Date   

HF SIGNALS – The Home of BITX transceivers

Corey
 

Looks like a neat kit if your interested in QRP,  

This information comes from LL 

73 Corey 

HF SIGNALS – The Home of BITX transceivers

µBITX: Lets you Explore the World ($129 USD)

The µBITX| Circuit Details | Wiring up

General Coverage Receiver-Transmitter

Build the µBITX transceiver in an evening. A general coverage, 10 watts HF SSB/CW transceiver kit  with features you NEED for operating ease, convenience and versatility. It works from 3 MHz to 30 MHz, with up to 10 watts on SSB and CW, with a very sensitive receiver. It features digital tuning, dual VFOs, RIT, CW Keyer and more.

Small is QRP

It is a small 6 inches by 5-1/2 inch board with minimum wires and controls that you can drop into any box and wire up within an evening. Add batteries and its low current consumption will make it an ideal travel companion or a great station rig.

Big on Performance

The µBITX has a sparklingly clear receiver. A roofing filter at 45 MHz and an 12 MHz QER SSB filter with a whopping 8 crystals. Powered by the Si5351, it gives you rock stable performance at all frequencies. Work that PSK31 or FT8 pile up or just ragchew the local gang.

It sports a push-pull output and driver stage for a low distortion, big station sound. It uses cheap IRF510s for PA, so you don’t have to worry about blowing up your finals, they are cheap to replace.

Technical

The Raduino The µBITX ‘s Raduino plugs into the main µBITX board. It is an Arduino Nano powered, small, hackable board based on the rock steady Si5351 synthesizer with a  16×2 LCD display, 6 analog ports, three oscillators and six digital lines. It comes preloaded with µBITX’s free and open source software, so you can add all the features you want to!

Receiver Listen to the sensitive, low distortion, all analog receiver. The front-end diode mixer followed by a Hayward/Kopski TIA makes this a crisp receiver that doesn’t overload easily. The 45 MHz roofing filter at the first IF and the 8 crystals SSB filter will please your ears with natural sound.

Transmitter 10 watts of low distortion SSB provides you with enough juice to have thousands of contacts on all HF bands. Chase DX on CW, ragchew on PSK31  or work the nets on SSB. Any common 3 ampere 12 linear volts supply or a set of eight AA batteries will provide enough power for this transceiver.

Hackable

To be hackable, it has to be understandable. The µBITX circuit design is simple enough to fit a single page. It’s simplicity encourages you to modify, change and experiment.

The µBITX is easily programmable in Arduino’s simple C language. The rig can be uploaded with your own software with just a USB cable.  If you made a mistake, just load back the original version from the web!

The main board uses discrete, large-sized SMD components laid out in an easy-to-understand manner on a double-sided board with broad tracks. This can be your main module around which you can start experimenting.

The boards can be installed inside any box that you like. Make your own station rigs, man-packs, SOTA rigs, trail radio or mount it in a cigar box and leave it on your bedside table.

Box Contents

We have tried to include all the connectors/hardware you might possibly need to build a full radio. However, we also had to balance the shipping weight to keep the overall cost down. You will have to supply your own box, power supply and earphones/headphones/speaker.

  • 6 inches by 5-1/2 inches tested SSB /CWtransceiver module, covering from 3 MHz to 30 MHz. Fully tested.
  • The Raduino board with Si5351, Arduino Nano. Fully tested
  • High quality BNC connector for the antenna
  • Small electret microphone
  • Three earphone-style audio jacks for the mic, speaker and CW key
  • A set of DC power socket and plug
  • Volume control with on/off switch
  • Tuning encoder with a push button
  • 8 Brass standoffs with mounting nuts and bolts
  • Connectors with wires for all connections on the board
  • Some resistors to wire up the CW keyer.

Manufacture

The µBITX boards are hand-assembled by a collective of women. Each of the toroids is hand wound. This provides these women with livelihood. The assembled boards are then DC checked and a final RF check is performed to check the receiver’s sensitivity as well as transmitter’s output before being shipped. Each board is individually numbered.



