Re: [BVARC] Please explain this end fed antenna

2024-05-09 Thread Chris Medlin via BVARC
Ive read about the 64:1 being used on end fed half waves. I personally use a 
49:1. I think its really going to depend on the impedance. If 3200 ohm, use 
64:1. If its 2450 ohm go with the 49:1.


Chris/AC5CM

Typos brought to you by iPhone

On May 8, 2024, at 00:12, Gary Sitton via BVARC  wrote:


I agree on a 49:! Unun for HWEF use. For 1.8 mhz special care should be taken 
in the design.
G.


On May 7, 2024 8:48:02 PM Michael Shanks via BVARC  wrote:

I do believe it would be best to go to a 64 to 1 ballon I believe it’s 64 to 
one I could be wrong rather than the 49 to one for that wire if you got the 
space try it I have
Sent from my iPhone

On May 7, 2024, at 8:24 PM, Michael Shanks  wrote:

If I remember correctly, my NF half wave for 180 was 262 with a 49 one ballon 
about 20 foot to 37 foot up in the air worked well with that much wire in the 
air. You’d be surprised what you can hear.
Sent from my iPhone

On May 6, 2024, at 7:08 PM, Gary Sitton via BVARC  wrote:


Also, if the main portion isn't well above ground, you'll need to make the 
length greater to account for the capacitive effect of the ground itself. L 
configurations are very effective but avoid the inverted V scheme.
G.


On May 6, 2024 12:58:52 PM Gary Sitton via BVARC  wrote:

Clue: HWEF (half wave end fed) so half of160 meters is 80 meters or about 250 
feet!
Gary K5AMH


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Re: [BVARC] Please explain this end fed antenna

2024-05-07 Thread Gary Sitton via BVARC
I agree on a 49:! Unun for HWEF use. For 1.8 mhz special care should be 
taken in the design.

G.

On May 7, 2024 8:48:02 PM Michael Shanks via BVARC  wrote:
I do believe it would be best to go to a 64 to 1 ballon I believe it’s 64 
to one I could be wrong rather than the 49 to one for that wire if you got 
the space try it I have


Sent from my iPhone


On May 7, 2024, at 8:24 PM, Michael Shanks  wrote:
If I remember correctly, my NF half wave for 180 was 262 with a 49 one 
ballon about 20 foot to 37 foot up in the air worked well with that much 
wire in the air. You’d be surprised what you can hear.


Sent from my iPhone


On May 6, 2024, at 7:08 PM, Gary Sitton via BVARC  wrote:
Also, if the main portion isn't well above ground, you'll need to make the 
length greater to account for the capacitive effect of the ground itself. L 
configurations are very effective but avoid the inverted V scheme.

G.

On May 6, 2024 12:58:52 PM Gary Sitton via BVARC  wrote:
Clue: HWEF (half wave end fed) so half of160 meters is 80 meters or about 
250 feet!

Gary K5AMH


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Re: [BVARC] Please explain this end fed antenna

2024-05-07 Thread Michael Shanks via BVARC
I do believe it would be best to go to a 64 to 1 ballon I believe it’s 64 to one I could be wrong rather than the 49 to one for that wire if you got the space try it I haveSent from my iPhoneOn May 7, 2024, at 8:24 PM, Michael Shanks  wrote:If I remember correctly, my NF half wave for 180 was 262 with a 49 one ballon about 20 foot to 37 foot up in the air worked well with that much wire in the air. You’d be surprised what you can hear.Sent from my iPhoneOn May 6, 2024, at 7:08 PM, Gary Sitton via BVARC  wrote:



Also, if the main portion isn't well above ground, you'll need to make the length greater to account for the capacitive effect of the ground itself. L configurations are very effective but avoid the inverted V scheme.G.




On May 6, 2024 12:58:52 PM Gary Sitton via BVARC  wrote:

Clue: HWEF (half wave end fed) so half of160 meters is 80 meters or about 250 feet!Gary K5AMH 

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Re: [BVARC] Please explain this end fed antenna

2024-05-07 Thread Michael Shanks via BVARC
If I remember correctly, my NF half wave for 180 was 262 with a 49 one ballon about 20 foot to 37 foot up in the air worked well with that much wire in the air. You’d be surprised what you can hear.Sent from my iPhoneOn May 6, 2024, at 7:08 PM, Gary Sitton via BVARC  wrote:



Also, if the main portion isn't well above ground, you'll need to make the length greater to account for the capacitive effect of the ground itself. L configurations are very effective but avoid the inverted V scheme.G.




