Date   

Re: Apidistra

Bry Carling <af4k@...>
 

I found volumes of information about this history on the web also. Very fascinating!


There was a lot they could do to confuse enemies in WW2 using 500 kW American-made transmitters!



From: David Martin
Sent: Saturday, February 4, 2017 12:35 AM
To: Bry Carling; 4sqrp@...
Subject: Re: [4sqrp] Apidistra
 

It is all covered in the book "The Secret Wireless War".


The transmitter site was at Crowborough, England.


As far as what was broadcast from it is supplied in great detail in the book.


David Martin - NA1MH - Mountain Home, Ar. -----------------------------------------
On 2/3/2017 20:43, Bry Carling wrote:

I never heard of it. Where in England or Scotland was it exactly? And what was being broadcast on it until 1982?




From: 4sqrp@... <4sqrp@...> on behalf of David Martin davemrtn@... [4sqrp] <4sqrp@...>
Sent: Friday, February 3, 2017 2:14 PM
To: 4sqrp@...
Subject: [4sqrp] Apidistra
 
 

Reading "The Secret Wireless War", I see that the Apidistra transmitter was shut down for the final time in September of 1982.


I am very disappointed I was completely unaware of this transmitter at that time, or the part it played during WWII.


While working for Timex Corp., I was in England & Scotland during 1982 and had an extended stay from September to December of 1982.  At the very least, on a weekend I might have been able to drive to the site of that transmitter and seen it "in the flesh" before it was dismantled and sold for scrap.
--
David Martin - NA1MH - Mountain Home, Ar. -----------------------------------------


Re: Christmas Greetings to the group

James Shipley
 

Does anyone know if there is a discount for multiple CPOs? I'd like to use this kit to teach electronics to kids.

Thanks,

James, KK4WXA



On Mon, Dec 26, 2016 at 11:07 AM, ai9e_qrp@... [4sqrp] <4sqrp@...> wrote:
 

It's very early on the day after Christmas, and while the rest of the house is sleeping, I'm enjoying the total peace and quiet, and pausing to reflect on the past year.


What a year it's been!  The Four-State group has been busy!  New kits released, new kits in development, the biggest ever Ozarkcon behind us, and a bigger-yet Ozarkcon before us!  Gratitude is owed everyone in the 4SQRP group for making this group the success it is.  The cohesiveness, camaraderie, and cooperation behind this ever-growing group, scattered across many more than just the original four states, is a testament to the vision of that handful of hams who founded this group years ago.


The success and popularity of the new Bayou Jumper kit has really caught the attention of the QRP community, and is a prime example of what 4SQRP is all about.  To pull off a kit of this nature takes a dedicated team of volunteers; to do the electronic design, web design, purchasing, kitting, promotion, and beta testing, all of which is an essential part of kit development.  Even the group members whose conversations on this group and the Bayou Jumper Yahoo group have done their part to help promote it.  All deserve credit.


There is a new kit that is days from release, a Super Simple Code Practice Oscillator, an ideal first kit for a new hobbyist learning how to solder.  This kit was designed to meet part of the Boy Scout Electronics Merit Badge requirement, and available at a bulk discount for school or scout groups.  It would be a great kit to build with a special young person in your lives as an introduction to radio.  We're just waiting on some parts to arrive on a slow boat before it will be available.


There is a huge list of kit projects in development; a couple direct conversion rigs, a high-end SSB transceiver, a multi-band transceiver, station accessories, a vacuum tube rig, and more.  They all take time to get right, and the radio hobby that I love so well takes about 3rd or 4th place in my list of life priorities.  But, in the months ahead, I'll be releasing sneak peaks of kits in development to offer hints of good things to come!


In closing, I thank everyone for helping make 4SQRP a success, for making this group the most fun QRP group in the world, for making the drive to Branson every year, and for sharing your love of this hobby.  See you in Branson!