73  KC0YNS  Corey Mesenbrink
DTS. Digital Traffic System
Missouri Traffic Net 3.963 
AssIstant EC for Boone County


Re: PDP 11/70 emulator

M PETER HIGGINS
 

Fred,
Thanks for the memories.  I worked with the PDP-8s and PDP-11s with C/PM back in the day...oh my gosh, so long ago.  Add to that the Univacs, IBM 360 line, the Data Generals, the Burroughs and HPs...yep the memories!
Pete Higgins
Columbia, MO - Honolulu, HI




Re: PDP 11/70 emulator

Nathan Odle
 

I have a pidp-8 that I built.  It does run and is a nice kit.  The enclosure isn’t how I would do it, and I would prefer a full-size front panel, but overall not bad. Nice to see he did an 11!

On Wed, Jan 23, 2019 at 7:38 PM Hillman, Richard E. <hillmanr@...> wrote:
Thanks Fred


I still have a lot of PDP tapes, the large rolls, somewhere in my basement, unless my wife finally got rid of them.  Worked with all the Dec computers from the original Lincoln Lab prototype to the Minc.  Most of my work was with the PDP16.

Richard AC0MP

On Jan 23, 2019, at 1:30 PM, paul watt <pbw65@...> wrote:

That's cool!! Thanks for sharing Fred.  
73
Paul KE0IKG


Re: PDP 11/70 emulator

Hillman, Richard E.
 

Thanks Fred


I still have a lot of PDP tapes, the large rolls, somewhere in my basement, unless my wife finally got rid of them.  Worked with all the Dec computers from the original Lincoln Lab prototype to the Minc.  Most of my work was with the PDP16.

Richard AC0MP

On Jan 23, 2019, at 1:30 PM, paul watt <pbw65@...> wrote:

That's cool!! Thanks for sharing Fred.  
73
Paul KE0IKG


Re: PDP 11/70 emulator

paul watt
 

That's cool!! Thanks for sharing Fred.  
73
Paul KE0IKG


PDP 11/70 emulator

Fred Dittrich
 

Hi

For the old timers in the club, see http://obsolescence.wixsite.com/obsolescence/pidp-11 I saw this mentioned on yesterday's Security Now podcast.

73

Fred AE0FD


January CMRA Minutes

John W. Smith
 

Minutes from January's meeting are available now at https://www.k0si.net/cmra-meeting-minutes/ . Click on January for 2019 to view or right click to download.


73,


John, KC0HSB



--
This message came to you from
John Wesley Smith
kc0hsb@...
Find musings of an eclectic pilgrim at
https://johnwesleysmith.com/


Fw: One Day Ham Class and test.

Bill McFarland - N0AXZ
 


In case any one here is interested.

bill N0AXZ
---------- Forwarded message ---------
From: J.D. Simmons <teg685@...>
Date: Tue, Jan 22, 2019 at 6:52 PM
Subject: Fw: One Day Ham Class and test.
To: calvinsdad76@... <calvinsdad76@...>, WD6BGN <wd6bgn@...>, Ernest Venis <evenis@...>, David Phelps <3216shelby@...>, Bill McFarland <billmcfarland10@...>, kd0qcn@... <kd0qcn@...>, dickk2ht@... <dickk2ht@...>, Dwight Meyer <dmeyer009@...>


FYI:  Location of training:  Tri County Training Consortium 4849 Highway 109 P.O. Box 97 Eureka, MO 63025 636-938-5505 Tricountyfire.org


From: Courtney, Bryan <Bryan.Courtney@...>
Sent: Tuesday, January 22, 2019 11:59 AM
To: J.D. Simmons; Thayer, Mike; 'Jack Renick'; Sterman, David
Subject: FW: One Day Ham Class and test.
 

FYI

 

From: Thomas Tarabelli <ttarabelli@...>
Sent: Tuesday, January 22, 2019 11:45 AM
To: fcema@...; mdiedrich@...; Courtney, Bryan <Bryan.Courtney@...>
Cc: Jon@...; Tara@...
Subject: One Day Ham Class and test.

