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Re: Face mask design drag race - reply from Tim Spurgeon

Fred Dittrich
 

Tim

A friend of mine just checked and reports that Halyard is only available to hospitals at this time, so this design might be of limited usefulness at this time.

73

Fred AE0FD

At 12:16 PM 4/6/2020, you wrote:
Fred (AE0FD):

Thanks for the information and good source for construction of face masks. My wife Susan has sewed face masks for the both of us,
that has a pocket where additional filter medium can be inserted. For example, over the weekend I discovered a vacuum filter with a
pore size of 0.1 microns. This is one third the pore size of a N95 face mask filter. So we are planning on cutting pieces of this material
and placing it in the pocket of the face masks.

About the same time I found a zip bag with N95 face masks, that I purchased in 2016. Good news and bad news. It turns out that 3M
N95 face masks have an expiration date. Namely, the foam rubber strip around the nose degrades and crumbles. I found another N95
that I had worn while mowing my lawn; the foam rubber strip was crumbling.

So, I think that while we are in the midst of the pandemic, we need to consider making out own.

Fred, do you know if the material mentioned in the Youtube is available?

73

Tim W0TES

********************************************

----- Original Message -----
From: "Fred Dittrich" <fdittric@...>
To: "main" <main@cmra.groups.io>
Sent: Monday, April 6, 2020 10:19:55 AM
Subject: [CMRA] Face mask design drag race

Hi

Here is a video of an MD performance testing four different face mask
designs. She also introduces a material used to wrap surgical tools
before they are autoclaved.

https://www.youtube.com/watch?v=DZBbkn-g-vE I sewed and fit tested
four different face masks...

73

Fred AE0FD
Re: Face mask design drag race - reply from Tim Spurgeon

Fred Dittrich
 

Tim

Click on the Show More button for both the pattern and sources of Halyard H600 sheets.

73

Fred AE0FD

At 12:16 PM 4/6/2020, you wrote:
https://www.youtube.com/watch?v=DZBbkn-g-vE
Re: Face mask design drag race - reply from Tim Spurgeon

Tim Spurgeon
 

Fred (AE0FD):

Thanks for the information and good source for construction of face masks. My wife Susan has sewed face masks for the both of us,
that has a pocket where additional filter medium can be inserted. For example, over the weekend I discovered a vacuum filter with a
pore size of 0.1 microns. This is one third the pore size of a N95 face mask filter. So we are planning on cutting pieces of this material
and placing it in the pocket of the face masks.

About the same time I found a zip bag with N95 face masks, that I purchased in 2016. Good news and bad news. It turns out that 3M
N95 face masks have an expiration date. Namely, the foam rubber strip around the nose degrades and crumbles. I found another N95
that I had worn while mowing my lawn; the foam rubber strip was crumbling.

So, I think that while we are in the midst of the pandemic, we need to consider making out own.

Fred, do you know if the material mentioned in the Youtube is available?

73

Tim W0TES

********************************************

----- Original Message -----
From: "Fred Dittrich" <fdittric@...>
To: "main" <main@cmra.groups.io>
Sent: Monday, April 6, 2020 10:19:55 AM
Subject: [CMRA] Face mask design drag race

Hi

Here is a video of an MD performance testing four different face mask
designs. She also introduces a material used to wrap surgical tools
before they are autoclaved.

https://www.youtube.com/watch?v=DZBbkn-g-vE I sewed and fit tested
four different face masks...

73

Fred AE0FD
Face mask design drag race

Fred Dittrich
 

Hi

Here is a video of an MD performance testing four different face mask designs. She also introduces a material used to wrap surgical tools before they are autoclaved.

https://www.youtube.com/watch?v=DZBbkn-g-vE I sewed and fit tested four different face masks...

73

Fred AE0FD
Re: Missouri QSO

Chris Swisher
 


On Sat, Apr 4, 2020 at 9:43 AM James Whitehill <jdwhitehill1603@...> wrote:
Thanks to Bill for the reminder.  Yesterday, I assembled and tested a 2 element wire yagi aiming northeast/southwest, with a resulting tested 6 db gain over my dipole.  That bone crushing cw signal on 40 you hear may be N0SSM running 100 watts.   

BTW, last year in the MOQP, I made 117 QSOs on 80-40-20 cw, easily. (brag)  It's a different kind of fun for me to be the target of a pileup!