On May 6, 2024 12:58:52 PM Gary Sitton via BVARC  wrote:

Clue: HWEF (half wave end fed) so half of160 meters is 80 meters or about 250 feet!Gary K5AMH 

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Re: [BVARC] Please explain this end fed antenna

2024-05-06 Thread Gary Sitton via BVARC
Also, if the main portion isn't well above ground, you'll need to make the 
length greater to account for the capacitive effect of the ground itself. L 
configurations are very effective but avoid the inverted V scheme.

G.

On May 6, 2024 12:58:52 PM Gary Sitton via BVARC  wrote:
Clue: HWEF (half wave end fed) so half of160 meters is 80 meters or about 
250 feet!

Gary K5AMH


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Re: [BVARC] Please explain this end fed antenna

2024-05-06 Thread Chris Medlin via BVARC
Hey John.
160M band would be about 259 ft long and because this band has such a low take 
off angle, youd have to get this up pretty high.

Chris/AC5CM


Typos brought to you by iPhone

On May 6, 2024, at 10:45, john Parmalee via BVARC  wrote:

 So Rick, how long should I make these antennas and how long would it be to do 
160?


Sent from the all new AOL app for 
iOS


On Saturday, April 13, 2024, 9:13 AM, Rick Hiller via BVARC  
wrote:

Yes but a 40 mx half wave wire loads on 40, 20, 15 and 10.An 80 mx half 
wave loads 80 thru 10 including WARC.’s.  Final matching uses the rigs internal 
tuner to bring things down further to an operable SWR.
GL.  W5RH


Sent from my i-Thingamajig

On Apr 13, 2024, at 1:48 AM, Suggs, Marvin (KTRK-TV) via BVARC 
 wrote:


Ok you hang the balun on the mast and string the wire to a tree? To work 20 
meters, you’d have a 20 meter wire? Does that sound plausible?
Thanks
Marvin
N5RKW
Sent from my iPhone

On Apr 12, 2024, at 9:10 PM, Mike Knerr via BVARC  wrote:



This Message is From an External Sender
Caution: Do not click links or open attachments unless you recognize the sender 
and know the content is safe.

It is Chinese company.

On Fri, Apr 12, 2024, 8:56 PM Suggs, Marvin (KTRK-TV) via BVARC 
mailto:bvarc@bvarc.org>> wrote:
[image0.png][image1.png]
Sent from my iPhone

On Apr 12, 2024, at 8:06 PM, Rick Hiller via BVARC 
mailto:bvarc@bvarc.org>> wrote:



This Message is From an External Sender
Caution: Do not click links or open attachments unless you recognize the sender 
and know the content is safe.

To me, it sounds like this is written by someone who doesn't understand 
antennas or that English is their second or third language.

It is a typical EFHW descriptionSo who  is the manufacturer or the seller?  
 Sounds commercial, not home brew.

73...Rick  W5RH

On Fri, Apr 12, 2024 at 7:43 PM Suggs, Marvin (KTRK-TV) via BVARC 
mailto:bvarc@bvarc.org>> wrote:
Thank you



Sent from my iPhone

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e-mail: rickhille...@gmail.com
Cell/VM/Text:832-474-3713
Physical: 9031 Troulon Drive
   Houston, TX 77036

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Re: [BVARC] Please explain this end fed antenna

2024-05-06 Thread Gary Sitton via BVARC
Clue: HWEF (half wave end fed) so half of160 meters is 80 meters or about 
250 feet!

Gary K5AMH

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Re: [BVARC] Please explain this end fed antenna

2024-05-06 Thread john Parmalee via BVARC
So Rick, how long should I make these antennas and how long would it be to do 
160?


Sent from the all new AOL app for iOS


On Saturday, April 13, 2024, 9:13 AM, Rick Hiller via BVARC  
wrote:

Yes but a 40 mx half wave wire loads on 40, 20, 15 and 10.    An 80 mx half 
wave loads 80 thru 10 including WARC.’s.  Final matching uses the rigs internal 
tuner to bring things down further to an operable SWR.GL.  W5RH


Sent from my i-Thingamajig

On Apr 13, 2024, at 1:48 AM, Suggs, Marvin (KTRK-TV) via BVARC 
 wrote:




Ok you hang the balun on the mast and string the wire to a tree? To work 20 
meters, you’d have a 20 meter wire? Does that sound plausible?ThanksMarvin N5RKW
Sent from my iPhone

On Apr 12, 2024, at 9:10 PM, Mike Knerr via BVARC  wrote:




This Message is From an External Sender
Caution: Do not click links or open attachments unless you recognize the sender 
and know the content is safe.
It is Chinese company. 
On Fri, Apr 12, 2024, 8:56 PM Suggs, Marvin (KTRK-TV) via BVARC 
 wrote:


Sent from my iPhone

On Apr 12, 2024, at 8:06 PM, Rick Hiller via BVARC  wrote:




This Message is From an External Sender
Caution: Do not click links or open attachments unless you recognize the sender 
and know the content is safe.
To me, it sounds like this is written by someone who doesn't understand 
antennas or that English is their second or third language.
It is a typical EFHW descriptionSo who  is the manufacturer or the seller?  
 Sounds commercial, not home brew.
73...Rick  W5RH 
On Fri, Apr 12, 2024 at 7:43 PM Suggs, Marvin (KTRK-TV) via BVARC 
 wrote:

Thank you 


Sent from my iPhone
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-- 
Rick Hiller  W5RHe-mail:     rickhiller73@gmail.comCell/VM/Text:        
832-474-3713
Physical: 9031 Troulon Drive               Houston, TX 
77036
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Re: [BVARC] Please explain this end fed antenna

2024-04-13 Thread Suggs, Marvin (KTRK-TV) via BVARC
Thanks Rick!
Sent from my iPhone

On Apr 13, 2024, at 9:13 AM, Rick Hiller via BVARC  wrote:



This Message is From an External Sender
Caution: Do not click links or open attachments unless you recognize the sender 
and know the content is safe.

Yes but a 40 mx half wave wire loads on 40, 20, 15 and 10.An 80 mx half 
wave loads 80 thru 10 including WARC.’s.  Final matching uses the rigs internal 
tuner to bring things down further to an operable SWR.
GL.  W5RH


Sent from my i-Thingamajig

On Apr 13, 2024, at 1:48 AM, Suggs, Marvin (KTRK-TV) via BVARC 
 wrote:

 Ok you hang the balun on the mast and string the wire to a tree? To work 20 
meters, you’d have a 20 meter wire? Does that sound plausible?
Thanks
Marvin
N5RKW
Sent from my iPhone

On Apr 12, 2024, at 9:10 PM, Mike Knerr via BVARC  wrote:



This Message is From an External Sender
Caution: Do not click links or open attachments unless you recognize the sender 
and know the content is safe.

It is Chinese company.

On Fri, Apr 12, 2024, 8:56 PM Suggs, Marvin (KTRK-TV) via BVARC 
mailto:bvarc@bvarc.org>> wrote:
[image0.png][image1.png]
Sent from my iPhone

On Apr 12, 2024, at 8:06 PM, Rick Hiller via BVARC 
mailto:bvarc@bvarc.org>> wrote:



This Message is From an External Sender
Caution: Do not click links or open attachments unless you recognize the sender 
and know the content is safe.

To me, it sounds like this is written by someone who doesn't understand 
antennas or that English is their second or third language.

It is a typical EFHW descriptionSo who  is the manufacturer or the seller?  
 Sounds commercial, not home brew.

73...Rick  W5RH

On Fri, Apr 12, 2024 at 7:43 PM Suggs, Marvin (KTRK-TV) via BVARC 
mailto:bvarc@bvarc.org>> wrote:
Thank you



Sent from my iPhone

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--
Rick Hiller  W5RH
e-mail: rickhille...@gmail.com
Cell/VM/Text:832-474-3713
Physical: 9031 Troulon Drive
   Houston, TX 77036

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Re: [BVARC] Please explain this end fed antenna

2024-04-13 Thread Rick Hiller via BVARC
Yes but a 40 mx half wave wire loads on 40, 20, 15 and 10.    An 80 mx half wave loads 80 thru 10 including WARC.’s.  Final matching uses the rigs internal tuner to bring things down further to an operable SWR.GL.  W5RHSent from my i-ThingamajigOn Apr 13, 2024, at 1:48 AM, Suggs, Marvin (KTRK-TV) via BVARC  wrote:




Ok you hang the balun on the mast and string the wire to a tree? To work 20 meters, you’d have a 20 meter wire? Does that sound plausible?
Thanks
Marvin 
N5RKW
Sent from my iPhone

On Apr 12, 2024, at 9:10 PM, Mike Knerr via BVARC  wrote:






This Message is From an External Sender
Caution: Do not click links or open attachments unless you recognize the sender and know the content is safe.



It is Chinese company. 


On Fri, Apr 12, 2024, 8:56 PM Suggs, Marvin (KTRK-TV) via BVARC  wrote:



Sent from my iPhone

On Apr 12, 2024, at 8:06 PM, Rick Hiller via BVARC  wrote:






This Message is From an External Sender
Caution: Do not click links or open attachments unless you recognize the sender and know the content is safe.



To me, it sounds like this is written by someone who doesn't understand antennas or that English is their second or third language.