73 Dave NM0S





Re: Bayou Jumper - ready to go to the field [2 Attachments]

keith ford
 

On Saturday, February 4, 2017, 17:51, 'Jim Sheldon' w0eb@... [4sqrp] <4sqrp@...> wrote:

 

Here's a couple of pix of my Bayou Jumper in the bigger box as it's set
up ready to "grab-n-go". I added an elastic strap across the left side
lid compartment near the bottom to retain an ARRL Minilog (in this case
2 of them with one being a "weatherproof" one.) Every good station
needs a clock (I hate wearing a wristwatch) and some of my favorite
animated movie characters are the "Minions" from the "Despicable Me"
movies. While shopping at Walmart the other day, my wife found a
"Minion" wristwatch with a detachable band that I was able to mount on
the pins of an FT-241A crystal base. This allowed me to plug him in on
the top shelf of my crystal storage strips in the right side of the lid.
The only drawback is he only does the 12 hour format so I set him to
local time and I can convert to UTC on the fly. He IS a fitting and
offbeat addition to an offbeat radio after all - LOL.

Jim - W0EB


Re: Bayou Jumper - ready to go to the field [2 Attachments]

Johnny AC0BQ
 

Nice work Jim
You have that Bayou Jumper ready to roll!!
72
Johnny AC0BQ

On Sat, Feb 4, 2017 at 5:52 PM 'Jim Sheldon' w0eb@... [4sqrp] <4sqrp@...> wrote:

Here's a couple of pix of my Bayou Jumper in the bigger box as it's set
up ready to "grab-n-go". I added an elastic strap across the left side
lid compartment near the bottom to retain an ARRL Minilog (in this case
2 of them with one being a "weatherproof" one.) Every good station
needs a clock (I hate wearing a wristwatch) and some of my favorite
animated movie characters are the "Minions" from the "Despicable Me"
movies. While shopping at Walmart the other day, my wife found a
"Minion" wristwatch with a detachable band that I was able to mount on
the pins of an FT-241A crystal base. This allowed me to plug him in on
the top shelf of my crystal storage strips in the right side of the lid.
The only drawback is he only does the 12 hour format so I set him to
local time and I can convert to UTC on the fly. He IS a fitting and
offbeat addition to an offbeat radio after all - LOL.

Jim - W0EB

--
Sent from Gmail Mobile


Re: Bayou Jumper - ready to go to the field [2 Attachments]

Paul Smith
 

Dandy lookin set up Jim, I love the minion and orange key knob and skirt.

de Paul N0NBD



Sent from Outlook




From: 4sqrp@... <4sqrp@...> on behalf of 'Jim Sheldon' w0eb@... [4sqrp] <4sqrp@...>
Sent: Saturday, February 4, 2017 11:51 PM
To: 4SQRP Mailing List
Subject: [4sqrp] Bayou Jumper - ready to go to the field [2 Attachments]
 
 

Here's a couple of pix of my Bayou Jumper in the bigger box as it's set
up ready to "grab-n-go". I added an elastic strap across the left side
lid compartment near the bottom to retain an ARRL Minilog (in this case
2 of them with one being a "weatherproof" one.) Every good station
needs a clock (I hate wearing a wristwatch) and some of my favorite
animated movie characters are the "Minions" from the "Despicable Me"
movies. While shopping at Walmart the other day, my wife found a
"Minion" wristwatch with a detachable band that I was able to mount on
the pins of an FT-241A crystal base. This allowed me to plug him in on
the top shelf of my crystal storage strips in the right side of the lid.
The only drawback is he only does the 12 hour format so I set him to
local time and I can convert to UTC on the fly. He IS a fitting and
offbeat addition to an offbeat radio after all - LOL.

Jim - W0EB


Bayou Jumper - ready to go to the field

Jim Sheldon
 

Here's a couple of pix of my Bayou Jumper in the bigger box as it's set
up ready to "grab-n-go". I added an elastic strap across the left side
lid compartment near the bottom to retain an ARRL Minilog (in this case
2 of them with one being a "weatherproof" one.) Every good station
needs a clock (I hate wearing a wristwatch) and some of my favorite
animated movie characters are the "Minions" from the "Despicable Me"
movies. While shopping at Walmart the other day, my wife found a
"Minion" wristwatch with a detachable band that I was able to mount on
the pins of an FT-241A crystal base. This allowed me to plug him in on
the top shelf of my crystal storage strips in the right side of the lid.
The only drawback is he only does the 12 hour format so I set him to
local time and I can convert to UTC on the fly. He IS a fitting and
offbeat addition to an offbeat radio after all - LOL.