Jim, N0SSM

On Fri, Apr 3, 2020 at 8:49 PM Bill McFarland - N0AXZ <billmcfarland10@...> wrote:
Group,
Since we are all shut in the house for a while, we might have some time to play RADIO!

K0PHP, NO0I, N0SSM and I have been discussing how we would try to work the Missouri QSO Party tomorrow, and have decided to enter as a club, (CMRA).

That just allows all our scores to be accumulated in the contest as a club entry, as well as individual entries of our own logs.

If you have never entered a contest before, this is an excellent starting point. You can try some digital (probably not FT8), SSB or CW on the common ham bands.
Read the instructions and rules at:  http://w0ma.org/index.php/missouri-qso-party  
Now think about logging your QSOs into the "template log" they have there, (call NO0I for help) and did you get that our exchange is BOO?
If you have a logging program, especially if it accommodates contests use that, not the spreadsheet on the BEARS site.

It begins at 9:00 AM tomorrow. You don't have to work all day, just how ever much time you want to spend. We will be monitoring 146.76 for help and support.
It goes til 11:00 PM Saturday, and after a pause, begins again Sunday at 9:00 PM and runs to 4:00 PM.

Have fun, stay safe, and wash your hands.
See you on the radio.
--
Bill N0AXZ
Re: Missouri QSO

James Whitehill
 

Thanks to Bill for the reminder.  Yesterday, I assembled and tested a 2 element wire yagi aiming northeast/southwest, with a resulting tested 6 db gain over my dipole.  That bone crushing cw signal on 40 you hear may be N0SSM running 100 watts.   

BTW, last year in the MOQP, I made 117 QSOs on 80-40-20 cw, easily. (brag)  It's a different kind of fun for me to be the target of a pileup!

Jim, N0SSM

On Fri, Apr 3, 2020 at 8:49 PM Bill McFarland - N0AXZ <billmcfarland10@...> wrote:
Group,
Since we are all shut in the house for a while, we might have some time to play RADIO!

K0PHP, NO0I, N0SSM and I have been discussing how we would try to work the Missouri QSO Party tomorrow, and have decided to enter as a club, (CMRA).

That just allows all our scores to be accumulated in the contest as a club entry, as well as individual entries of our own logs.

If you have never entered a contest before, this is an excellent starting point. You can try some digital (probably not FT8), SSB or CW on the common ham bands.
Read the instructions and rules at:  http://w0ma.org/index.php/missouri-qso-party  
Now think about logging your QSOs into the "template log" they have there, (call NO0I for help) and did you get that our exchange is BOO?
If you have a logging program, especially if it accommodates contests use that, not the spreadsheet on the BEARS site.

It begins at 9:00 AM tomorrow. You don't have to work all day, just how ever much time you want to spend. We will be monitoring 146.76 for help and support.
It goes til 11:00 PM Saturday, and after a pause, begins again Sunday at 9:00 PM and runs to 4:00 PM.

Have fun, stay safe, and wash your hands.
See you on the radio.
--
Bill N0AXZ
Missouri QSO

Bill McFarland - N0AXZ
 

Group,
Since we are all shut in the house for a while, we might have some time to play RADIO!

K0PHP, NO0I, N0SSM and I have been discussing how we would try to work the Missouri QSO Party tomorrow, and have decided to enter as a club, (CMRA).

That just allows all our scores to be accumulated in the contest as a club entry, as well as individual entries of our own logs.

If you have never entered a contest before, this is an excellent starting point. You can try some digital (probably not FT8), SSB or CW on the common ham bands.
Read the instructions and rules at:  http://w0ma.org/index.php/missouri-qso-party  
Now think about logging your QSOs into the "template log" they have there, (call NO0I for help) and did you get that our exchange is BOO?
If you have a logging program, especially if it accommodates contests use that, not the spreadsheet on the BEARS site.

It begins at 9:00 AM tomorrow. You don't have to work all day, just how ever much time you want to spend. We will be monitoring 146.76 for help and support.
It goes til 11:00 PM Saturday, and after a pause, begins again Sunday at 9:00 PM and runs to 4:00 PM.