It is a typical EFHW descriptionSo who  is the manufacturer or the seller?   Sounds commercial, not home brew.


73...Rick  W5RH 



On Fri, Apr 12, 2024 at 7:43 PM Suggs, Marvin (KTRK-TV) via BVARC  wrote:



Thank you 




Sent from my iPhone


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-- 

Rick Hiller  W5RH
e-mail:     
rickhille...@gmail.com
Cell/VM/Text:        832-474-3713

Physical: 9031 Troulon Drive
               Houston, TX 77036




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Re: [BVARC] Please explain this end fed antenna

2024-04-13 Thread Jeff Greer via BVARC
This may help.

https://www.electronics-notes.com/articles/antennas-propagation/end-fed-wire-antenna/multiband-end-fed-half-wave-efhw-antenna.php#:~:text=The%20end%20fed%20half%20wave%20antenna%20is%20an%20attractive%20option,a%20very%20ugly%20visual%20impact.



Sent from my mobile phone



 Original message 
From: "Suggs, Marvin (KTRK-TV) via BVARC" 
Date: 4/13/24 1:48 AM (GMT-06:00)
To: BRAZOS VALLEY AMATEUR RADIO CLUB 
Cc: "Suggs, Marvin (KTRK-TV)" 
Subject: Re: [BVARC] Please explain this end fed antenna

Ok you hang the balun on the mast and string the wire to a tree? To work 20 
meters, you’d have a 20 meter wire? Does that sound plausible?
Thanks
Marvin
N5RKW
Sent from my iPhone

On Apr 12, 2024, at 9:10 PM, Mike Knerr via BVARC  wrote:



This Message is From an External Sender
Caution: Do not click links or open attachments unless you recognize the sender 
and know the content is safe.

It is Chinese company.

On Fri, Apr 12, 2024, 8:56 PM Suggs, Marvin (KTRK-TV) via BVARC 
mailto:bvarc@bvarc.org>> wrote:
[image0.png][image1.png]
Sent from my iPhone

On Apr 12, 2024, at 8:06 PM, Rick Hiller via BVARC 
mailto:bvarc@bvarc.org>> wrote:



This Message is From an External Sender
Caution: Do not click links or open attachments unless you recognize the sender 
and know the content is safe.

To me, it sounds like this is written by someone who doesn't understand 
antennas or that English is their second or third language.

It is a typical EFHW descriptionSo who  is the manufacturer or the seller?  
 Sounds commercial, not home brew.

73...Rick  W5RH

On Fri, Apr 12, 2024 at 7:43 PM Suggs, Marvin (KTRK-TV) via BVARC 
mailto:bvarc@bvarc.org>> wrote:
Thank you



Sent from my iPhone

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e-mail: rickhille...@gmail.com<mailto:rickhille...@gmail.com>
Cell/VM/Text:832-474-3713
Physical: 9031 Troulon Drive
   Houston, TX 77036

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Re: [BVARC] Please explain this end fed antenna

2024-04-13 Thread Suggs, Marvin (KTRK-TV) via BVARC
Ok you hang the balun on the mast and string the wire to a tree? To work 20 
meters, you’d have a 20 meter wire? Does that sound plausible?
Thanks
Marvin
N5RKW
Sent from my iPhone

On Apr 12, 2024, at 9:10 PM, Mike Knerr via BVARC  wrote:



This Message is From an External Sender
Caution: Do not click links or open attachments unless you recognize the sender 
and know the content is safe.

It is Chinese company.

On Fri, Apr 12, 2024, 8:56 PM Suggs, Marvin (KTRK-TV) via BVARC 
mailto:bvarc@bvarc.org>> wrote:
[image0.png][image1.png]
Sent from my iPhone

On Apr 12, 2024, at 8:06 PM, Rick Hiller via BVARC 
mailto:bvarc@bvarc.org>> wrote:



This Message is From an External Sender
Caution: Do not click links or open attachments unless you recognize the sender 
and know the content is safe.

To me, it sounds like this is written by someone who doesn't understand 
antennas or that English is their second or third language.

It is a typical EFHW descriptionSo who  is the manufacturer or the seller?  
 Sounds commercial, not home brew.

73...Rick  W5RH

On Fri, Apr 12, 2024 at 7:43 PM Suggs, Marvin (KTRK-TV) via BVARC 
mailto:bvarc@bvarc.org>> wrote:
Thank you



Sent from my iPhone

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--
Rick Hiller  W5RH
e-mail: rickhille...@gmail.com
Cell/VM/Text:832-474-3713
Physical: 9031 Troulon Drive
   Houston, TX 77036

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