Jim - W0EB


Re: Apidistra

Sam Neal
 

Hello

" The. Secret. Wireless. War " is one of many excellent books available from.
RSGB on electronic type warfare and it's development on/by both sides.

Sam. Neal. N5AF
.........................................................

------ Original Message ------
Received: 11:56 PM CST, 02/03/2017
From:
"David Martin davemrtn@... [4sqrp]" <4sqrp@...>
To:
Bry Carling <@AF4K>, "4sqrp@..." <4sqrp@...>

Subject: Re: [4sqrp] Apidistra

It is all covered in the book "The Secret Wireless War".


The transmitter site was at Crowborough, England.


As far as what was broadcast from it is supplied in great detail in the
book.


David Martin - NA1MH - Mountain Home,
Ar. -----------------------------------------
On 2/3/2017 20:43, Bry Carling wrote:

I never heard of it. Where in England or Scotland was it exactly? And
what was being broadcast on it until 1982?



------------------------------------------------------------------------
*From:* 4sqrp@... <4sqrp@...> on behalf of
David Martin davemrtn@... [4sqrp] <4sqrp@...>
*Sent:* Friday, February 3, 2017 2:14 PM
*To:* 4sqrp@...
*Subject:* [4sqrp] Apidistra

Reading "The Secret Wireless War", I see that the Apidistra
transmitter was shut down for the final time in September of 1982.


I am very disappointed I was completely unaware of this transmitter at
that time, or the part it played during WWII.


While working for Timex Corp., I was in England & Scotland during 1982
and had an extended stay from September to December of 1982. At the
very least, on a weekend I might have been able to drive to the site
of that transmitter and seen it "in the flesh" before it was
dismantled and sold for scrap.
--
David Martin - NA1MH - Mountain
Home, Ar. -----------------------------------------


Re: Apidistra

David Martin <davemrtn@...>
 

It is all covered in the book "The Secret Wireless War".


The transmitter site was at Crowborough, England.


As far as what was broadcast from it is supplied in great detail in the book.


David Martin - NA1MH - Mountain Home, Ar. -----------------------------------------

On 2/3/2017 20:43, Bry Carling wrote:

I never heard of it. Where in England or Scotland was it exactly? And what was being broadcast on it until 1982?




From: 4sqrp@... <4sqrp@...> on behalf of David Martin davemrtn@... [4sqrp] <4sqrp@...>
Sent: Friday, February 3, 2017 2:14 PM
To: 4sqrp@...
Subject: [4sqrp] Apidistra
�
�

Reading "The Secret Wireless War", I see that the Apidistra transmitter was shut down for the final time in September of 1982.


I am very disappointed I was completely unaware of this transmitter at that time, or the part it played during WWII.


While working for Timex Corp., I was in England & Scotland during 1982 and had an extended stay from September to December of 1982.� At the very least, on a weekend I might have been able to drive to the site of that transmitter and seen it "in the flesh" before it was dismantled and sold for scrap.
--
David Martin - NA1MH - Mountain Home, Ar. -----------------------------------------


Re: Apidistra

wa2cky
 


On Fri, Feb 3, 2017 at 8:43 PM, Bry Carling af4k@... [4sqrp] <4sqrp@...> wrote:
Apidistra transmitter

Bry,  Google "Apidistra transmitter"!'  All kinds hits - you'll get all the information you need!  Yeah, I sometimes forget the obvious - i.e. use the web search.

Bob Groh, WA2CKY


Re: End Fed Wire (Was NorCal Doublet)

Bry Carling <af4k@...>
 


You will find that 124.5 foot wire works on ALL HF bands

- if it is anything like the one used by WB4DBO.

(As seen on his QRZ page.)


Mine is 100 feet long with the 9:1 transformer, but also works excellently! I think UNUN is a bit of a misnomer. It;s just a transformer and everything happens to be relatively unbalanced - coax on one side and a single wire on the other side! Yup, it had me confused too!


