Date   

Re: August Ozark QRP Banner

W6BOW
 

Thanks for the super August Banner. The breadth and depth of knowledge, plus the wry sense of humor possessed by our fellow hams never ceases to amaze and delight. Thanks for delivering the news in a readable, colorful format.

Don (W6BOW)


On Aug 20, 2021, at 5:18 PM, Karl Schwab <schwab.karl@...> wrote:

I too, enjoyed the fantastic August Banner!  Glad to read that maybe a 20m Cricket?  Now, I'll be looking forward to seeing a 20m CW net to follow.  20m would be a better band for me to KS from Michigan; besides, I have a Yagi for 20m.  73, Karl, KO8S


Re: Brutus bash...

Johnny AC0BQ
 

Hello Wayne
I don’t know that.
Quite interesting.
72
Johnny 

On Sun, Aug 22, 2021 at 7:54 PM Wayne Dillon <wayne.dillon@...> wrote:
Finnyt thing about Big Brurus, according to records Big Brutus never moved an ounce of coal deliberately, It was use to remove the overburden (topsoil and non ore bearing "dirt" ) before the coal was extracted. Just another useless piece of trivia I picked up somewhere. C U all there, Wayne - NQ0RP

--
 
QRP -  EFFICIENCY AND SKILL, NOT POWER. 
 
God Bless from Wayne Dillon - NQ0RP

Fate whispered to courageous "You cannot withstand the storm"
Courageous  whispered back "I am the storm"

--
Check out the 4SQRP website at 4sqrp.com


Brutus bash...

Wayne Dillon
 

Finnyt thing about Big Brurus, according to records Big Brutus never moved an ounce of coal deliberately, It was use to remove the overburden (topsoil and non ore bearing "dirt" ) before the coal was extracted. Just another useless piece of trivia I picked up somewhere. C U all there, Wayne - NQ0RP

--
 
QRP -  EFFICIENCY AND SKILL, NOT POWER. 
 
God Bless from Wayne Dillon - NQ0RP

Fate whispered to courageous "You cannot withstand the storm"
Courageous  whispered back "I am the storm"


Re: Mobile for RV?

Mlike McEwen
 

Derek, very interesting...you did a great job of troubleshooting.


On Sun, Aug 22, 2021, 2:02 PM Derek Burrage <dmburrage425@...> wrote:
I recently stayed in an RV on a permanent site, which shares external AC power with two other sites (so the max current draw is limited). My QRP Norcal40A was running 40M into an inverted V wire dipole in a tree behind the rig, This setup  tripped the Ground Fault circuit when the RF output exceeded about1- 2W. I tried powering the radio from an inverter (TripLyte) running in my Ford Explorer, and it worked OK, but the HF noise  on RX was intolerable. Presumably the car would be shielding the radiation, in which case the noise would have come through the power cable. Interestingly, the power brick for my high end laptop was also tripping the RV GF protection circuit but It too ran fine on the TripLyte (but without interference). The solution for both problems was to plug a power conditioner with 2 AC outlets into the RV (not merely a surge supressor). After that the HF rig ran happily and reliably at full 5W QRP and the Laptop brick only tripped the circuit occasionally. 


Re: Mobile for RV?

Derek Burrage
 

I recently stayed in an RV on a permanent site, which shares external AC power with two other sites (so the max current draw is limited). My QRP Norcal40A was running 40M into an inverted V wire dipole in a tree behind the rig, This setup  tripped the Ground Fault circuit when the RF output exceeded about1- 2W. I tried powering the radio from an inverter (TripLyte) running in my Ford Explorer, and it worked OK, but the HF noise  on RX was intolerable. Presumably the car would be shielding the radiation, in which case the noise would have come through the power cable. Interestingly, the power brick for my high end laptop was also tripping the RV GF protection circuit but It too ran fine on the TripLyte (but without interference). The solution for both problems was to plug a power conditioner with 2 AC outlets into the RV (not merely a surge supressor). After that the HF rig ran happily and reliably at full 5W QRP and the Laptop brick only tripped the circuit occasionally. 


Re: Mobile for RV?

Curt
 

Doc

If you do mobile operating mostly in place something like the wolf river coil could work. I just received mine and quality is quite good. 

Curt


Re: Mobile for RV?

Russell Ferris
 

I’m in a Rv I actually have a vertical and I run aprs I’m getting ready to put up a wire antenna 


Re: Mobile for RV?