Have fun, stay safe, and wash your hands.
See you on the radio.
--
Bill N0AXZ
Re: Fellow Hams, and Club Members

Gary Vaught - W9TIG
 

James,
Sadly, that was my experience and the experience of those I've spoken with.  Your best bet is to keep checking the FCC database every day.  That's how I got my notification.

-
Best Regards,
Gary D Vaught

We can engineer a solution to nearly any problem you can accurately define.

- somewhat anonymous



On Fri, Apr 3, 2020 at 12:15 PM James Wiles <wilesjw@...> wrote:
My church group meets daily for various gatherings on Facebook through a app called Zoom. It is still possible to have meetings even though we can not gather. Jusr

I tested on March 17th and don’t have call letters, guess it’s been three weeks, and I have to tell you it’s like waiting for Christmas. I am guessing this is standard.




--
73
W9TIG

Gary Vaught
Fellow Hams, and Club Members

James Wiles
 

My church group meets daily for various gatherings on Facebook through a app called Zoom. It is still possible to have meetings even though we can not gather. Jusr

I tested on March 17th and don’t have call letters, guess it’s been three weeks, and I have to tell you it’s like waiting for Christmas. I am guessing this is standard.
Re: High end medical expert answering questions

Bill McFarland - N0AXZ
 

Thanks Fred.
That was a great interview. I watched the whole 1 1/2 hours.
Bill N0AXZ

On Fri, Apr 3, 2020 at 10:02 AM Fred Dittrich <fdittric@...> wrote:
Hi

Here is an interview with a high end medical expert answering a wide
variety of epidemic related questions:

https://www.youtube.com/watch?v=_dIsvjwDxjE    How to Cure
Coronavirus - with Dr. Paul Offit

"Is there a cure for coronavirus or a coronavirus vaccine? What steps
need to be taken in developing a cure for coronavirus. Paul A. Offit,
MD is the co-inventor of the rotavirus vaccine. He sits on the FDA's
Vaccine Advisory Committee and on the CDC's Advisory Committee on
Immunization Practices. He's the Director of the Vaccine Education
Center at The Children's Hospital of Philadelphia as well as the
Maurice R. Hilleman Professor of Vaccinology and Professor of
Pediatrics at the Perelman School of Medicine. Dr. Offit is also the
author of nine books and has published over 160 papers in medical and
scientific journals."

73

Fred AE0FD






--
Bill N0AXZ
High end medical expert answering questions

Fred Dittrich
 

Hi

Here is an interview with a high end medical expert answering a wide variety of epidemic related questions:

https://www.youtube.com/watch?v=_dIsvjwDxjE How to Cure Coronavirus - with Dr. Paul Offit

"Is there a cure for coronavirus or a coronavirus vaccine? What steps need to be taken in developing a cure for coronavirus. Paul A. Offit, MD is the co-inventor of the rotavirus vaccine. He sits on the FDA's Vaccine Advisory Committee and on the CDC's Advisory Committee on Immunization Practices. He's the Director of the Vaccine Education Center at The Children's Hospital of Philadelphia as well as the Maurice R. Hilleman Professor of Vaccinology and Professor of Pediatrics at the Perelman School of Medicine. Dr. Offit is also the author of nine books and has published over 160 papers in medical and scientific journals."

73

Fred AE0FD
Re: Some Good News from this morning about Hydroxychloroquine.

Tim Spurgeon
 

CMRA and BCARES brothers and sisters:

I just got this, this morning:

On Sunday night, the Food and Drug Administration (FDA) issued an emergency use authorization for hydroxychloroquine and chloroquine, drugs often used to treat malaria and recently touted by President Donald Trump as a possible “game-changer” in the fight against the China-originated novel coronavirus, or COVID-19.
The United States Department of Health & Human Services (HHS) announced in a statement on Sunday that the FDA will allow the drugs to be “donated to the Strategic National Stockpile to be distributed and prescribed by doctors to hospitalized teen and adult patients with COVID-19, as appropriate, when a clinical trial is not available or feasible,” a Politico report said.

The statement noted that “Sandoz donated 30 million doses of hydroxychloroquine to the stockpile and Bayer donated 1 million doses of chloroquine.”

Trump made it clear weeks ago that his administration would work to fast-track promising drugs like hydroxychloroquine with the FDA, all in an effort to combat COVID-19.