It's the best all around antenna I ever used in 48 years of hamming. What got my attention was the excellent signal I ALWAYS heard from WB4DBO on it!


73 - Bry AF4K



From: 4sqrp@... <4sqrp@...> on behalf of Wayne Dillon wayne.dillon@... [4sqrp] <4sqrp@...>
Sent: Friday, February 3, 2017 11:50 AM
To: 4sqrp@...
Subject: [4sqrp] Re: End Fed Wire (Was NorCal Doublet)
 
 

Just to add my $0.02 worth.
I needed a wire to operate 80m so I went with a 124' 6" length fed via a 9:1 unun, works a treat on 80, loads on 160 as well, (as well as all the other bands up to 6m). Starts off at around 10' agl (unun is in the attic) with the far end at around 30'. The unun is at one end of the house, the shack at the other so coax from ASTU to unun is around 80'. Gets ny 5 watts from SE Kansas to NJ. Works for me. My other "go to" antennas are a 66' wire +33' counterpoise and a W3EDP fed with a 4:1 BalUn.
Just a few more ideas to keep the pot boiling.
Blessings all
Wayne - NQ0RP

--
 
QRP -  EFFICIENCY AND SKILL, NOT POWER. 
 
I'm British by birth but American by CHOICE!

Jesus came to pay a debt He didn't owe because we owe a debt we cannot pay...

The Lord bless you and keep you
The Lord make His face shine upon you, and be gracious unto you
The Lord lift up his contenance upon you and give you peace.

God Bless from Wayne Dillon - NQ0RP

Joshua 24:14-15
2 Cor 5:17
1 Jn 2:17
 
www.4sqrp.com
Welcome to the web home of the Four States QRP Group, devoted to low power (QRP) amateur radio building and operation. Club Call Sign WQ5RP
Membership Chairman - 4SQRP Group
4SQRP 40m NCS
4SQRP #95
FISTS 17184
FPQRP #342 (Flying Pigs QRP Club)
G-QRP-11504
NAQCC # 0759
QRP-ARCI #11505
SKCC #1155T
SOC #848
30MDG#1176
NEQRP #693
GORC #192
DMC (Digital Modes Club) # 06686
Zombie# 1186


Re: Apidistra

Bry Carling <af4k@...>
 

I never heard of it. Where in England or Scotland was it exactly? And what was being broadcast on it until 1982?




From: 4sqrp@... <4sqrp@...> on behalf of David Martin davemrtn@... [4sqrp] <4sqrp@...>
Sent: Friday, February 3, 2017 2:14 PM
To: 4sqrp@...
Subject: [4sqrp] Apidistra
 
 

Reading "The Secret Wireless War", I see that the Apidistra transmitter was shut down for the final time in September of 1982.


I am very disappointed I was completely unaware of this transmitter at that time, or the part it played during WWII.


While working for Timex Corp., I was in England & Scotland during 1982 and had an extended stay from September to December of 1982.  At the very least, on a weekend I might have been able to drive to the site of that transmitter and seen it "in the flesh" before it was dismantled and sold for scrap.
--
David Martin - NA1MH - Mountain Home, Ar. -----------------------------------------


Apidistra

David Martin <davemrtn@...>
 

Reading "The Secret Wireless War", I see that the Apidistra transmitter was shut down for the final time in September of 1982.


I am very disappointed I was completely unaware of this transmitter at that time, or the part it played during WWII.


While working for Timex Corp., I was in England & Scotland during 1982 and had an extended stay from September to December of 1982.  At the very least, on a weekend I might have been able to drive to the site of that transmitter and seen it "in the flesh" before it was dismantled and sold for scrap.
--
David Martin - NA1MH - Mountain Home, Ar. -----------------------------------------


Apidistra

David Martin <davemrtn@...>
 

Reading "The Secret Wireless War", I see that the Apidistra transmitter was shut down for the final time in September of 1982.


I am very disappointed I was completely unaware of this transmitter at that time, or the part it played during WWII.