 

Abe,

The Eureka Comms group is putting on a HAM Class Feb 9th and the end of the class you will have the option to take your FCC Test.  The cost of the class is free and the test is 15.00.  Please forward this to anyone who you feel would benefit from this.  This is open to the public, and will be held at the tri county training center.

 

The class is Feb 9th

 

https://protect2.fireeye.com/url?k=3823550c-64622923-382199c6-0cc47a6d17a8-d3fa66b32ae8ed2b&u=https://docs.google.com/forms/d/1Qqu-afs81ninYuaCjusyDKZwoeKbMlkrHucgPkvshVI/edit?ts=5c429330

 

Guide.

You want to read the technician guide for this class (free pdf)

 

https://www.youtube.com/channel/UCvMiYkXm3RDjj9UVvmE-HdA

 

any questions just let me know.

 

Tom

3144358998

 

 



--
Bill N0AXZ


Bridgecom is giving away a DMR Radio and DVMega

AD0UK
 

Here you can sign up to win:




73
Brian
AD0UK


Re: [bcares] Winter Exercises

Ralph Howard
 

Ok on the WFD.
We lost power for about 5 hours.  I fired up a couple Coalman lanterns and besids providing light, the kept the room at 72 degrees.  
I did test my 8kw genset.  It had been just sitting for about 7 months.  It has a small gell cell battery for starting.  To my deight it took about 3 seconds to start.  So it is ready to go.  For the ham rig, I have a little 2k genset.  Nither are very quiet, but they do the job.
For heat, we have a top of the tank propane, and a couple wick type kerosene stoves.  
Also have plenty lanterns and camp cook stoves.  Right now my favorate is the Svea 123r.  It runs just fine on car gas.  I had a similar unit with me in Viet Nam, I burned leaded Army gas with no issues.  So if I have gas for the generator I have gas for the stove.

Cathy report.  I think everyone knowes Cathy (ka9mnz) went to the hospital on Dec 12th.  Yesterday she had hopfully her last operation.  She also turned 70.  At least they think they got it this time, sh was having a reoccuring inflection.  
73. See some of you on Wed.

Ralph

Sent from my U.S.Cellular© Tablet

------ Original message------
From: Bill McFarland
Date: Sat, Jan 19, 2019 12:56 PM
To: BCARES Group;Central Missouri Radio Association;
Subject:[bcares] Winter Exercises

Group (s)
I had five responses last week for the exercises. But I announced last Wednesday net that I wanted to cancel WFD due to cold predictions. I held off until today watching the Weather Channel App for a better prediction. Not happening. At this time the prediction is low of 10 and high of 20 (maybe) for January 26 with a 10 mph wind which translates to 20 mph at the Cosmo Park.

SO OFFICIALLY I AM CANCELING OUR CLUB WFD FOR THIS YEAR (again).

You of course can get outside for yourself, or operate the contest from home (1H).

The previously mentioned COMO Whiteout exercise for February 16 at 10:00 AM is still on, BUT with some timely changes. Just a short aside here about power outages:

Last Friday at 8:04 PM, trees fell on power lines up the creek from our house and as I heard the transformer blow, we were plunged into darkness (relatively speaking). For the next 49 hours I got to practice emergency power operations. And guess what? I never once got on the radio! I had three charged up storage batteries of various capacities. As the temperature in the house fell, I used up two of these (with inverter) to power the blower on the wood burning insert in the basement rec room (where we lived for the next two days). They lasted about 10 hours total. Three times I saw utility workers in the back woods working on the lines, so I kept thinking the power would be restored shortly. BUT by Saturday afternoon, I decided I had to get the Honda generator powered up for the blower. Wood supply was still good. With the 2KW generator going, I plugged in the TV and refrigerator, and a 12 V battery charger, and of course the cell phone chargers. With the KilAWatt power meter (Harbor Freight) I measured power requirements of appliances. With TV, blower and refrigerator and a 12V battery charger all on, I was drawing 2.4 A at 120VAC. Less than 1 A when the frig was not cooling. The generator was just idling along, so I plugged in an electric skillet. Current drain went to about 11 A and the generator sounded like it was now working a bit. I think I have drawn 15 A from the generator in testing before, but didn't like doing that much when the generator was so essential for the day. The power came back at 9:05 PM Sunday. I ran the generator for another half hour just to make sure. I used about 4 gallons of gas. (I had to go for gas Saturday afternoon, because I didn't trust the old gas I had on hand). After two days of no heat, temperature in the rooms that the wood stove couldn't reach fell to 55 degrees. Radio room battery back-up still fully charged!