Democratic New York Governor Andrew Cuomo is on the same page as President Trump when it comes to the popular anti-malaria drugs, permitting trials of hydroxychloroquine, chloroquine, and azithromycin to commence in his state.

“Let’s see how it works,” Trump said Sunday, with regard to the New York trials. “It may. It may not.”

On the same day as the FDA authorization, Novartis Chief Executive Vas Narasimhan told a Swiss newspaper that hydroxychloroquine is our “Pre-clinical studies in animals as well as the first data from clinical studies show that hydroxychloroquine kills the coronavirus,”

Narasimhan told Sonntags Zeitung. “We’re working with Swiss hospitals on possible treatment protocols for the clinical use of the drug, but it’s too early to say anything definitively.”

The French government also cleared a larger pathway for the use of chloroquine this weekend, officially sanctioning the drug for certain patients infected with the novel virus, The Daily Wire noted biggest hope in combating COVID-19.

“The French government has officially sanctioned prescriptions of chloroquine to treat certain coronavirus patients,” France 24 English reported Saturday.
“This ensures continued treatment of patients who have been treated for several years for a chronic condition with this drug, but also allows a temporary authorization to allow certain patients with coronavirus to benefit from this therapeutic route,” France’s director general of health Jérôme Salomon said.

The move from the French government comes on the heels of infectious disease specialist Didier Raoult announcing new clinical results, which can be accessed here, that show 78 out of 80 patients treated with chloroquine recovered within five days, a report from Trustnodes said.
The five-day recovery time is “considerably” faster “than the usual 14 days and for some it can go up to 28 days if they recover at all,” Trustnodes added.

*******************************************************************

----- Original Message -----
From: "Tim & Susan Spurgeon" <tims173@...>
To: "main" <main@CMRA.groups.io>, "main" <main@bcares.groups.io>
Sent: Tuesday, March 24, 2020 8:45:33 AM
Subject: Re: Some Good News

CMRA and BCARES brothers and sisters:

Medical Hope is coming -

For the past couple of weeks, I have been watching efforts to find a medical solution to the Wuhan Virus. First
on Youtube, then on the news, then it popped up during the Vice President's daily update, three days ago.

The French started a human trial, more than two weeks ago, and are reporting very positive results. The study
is entitled, "Hydroxychloroquine and Azithromycin (Z-pak) as a treatment of Covid-19: results of an open label
non-randomized clinical trial." The combination of both drugs produces 100 percent cure in five days compared
to a control group that was still testing positive over the same time period. But the fantastic news is that both
drugs are already FDA approved, and President Trump is already having the FDA evaluate this for Wuhan
Virus application. This came up during his press conference, a couple of days ago.

Ten thousand units of this drug have already been sent to New York city, and they begin using it today. We should
start hearing results in about one week.

Hydroxychloroquine has already been used in New Orleans to benefit critical cases, and last night Laura
Ingraham interviewed a doctor that has applied the above mentioned drugs to 350 patients.

Hydroxychloroquine is an anti-malarial drug, developed after WW-II, and it and Azithromycin are cheap,
off patent drugs, whose efficacy and side effects are well know

So, "keep the faith." Good news is coming soon, and we are going to beat this pandemic.

73

Tim (W0TES)
Animated time based graphs

Fred Dittrich
 

Hi

And this one has dozens of animated time based graphs showing the qualitative effect of various epidemic reduction strategies, e.g. social distancing.

https://www.youtube.com/watch?v=gxAaO2rsdIs Simulating an epidemic

73

Fred AE0FD
A science corner thingie

Fred Dittrich
 

Hi

Here are two videos giving graphic presentation of the gory statistical issues of a pandemic:

This first one has dozens of animated graphs showing the qualitative effect of various epidemic reduction strategies, e.g. social distancing.

https://www.youtube.com/watch?v=gxAaO2rsdIs Simulating an epidemic

The second shows a different type of graph which does not have time as the x axis and high lights the effectiveness of a science based approach to the pandemic:

https://www.youtube.com/watch?v=54XLXg4fYsc How Soon Will COVID-19 Peak? (And How To Tell)

Enjoy

Fred
Informative type of pandemic statistical graph

Fred Dittrich
 

All

See: https://www.youtube.com/watch?v=54XLXg4fYsc How Soon Will COVID-19 Peak? (And How To Tell)

With this type of graph we can see how South Korea and China have decided to bail out of the pandemic roller coaster sooner than other countries. This graph will show by simple indication when we have finally joined them. By all means check out their sources of data before forming an opinion, on this or on any other issue.