While working for Timex Corp., I was in England & Scotland during 1982 and had an extended stay from September to December of 1982.  At the very least, on a weekend I might have been able to drive to the site of that transmitter and seen it "in the flesh" before it was dismantled and sold for scrap.


--
David Martin - NA1MH - Mountain Home, Ar. -----------------------------------------


Re: BJ

WA0ITP
 

Welcome Everett.  A great group of knowledgeable and friendly hams hang out here.  Glad you joined and pse don't hesitate to post a note anytime you like.
72 WAØITP
I love this radio stuff.
www.wa0itp.com
www.4sqrp.com
On 2/3/2017 11:04 AM, Wayne Dillon wayne.dillon@... [4sqrp] wrote:

 
Welcome aboard Everett, look forward to hearing you on the air.
Enjoy!
Vy 72/3 es God Bless de Wayne - NQ0RP

On Thu, Feb 2, 2017 at 9:14 PM, Everett Catlin everettcatlin@... [4sqrp] <4sqrp@...> wrote:
 
Hi all I am a new member. Saving my pennies for BJ hi hi retired now and money tight. Great group and special Hi to Jim N5Ib.

73
N5MZX
Everett catlin



--
 
QRP -  EFFICIENCY AND SKILL, NOT POWER. 
 
I'm British by birth but American by CHOICE!

Jesus came to pay a debt He didn't owe because we owe a debt we cannot pay...

The Lord bless you and keep you
The Lord make His face shine upon you, and be gracious unto you
The Lord lift up his contenance upon you and give you peace.

God Bless from Wayne Dillon - NQ0RP

Joshua 24:14-15
2 Cor 5:17
1 Jn 2:17
 
Membership Chairman - 4SQRP Group
4SQRP 40m NCS
4SQRP #95
FISTS 17184
FPQRP #342 (Flying Pigs QRP Club)
G-QRP-11504
NAQCC # 0759
QRP-ARCI #11505
SKCC #1155T
SOC #848
30MDG#1176
NEQRP #693
GORC #192
DMC (Digital Modes Club) # 06686
Zombie# 1186


Re: BJ

Wayne Dillon
 

Welcome aboard Everett, look forward to hearing you on the air.
Enjoy!
Vy 72/3 es God Bless de Wayne - NQ0RP

On Thu, Feb 2, 2017 at 9:14 PM, Everett Catlin everettcatlin@... [4sqrp] <4sqrp@...> wrote:
 

Hi all I am a new member. Saving my pennies for BJ hi hi retired now and money tight. Great group and special Hi to Jim N5Ib.

73
N5MZX
Everett catlin




--
 
QRP -  EFFICIENCY AND SKILL, NOT POWER. 
 
I'm British by birth but American by CHOICE!

Jesus came to pay a debt He didn't owe because we owe a debt we cannot pay...

The Lord bless you and keep you
The Lord make His face shine upon you, and be gracious unto you
The Lord lift up his contenance upon you and give you peace.

God Bless from Wayne Dillon - NQ0RP

Joshua 24:14-15
2 Cor 5:17
1 Jn 2:17
 
Membership Chairman - 4SQRP Group
4SQRP 40m NCS
4SQRP #95
FISTS 17184
FPQRP #342 (Flying Pigs QRP Club)
G-QRP-11504
NAQCC # 0759
QRP-ARCI #11505
SKCC #1155T
SOC #848
30MDG#1176
NEQRP #693
GORC #192
DMC (Digital Modes Club) # 06686
Zombie# 1186


Re: End Fed Wire (Was NorCal Doublet)

Wayne Dillon
 

Just to add my $0.02 worth.
I needed a wire to operate 80m so I went with a 124' 6" length fed via a 9:1 unun, works a treat on 80, loads on 160 as well, (as well as all the other bands up to 6m). Starts off at around 10' agl (unun is in the attic) with the far end at around 30'. The unun is at one end of the house, the shack at the other so coax from ASTU to unun is around 80'. Gets ny 5 watts from SE Kansas to NJ. Works for me. My other "go to" antennas are a 66' wire +33' counterpoise and a W3EDP fed with a 4:1 BalUn.
Just a few more ideas to keep the pot boiling.
Blessings all
Wayne - NQ0RP

--
 
QRP -  EFFICIENCY AND SKILL, NOT POWER. 
 