Mlike McEwen
 

We have a 22ft class C on a Chevy... it is two years old with 26000mi. Stored power connected under drive in RV shed.

I have a Yaesu FT951.  We typically stay at an RV park with electric. Not typically extended wire antenna friendly.  I only do 2M while driving...have a nice 2M mobile antenna.  20 and 40 SSB are my typical bands. 

73 K5OSA




On Fri, Aug 20, 2021, 11:09 PM Randy Drake via groups.io <kb4qqj=yahoo.com@groups.io> wrote:
Doc,
Can you tell us a little more about "What" the RV is? Class A, 5th wheel, Class C etc...
I've been RV'ing over the past 40 years with different recipes. Most recent is Fleetwood Expedition. On the road operating and many antennas for set up at the camp site. (cw only)
You've had some good advice, but if you can tell us a bit more about your rig ( RV and radio) we can narrow your options down some. Not much to worry about damaging your electronics but some of the inverters are HF killers!!! ugh

Randy_KB4QQJ


Re: Mobile for RV?

Randy Drake
 

Doc,
Can you tell us a little more about "What" the RV is? Class A, 5th wheel, Class C etc...
I've been RV'ing over the past 40 years with different recipes. Most recent is Fleetwood Expedition. On the road operating and many antennas for set up at the camp site. (cw only)
You've had some good advice, but if you can tell us a bit more about your rig ( RV and radio) we can narrow your options down some. Not much to worry about damaging your electronics but some of the inverters are HF killers!!! ugh

Randy_KB4QQJ


Re: August Ozark QRP Banner

Karl Schwab
 

I too, enjoyed the fantastic August Banner!  Glad to read that maybe a 20m Cricket?  Now, I'll be looking forward to seeing a 20m CW net to follow.  20m would be a better band for me to KS from Michigan; besides, I have a Yagi for 20m.  73, Karl, KO8S


Re: #BRUTUS 2021 #BRUTUS

Charles W. Powell
 

I have to send my regrets for Brutus.  Sad that I have to miss it, but I didn't know it was going to happen and I am scheduled to work - through the 12th.  Maybe next year.

72,

Charles - NK8O

On 8/19/21 1:43 PM, W0MQY wrote:
Hello Johnny and Wayne
I too am planning on attending the Brutus Bash...   I hope it cools down some by then. Sure is hot and muggy here.
Just got back off of a 16 mile bike ride and it was pretty warm with high humidity.  The due point is 74 degrees and the temperature is
84 here now.  It was a good ride but had me looking for shade trees along the route.   See ya all at Brutus
72  Joe W0MQY

On Thu, Aug 19, 2021 at 11:15 AM Johnny AC0BQ <jomatlock@...> wrote:
Alright Wayne!
Cu there.
72
Johnny 

On Thu, Aug 19, 2021 at 10:33 AM Wayne Dillon <wayne.dillon@...> wrote:
I do plan on attending. It's been a while.
--
Check out the 4SQRP website at 4sqrp.com


--
Joe Porter, PhD

SEKARC.net

A.R.R.L. Member
F.I.S.T.S. cw club   #19078
N.A.Q.C.C.   #10355
4sqrp Group   #103
S.K.C.C.   #4213
NJ Skeeter  #24 (2021), #66  (2020)
Sasquatch   #855
Qrparci   #12810
       


Re: Baseball and ham radio

Johnny AC0BQ
 

That’s ausome Jim, thanks for Sharing.
72 Johnny ACØBQ 

On Thu, Aug 19, 2021 at 3:02 PM Jim, N5IB <n5ib@...> wrote:
Check out the Little League World Series on ESPN

Just heard a player profile... the Tennessee shortstop/pitcher, Ryan Pearson, is KN4VKW.

Send that young man a QSL card!

Jim, N5IB











--
Check out the 4SQRP website at 4sqrp.com


Baseball and ham radio

Jim, N5IB
 

Check out the Little League World Series on ESPN

Just heard a player profile... the Tennessee shortstop/pitcher, Ryan Pearson, is KN4VKW.

Send that young man a QSL card!

Jim, N5IB


Re: Mobile for RV?

Kent Trimble, K9ZTV
 

Hi Mike . . .

There is a caveat hidden among all the suggestions you'll get about HF mobile antennas and that is the potential risk to your vehicle's electronic systems from exposure to strong RF fields.  That risk extends to the myriad of electronics in both the vehicle part and the RV part of your overall rig.

