

This is almost sinful. What an awful waste. Dave, W5UN On 4/8/2016 3:09 PM, william radice wrote: OMG, this is so sad I almost cried:'( :'( BILL K4OWR On 4/8/2016 9:30 AM, Katz Ajamas wrote: https://www.youtube.com/watch?v=Zcsbny8PFZw _ Topband Reflector Archives - http

Topband: Test post msg

DaveW _ Topband Reflector Archives - http://www.contesting.com/_topband

Re: Topband: Stew

It means Ah Ha On 3/13/2016 3:21 PM, Glenn Wyant wrote: Is" AH " some sort of Gentlemans secret code ? Surely it cant be what I think ! Not double standards in the Stew ! va3dx Subject: Topband: Stew Spent a total of 4 hours in the SP. Activity,

Re: Topband: Topband Digest, Vol 158, Issue 20

" "UP", so I know it was definitely them. They were too weak for me to call with confidence that I would hear what they would send back! They faded down about 10:40 UT and re appeared at about 11:20 UT when they were Q5. Good Luck to all! Dave K1WHS Message: 11 Date: Wed, 24 Feb

Re: Topband: VP8STI rumor

Where is this "camp dismantled" news posted? Dave, W5UN On 1/26/2016 9:25 PM, Steve Jones wrote: from DXnews VP8STI News 26 January 2016 Camp dismantled. No information about VP8SGI <http://dxnews.com/vp8sgi-south-georgia/> activity. More information will b

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