I'm British by birth but American by CHOICE!

Jesus came to pay a debt He didn't owe because we owe a debt we cannot pay...

The Lord bless you and keep you
The Lord make His face shine upon you, and be gracious unto you
The Lord lift up his contenance upon you and give you peace.

God Bless from Wayne Dillon - NQ0RP

Joshua 24:14-15
2 Cor 5:17
1 Jn 2:17
 
Membership Chairman - 4SQRP Group
4SQRP 40m NCS
4SQRP #95
FISTS 17184
FPQRP #342 (Flying Pigs QRP Club)
G-QRP-11504
NAQCC # 0759
QRP-ARCI #11505
SKCC #1155T
SOC #848
30MDG#1176
NEQRP #693
GORC #192
DMC (Digital Modes Club) # 06686
Zombie# 1186


Re: BJ question

Paul Ross <deadgoose@...>
 

As to the markings on the tuning knob..

I did a calibration chart, which I put inside the lid.

Also, I took a small artist's brush and some Testor yellow model paint -- painted a small stripe along the rim of the knob in the area from 7030 to 7122.

Then, after paint was dry, did the crystal thing to spot my crystals, making a small line on the yellow painted part for 7030, 7040, 7055, and 7112.

You can have it both ways...

I am now in the process of finishing the largest HH box to hold the radio, tuner, etc. A small 3/8" square piece of box wood from Michaels glued on the bottom of the large box does the trick. I'll use some bubble wrap to keep things from moving around, for the moment.

I have a QRP Kits BLT tuner, 3000 mAh lithium ion pack, some small headphones, and some wire for an antenna/ground.

Also reading "The Code in Rebecca" by Ken Follett -- a good read on clandestine radio ops.

/paul W3FIS


Re: End Fed Wire (Was NorCal Doublet)

wa2cky
 

Fantastic information! The links are a very nice information resource.  I'm going outside this afternoon and spend some quality time making a map of my side and back lot and start to figure out how much room, etc I have.  

73
Bob Groh, WA2CKY
Blue Springs, MO.


FS: Elecraft K2 QRP Transceiver

Darryl J Kelly
 

FS: Elecraft K2 QRP Transceiver, with KSB2 SSB, K160RX, KAF2, KAT2, and KIO2 upgrades, manual. Serial number 0607 but has been to Don Wilhelm twice, first for all Elecraft available upgrades and secondly for antenna tuner install and change mic connection to Elecraft. Radio is near mint, 9.9/10, non smoker, haven't taken pictures, will make those available later. Asking $850 shipped and insured CONUS. Thought I would list here first.
Darryl, KK5IB
kk5ib01@...
870 761 1891



End Fed Wire (Was NorCal Doublet)

Tim N9PUZ
 

I saw mention of an end fed wire earlier in the discussion. This type of antenna is my 'go to' antenna for portable operation. Whether you want to roll your own or buy one ready made the following is a good site with instructions.

<http://www.earchi.org/92011endfedfiles/Endfed6_40.pdf>

The Emergency Amateur Radio Club, located in Hawaii, builds and sells these to fund their activities but the above link to the instructions is offered as a free download. If you'd like to build your own all of the needed parts are listed.

The instructions say you can go without a counterpoise as long as you use at least 16-20 feet of coax between your tuner and the 9:1 unun. I find that works fine but tuning on 40 Meters is a little touchy. The tuning seems much easier if I attach an extra piece of counterpoise wire that's only about 2 ft long to the provided connection. I am not an antenna modeler, I just know that in my case it makes it easier to tune.

If you substitute a 70ft wire for the antenna, it tunes 80 Meters nicely but isn't as nice of a portable antenna which is my main use. Other wire lengths that should work are found here:

<http://udel.edu/~mm/ham/randomWire/>

I use this antenna with my Elecraft KX-1 and my Xiegu X108G 20W SSB rig. I usually support the far end of the wire with a 28-foot long Jackite wind sock pole and slope it down to the UNUN which seems to work best if you keep it a couple of feet off the ground.

Tim N9PUZ