If your intent is to operate only while parked the risk is minimal except to the RV's air-conditioning, charging, and entertainment systems.  But your term "on the road" suggests you will be operating while traveling.

Mobile HF is not a "plug-n-play" situation.  It requires serious forethought, much bonding, consultations with the RV builder, and studious homework.

73,

Kent  K9ZTV
HF mobile since 1971
 


On 8/19/2021 12:23 PM, Mlike McEwen wrote:
It looks like I am going to get on the road with our RV... What are some good "on the road" 20/40 antennas?

72/73 Doc K5OSA



Virus-free. www.avg.com


Re: Mobile for RV?

w9ran
 

On 8/19/2021 1:10 PM, Glenn Simons wrote:
"Classic" HF mobile antenna on QRZ.  Its called a Webster Band Spanner.
The Band Spanner is great, was always one of the top mobile choices back when it was new.   Just be aware that there's a lot of force on that 3/8" mounting stud when you're going down the road.    I still look for the one I lost on my way home from camping near the Mississippi River but most likely some farmer sharpened his mower blade on it while mowing the ditch.    Broke clean off at the top of the stud.

73, Bob W9RAN


Re: Mobile for RV?

Glenn Simons
 

Doc,

Just caught your email about going mobile HF.  Interesting timing.   I was just about to post a "Classic" HF mobile antenna on QRZ.  Its called a Webster Band Spanner.   It's basically a manually adjusted screw driver antenna.   It operates on 6 through 80 meters.   The base or body of the antenna with the built in coil is about 5 feet.  The extended whip goes out another 60 plus inches max.  So we're talking about 9 feet when extending for 80 meters.  Shorter for the higher frequencies.  Then there is a stainless whip that you slide in and out depending on the band your going to work and lock in in place with the locking ferrel on the top of the body.   There are etch marks along the stainless whip for each band.  So you can get it in the ball park pretty quick.   I've been fine tuning it with my MFJ Antenna Analyzer.  It's test  proven over decades. You can google search it and even read a review on Ham Reviews:
KG7D Rating: 2008-03-05; High Q excellent mobile antenna Time Owned: more than 12 months. I have two of these, one for backup if one hits something and breaks, and run HF mobile in my truck with the base mounted on top of the pickup box, drivers side to reduce power line static.
www.eham.net
I"ve attached some pictures for your view pleasure.   It does have some weight to it.  So if you were to go this route, I'd strongly recommend a piece of nylon rope as a guy line.   I've used this antenna on the back of my Jeep and other vehicle over the year very successfully.

The band spanners are difficult to find, I'm sure you'll search this out and find out for yourself.   If your interested I'll give you the first crack at it before I post it on QRZ.    I'll be listing it for $150 plus shipping.

Other antenna's to look at are the newer motorized screwdriver antenna's, like the Yaseu ATAS 120,  look at the TAR Heels products as well.   Then there are the more traditional mobile HF antennas like the Hustler product that uses a stainless mast with separate "resonators" (basically a coil with a small adjustable whip) for each band.  So you would have to change the resonator each time you want to qsy to a different band.  But people have made brackets to mount on the top of the mast that will accomodate muiltiple resonators.   Finally you have the "Hamsticks"  on stick for each band.   Again this is basically a 4-5 foot body with a coil shrink wrapped inside and it also has a stainless whip that you slide up and down to adjust the swr. 

We'll that's what I know.   And what I have to offer.     Bottom line.   Get out there and have a great time.

Let me know if your interested in the Band Spanner.   If you are I'll accept Paypal or Money Order.

Cheers, 73's and safe mobiling!

Glenn/N3COB

Sent from Outlook



From: main@4SQRP.groups.io <main@4SQRP.groups.io> on behalf of Mlike McEwen <michael.t.mcewen@...>
Sent: Thursday, August 19, 2021 11:23 AM
To: 4SQRP@groups.io <4SQRP@groups.io>
Subject: [4SQRP] Mobile for RV?
 
It looks like I am going to get on the road with our RV... What are some good "on the road" 20/40 antennas?

72/73 Doc K5OSA


Re: Mobile for RV?

Curt
 

Doc

If you will rarely qsy across a band, check out wolf River coils. Manual tune version of a Tarheel. The smaller one will do 40 and 20 meters, works with a standard mobile whip. 