73

Fred AE0FD
Beware clickbait, surveys, ads and polls

John Beatty
 

I'm on social media so I can keep up with family and friends, especially our grandkids.  They're out there knowing there is extra time on our hands now.  I've noticed a huge surge in polls, ads, offers, and surveys.  Common sense should rule.  E.g., many polls and surveys want your income, email and and other PII.  Just be extra careful out there.  
John - NO0I
DMR NET TONIGHT

Bill McFarland - N0AXZ
 

All,
Just a reminder that we will run a DMR net on local TG2 tonight directly after the regular CMRA net at 9:00 PM. Just a short test of the repeater and your DMR radios.
Stay Safe.

--
Bill N0AXZ
Re: Some Good News

Fred Dittrich
 

Tim

If anyone is interested in a scientific vs. a pre-scientific lecture about epidemics by a medical expert, you might bulk up on your knowledge with this lecture:

https://www.youtube.com/watch?v=en06PYwvpbI Are We Ready for the Next Pandemic? - with Peter Piot

Take careful note of the date of this lecture.

73

Fred AE0FD

At 08:45 AM 3/24/2020, you wrote:
CMRA and BCARES brothers and sisters:

Medical Hope is coming -

For the past couple of weeks, I have been watching efforts to find a medical solution to the Wuhan Virus. First
on Youtube, then on the news, then it popped up during the Vice President's daily update, three days ago.

The French started a human trial, more than two weeks ago, and are reporting very positive results. The study
is entitled, "Hydroxychloroquine and Azithromycin (Z-pak) as a treatment of Covid-19: results of an open label
non-randomized clinical trial." The combination of both drugs produces 100 percent cure in five days compared
to a control group that was still testing positive over the same time period. But the fantastic news is that both
drugs are already FDA approved, and President Trump is already having the FDA evaluate this for Wuhan
Virus application. This came up during his press conference, a couple of days ago.

Ten thousand units of this drug have already been sent to New York city, and they begin using it today. We should
start hearing results in about one week.

Hydroxychloroquine has already been used in New Orleans to benefit critical cases, and last night Laura
Ingraham interviewed a doctor that has applied the above mentioned drugs to 350 patients.

Hydroxychloroquine is an anti-malarial drug, developed after WW-II, and it and Azithromycin are cheap,
off patent drugs, whose efficacy and side effects are well know

So, "keep the faith." Good news is coming soon, and we are going to beat this pandemic.

73

Tim (W0TES)
Re: This was really great thanks

Mike Morgan
 

I have three hand held. Two baofengs and one wouxoun.   Seating about ten foot from the paper shredder, I can turn it on using my baofengs. I don't have that problem with the wouxoun. When doing this low tec., test, I am using programmed repeater frequencies. Now you can analyze this all you want. That is my story and I am staying the course. 

From: "Hank" <hank008@...>
To: "main" <main@CMRA.groups.io>
Sent: Tuesday, March 24, 2020 2:35:32 PM
Subject: Re: [CMRA] This was really great thanks

Good, now we're on the same page.

泰 勒
大胡子

On Mar 24, 2020, at 1:26 PM, Chris Swisher <Komu8ce@...> wrote:

For any operations other than Part 97 (Amateur), that is correct. Some Wouxouns are Part 90 Type accepted, but none are Part 95 (GMRS) or Part 97 type accepted that I am aware of. I would be very careful on possessing any radio that transmits on emergency response agencies frequencies, but that is my opinion. Again, the radio itself is not illegal, but operation on unlicensed frequencies with non-type accepted transmitters is illegal.

On Tue, Mar 24, 2020 at 1:15 PM Boback <RNAckerman@...> wrote:
It is my understand that if it does not have a FCC number displayed, it is illegal.

On 3/24/2020 11:51 AM, Chris Swisher wrote:
Mike,
Could you show me where the Baofeng is illegal?

On Tue, Mar 24, 2020 at 11:39 AM Mike Morgan <cavecritter@...> wrote:
I recommend the Wouxun. The Beofeng is illegal. You might invest in the longest antenna you can find. 73', km0mvr.