So the moral of the story is: if we really have a serious loss of power for some time period, we will need to be more prepared to take care of the house and family than for getting on the air. 

So on February 16, instead of a white-out, I want us to talk about a black-out, and as you check-in to the net on EMERGENCY power for the radio, I want to talk about what have your done to take care of the house and family when the lights go out besides powering the radio.

 May the Power be with you.
73,
--
Bill N0AXZ

--
Bill -- N0AXZ

BCARES -- EC


Winter Exercises

Bill McFarland - N0AXZ
 

Group (s)
I had five responses last week for the exercises. But I announced last Wednesday net that I wanted to cancel WFD due to cold predictions. I held off until today watching the Weather Channel App for a better prediction. Not happening. At this time the prediction is low of 10 and high of 20 (maybe) for January 26 with a 10 mph wind which translates to 20 mph at the Cosmo Park.

SO OFFICIALLY I AM CANCELING OUR CLUB WFD FOR THIS YEAR (again).

You of course can get outside for yourself, or operate the contest from home (1H).

The previously mentioned COMO Whiteout exercise for February 16 at 10:00 AM is still on, BUT with some timely changes. Just a short aside here about power outages:

Last Friday at 8:04 PM, trees fell on power lines up the creek from our house and as I heard the transformer blow, we were plunged into darkness (relatively speaking). For the next 49 hours I got to practice emergency power operations. And guess what? I never once got on the radio! I had three charged up storage batteries of various capacities. As the temperature in the house fell, I used up two of these (with inverter) to power the blower on the wood burning insert in the basement rec room (where we lived for the next two days). They lasted about 10 hours total. Three times I saw utility workers in the back woods working on the lines, so I kept thinking the power would be restored shortly. BUT by Saturday afternoon, I decided I had to get the Honda generator powered up for the blower. Wood supply was still good. With the 2KW generator going, I plugged in the TV and refrigerator, and a 12 V battery charger, and of course the cell phone chargers. With the KilAWatt power meter (Harbor Freight) I measured power requirements of appliances. With TV, blower and refrigerator and a 12V battery charger all on, I was drawing 2.4 A at 120VAC. Less than 1 A when the frig was not cooling. The generator was just idling along, so I plugged in an electric skillet. Current drain went to about 11 A and the generator sounded like it was now working a bit. I think I have drawn 15 A from the generator in testing before, but didn't like doing that much when the generator was so essential for the day. The power came back at 9:05 PM Sunday. I ran the generator for another half hour just to make sure. I used about 4 gallons of gas. (I had to go for gas Saturday afternoon, because I didn't trust the old gas I had on hand). After two days of no heat, temperature in the rooms that the wood stove couldn't reach fell to 55 degrees. Radio room battery back-up still fully charged!

So the moral of the story is: if we really have a serious loss of power for some time period, we will need to be more prepared to take care of the house and family than for getting on the air. 

So on February 16, instead of a white-out, I want us to talk about a black-out, and as you check-in to the net on EMERGENCY power for the radio, I want to talk about what have your done to take care of the house and family when the lights go out besides powering the radio.

 May the Power be with you.
73,
--
Bill N0AXZ


Re: Now an accredited VE!

Big Jon
 

Nice! Glad to have you.

73,

########################
Jonathan Williams         
AD0ZE                              
########################


On Wed, Jan 16, 2019 at 17:21, Chris Swisher <Komu8ce@...> wrote:
Ready to start helping! (mine is good through 2/10/2027....)



Re: Now an accredited VE!

Jon Cole
 

We’re glad to have you. Congrat’s. 

Jon Cole

On Jan 16, 2019, at 6:03 PM, AD0UK <kc0sjs@...> wrote:

Congratulations, we're glad to have you - Welcome aboard!