Curt


Re: Mobile for RV?

wb6ogd
 

If you installed an autotuner like the Icom AH-4, you could load up a mobile whip or (almost) any length
end fed wire when you get to a camp site.  This works great on all bands too.  A few random length
ground counterpoises will help a lot at the camp, this is what I have been using for years at home, have
worked the world with 100watts ssb when there are sunspots  ;-)
73,
Gary
WB6OGD


On 8/19/2021 11:04 AM, OwlCricker - K7ULM wrote:
Mike, If money is not an option the screwdriver gives the best band flexibility.  Band changes while traveling with other antennas require stopping.  The people with Wolf River Coils can quickly change bands without changing antennas.  I have had exceptional performance Shark antenna hamsticks with a mag mount and quick change base.  You do have to get out of the vehicle to change bands, but it is quite budget minded.  
A 40m EFHW can be simple and effective for camp spot set up as is the Wolf River Coil.  Chameleon makes great antennas for portable set up.

I am with Bobbie in that the screwdrivers like the Tarheel are hard to beat for multiband and ease of use.  The theory of Buy Once, Cry Once is very true in the ham experience.  For cost sake and testing the mobile experience I chose to go with Shark antenna hamsticks and am amazed at the performance.  The main inconvenience is pulling over and changing the stick for band changes. They regularly get me contact across the  US and DX from 10w to 50w.  Buildings and power lines are an issue, but on the open road you will be amazed what the screwdriver or hamstick will do.  Eventually I will go to the Tarheel, for now I am having great fun.
Good luck 73
- - - - - - - - - - - - - - - - - - -
Dick Wendell - K7ULM
406-781-1333

If you don't know Morse Code,
You don't know dit.


On Thu, Aug 19, 2021 at 11:24 AM Mlike McEwen <michael.t.mcewen@...> wrote:
It looks like I am going to get on the road with our RV... What are some good "on the road" 20/40 antennas?

72/73 Doc K5OSA



Re: Mobile for RV?

OwlCricker - K7ULM
 

Mike, If money is not an option the screwdriver gives the best band flexibility.  Band changes while traveling with other antennas require stopping.  The people with Wolf River Coils can quickly change bands without changing antennas.  I have had exceptional performance Shark antenna hamsticks with a mag mount and quick change base.  You do have to get out of the vehicle to change bands, but it is quite budget minded.  
A 40m EFHW can be simple and effective for camp spot set up as is the Wolf River Coil.  Chameleon makes great antennas for portable set up.

I am with Bobbie in that the screwdrivers like the Tarheel are hard to beat for multiband and ease of use.  The theory of Buy Once, Cry Once is very true in the ham experience.  For cost sake and testing the mobile experience I chose to go with Shark antenna hamsticks and am amazed at the performance.  The main inconvenience is pulling over and changing the stick for band changes. They regularly get me contact across the  US and DX from 10w to 50w.  Buildings and power lines are an issue, but on the open road you will be amazed what the screwdriver or hamstick will do.  Eventually I will go to the Tarheel, for now I am having great fun.
Good luck 73
- - - - - - - - - - - - - - - - - - -
Dick Wendell - K7ULM
406-781-1333

If you don't know Morse Code,
You don't know dit.


On Thu, Aug 19, 2021 at 11:24 AM Mlike McEwen <michael.t.mcewen@...> wrote:
It looks like I am going to get on the road with our RV... What are some good "on the road" 20/40 antennas?

72/73 Doc K5OSA


Re: Mobile for RV?

Bobby Drummond
 

For convenience and good general performance Tarheel Antennas have worked well for me in the past.  Here’s their website:  <https://www.tarheelantennas.com>

You could use “hamstick” type antennas but they are usually mono-band and would be less convenient.  They are much less expensive though and work fairly well over a decent ground plane when vertically polarized.

You could also use a dual band end fed wire antenna (various companies make them now) if you have cases where you can erect that type of antenna.

Lots of possibilities but for ease of use, overall convenience and reliability, it’s hard to go wrong with a “tarheel” type antenna for mobile operation.


73 de AK4JA 


On Aug 19, 2021, at 1:23 PM, Mlike McEwen <michael.t.mcewen@...> wrote:

It looks like I am going to get on the road with our RV... What are some good "on the road" 20/40 antennas?

72/73 Doc K5OSA


601 - 620 of 25532