From: "Gary Vaught - W9TIG" <gdv.pops@...>
To: main@cmra.groups.io
Sent: Tuesday, March 24, 2020 7:21:01 AM
Subject: Re: [CMRA] This was really great thanks

I'd suggest asking around the guys in the club/group.  A lot of the guys who have been doing this for a couple of years (or decades) have HTs and mobiles that they might let go for under a couple hundred dollars.  I got my first HT from a club member, and added an aftermarket antenna - it served me well for a couple of years as long as I stayed within transmit range of the repeater.
The $35 Baofeng looks appealing, but you really need to know what you're doing there or it can encourage some undesirable habits.

But that's all just my opinion.  Welcome to amateur radio!!!

-
Best Regards,
Gary D Vaught

We can engineer a solution to nearly any problem you can accurately define.

- somewhat anonymous



On Tue, Mar 24, 2020 at 7:16 AM James Wiles <wilesjw@...> wrote:
Being newly Hammed, and looking for a dual band radio,this Baofeng is appealing because I they’re cheap. But I guess you get what you pay for.  I want to make the right choice and not buy junk.  I don’t understand harmonics, but this article explains some of it, and now I’m think or looking at this Wouxun KG-UV9D, please if you have suggestions and where to buy, it would be most appreciated. I don’t have a call sign yet but I go by JW and my email address is wilesjw@...

Thanks




--
73
W9TIG

Gary Vaught


Re: This was really great thanks

Corey
 

This is Deja Vu at its finest. Several of the veteran Hams (I’m not One) have been discussing that radio the past couple years. We found them being sold at Walmart where the toys are advertising  as walkie talkies.... Nothing about needing a license to use on the label, sold in 2 per pack and 4 per pack.  Besides that we put it on a spectrum analyzer.   
Found the same results.  The Anytone radio is a good handheld and for a bonus you get the Digital.  Several folks sell them, Most have supported Bridgecom. 



On Tuesday, March 24, 2020, 1:26 PM, Chris Swisher <Komu8ce@...> wrote:

For any operations other than Part 97 (Amateur), that is correct. Some Wouxouns are Part 90 Type accepted, but none are Part 95 (GMRS) or Part 97 type accepted that I am aware of. I would be very careful on possessing any radio that transmits on emergency response agencies frequencies, but that is my opinion. Again, the radio itself is not illegal, but operation on unlicensed frequencies with non-type accepted transmitters is illegal.

On Tue, Mar 24, 2020 at 1:15 PM Boback <RNAckerman@...> wrote:
It is my understand that if it does not have a FCC number displayed, it is illegal.

On 3/24/2020 11:51 AM, Chris Swisher wrote:
Mike,
Could you show me where the Baofeng is illegal?

On Tue, Mar 24, 2020 at 11:39 AM Mike Morgan <cavecritter@...> wrote:
I recommend the Wouxun. The Beofeng is illegal. You might invest in the longest antenna you can find. 73', km0mvr.

From: "Gary Vaught - W9TIG" <gdv.pops@...>
To: main@cmra.groups.io
Sent: Tuesday, March 24, 2020 7:21:01 AM
Subject: Re: [CMRA] This was really great thanks

I'd suggest asking around the guys in the club/group.  A lot of the guys who have been doing this for a couple of years (or decades) have HTs and mobiles that they might let go for under a couple hundred dollars.  I got my first HT from a club member, and added an aftermarket antenna - it served me well for a couple of years as long as I stayed within transmit range of the repeater.
The $35 Baofeng looks appealing, but you really need to know what you're doing there or it can encourage some undesirable habits.

But that's all just my opinion.  Welcome to amateur radio!!!

-
Best Regards,
Gary D Vaught

We can engineer a solution to nearly any problem you can accurately define.

- somewhat anonymous



On Tue, Mar 24, 2020 at 7:16 AM James Wiles <wilesjw@...> wrote:
Being newly Hammed, and looking for a dual band radio,this Baofeng is appealing because I they’re cheap. But I guess you get what you pay for.  I want to make the right choice and not buy junk.  I don’t understand harmonics, but this article explains some of it, and now I’m think or looking at this Wouxun KG-UV9D, please if you have suggestions and where to buy, it would be most appreciated. I don’t have a call sign yet but I go by JW and my email address is wilesjw@...

Thanks




--
73
W9TIG

Gary Vaught

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