73,

Brian
AD0UK



Sent from my Verizon, Samsung Galaxy smartphone

-------- Original message --------
From: Chris Swisher <Komu8ce@...>
Date: 1/16/19 17:21 (GMT-06:00)
Subject: [CMRA] Now an accredited VE!

Ready to start helping! (mine is good through 2/10/2027....)


Re: Now an accredited VE!

AD0UK
 

Congratulations, we're glad to have you - Welcome aboard!


73,

Brian
AD0UK



Sent from my Verizon, Samsung Galaxy smartphone

-------- Original message --------
From: Chris Swisher <Komu8ce@...>
Date: 1/16/19 17:21 (GMT-06:00)
To: main@cmra.groups.io
Subject: [CMRA] Now an accredited VE!

Ready to start helping! (mine is good through 2/10/2027....)


Re: Now an accredited VE!

Fred Dittrich
 

Chris

Great

73

Fred AE0FD


At 05:21 PM 1/16/2019, you wrote:
Ready to start helping! (mine is good through 2/10/2027....)


Now an accredited VE!

Chris Swisher
 

Ready to start helping! (mine is good through 2/10/2027....)


Re: FAA Publishes New Phonetic Alphabet – Aviation News That Matters

Gary Vaught - W9TIG
 

Crap.  I didn't even "read" the title accurately - it says FAA, not FCC.  smh...

-
Best Regards,
Gary D Vaught


On Mon, Jan 14, 2019 at 9:17 PM jcbiggerstaff <jim.biggerstaff@...> wrote:
Joke it is.  Here is the rest of the story...  http://aviationdaily.news/2019/01/14/aviation-satire-website-proves-that-over-99-of-internet-users-are-clueless-rubes/
73,  Jim  N0TKN


Re: Be careful, walking around- slick

Byron Sherman
 

Thanks to all for these cautions.  With my bad joints, it is important for me.  Reminders do help.  Wes



Sent from my Sprint Phone.

-------- Original message --------
From: Mike Morgan <cavecritter@...>
Date: 1/15/19 12:43 PM (GMT-06:00)
To: main@CMRA.groups.io
Subject: Re: [CMRA] Be careful, walking around- slick

Drove in from rural north county. A small amount of black ice on NN. 07:45. Km0mvr.



Sent from my Sprint Phone.
-------- Original message --------
From: Fred Dittrich <fdittric@...>
Date: 1/15/2019 10:54 (GMT-06:00)
To: main@CMRA.groups.io
Subject: Re: [CMRA] Be careful, walking around- slick

John

Thanks for the heads-up. I noticed sneaky iced-over spots on the road this morning.

73

Fred AE0FD



At 10:45 AM 1/15/2019, you wrote:
My son in law at Mizzou hospital ER has seen a lot of folks this morning with fall injuries due to the weather.  Just be extra careful if have to walk around in the outside.  - John NO0I 


Re: Be careful, walking around- slick

Mike Morgan
 

Drove in from rural north county. A small amount of black ice on NN. 07:45. Km0mvr.



Sent from my Sprint Phone.

-------- Original message --------
From: Fred Dittrich <fdittric@...>
Date: 1/15/2019 10:54 (GMT-06:00)
To: main@CMRA.groups.io
Subject: Re: [CMRA] Be careful, walking around- slick

John

Thanks for the heads-up. I noticed sneaky iced-over spots on the road this morning.

73

Fred AE0FD



At 10:45 AM 1/15/2019, you wrote:
My son in law at Mizzou hospital ER has seen a lot of folks this morning with fall injuries due to the weather.  Just be extra careful if have to walk around in the outside.  - John NO0I 


Re: Be careful, walking around- slick

Fred Dittrich
 

John

Thanks for the heads-up. I noticed sneaky iced-over spots on the road this morning.

73

Fred AE0FD



At 10:45 AM 1/15/2019, you wrote:
My son in law at Mizzou hospital ER has seen a lot of folks this morning with fall injuries due to the weather.  Just be extra careful if have to walk around in the outside.  - John NO0I 

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