Ever hear of a Repair Café? Well it’s like that for Ham Radio. See you next Sunday!
Ever hear of a Repair Café? Well it’s like that for Ham Radio. See you next Sunday!
There are a several options for this session:
Setup a Raspberry Pi for WSPR transmission, using the QRP Filter to enhance the TX.
WARNING: This project has the potential to damage your Pi. Though we’ll take great precautions to prevent that, I recommend using one of your older Pis or one you’re okay with potentially frying. The project involves connecting the clock pin directly to an antenna, which has the potential for feedback current above what it can handle. We’ll use a Schottky Diode on that pin to try avoiding that.
To recoup the cost of the components, we ask for a $5 donation if you build a QRP Filter. You can just bring cash to the event or pay via PayPal.
What to Bring
Project 1 – Filter Only (20m or 30m): No need to bring anything, I’ll have a couple of soldering irons and solder as well as the kit. You’re welcome to bring your own iron, solder, and if you do, something to set down under your work area (cardboard or silicon mat). That does tend to speed the build up a bit.
Project 2 – Bring a Raspberry Pi, preferably older or that you’re okay with potentially damaging (see warning above). Also, you’ll need to be able to SSH into it, so it needs to be a WiFi capable Pi or one that has an Ethernet port. (edit) Or have a display and keyboard for direct commands. Also, don’t forget your SD Card to run the OS. I’ll have an image with WsprryPi already loaded, as well as the WiFi password.
NOTE: TXing on 30m requires a General license or above, however, the WSPR range on 20m is within the range for Technician level.
If you don’t have a Pi, you can purchase one locally at MicroCenter or online from many different retailers, including Amazon.
Hope to see you there!
P.S. We’ll also be conducting a FREE license testing session from 12 PM until 2 PM, just before the tech session, same room. So if you’ve been meaning to get that test out of the way, this is also a good opportunity for that as well.
To sign up and get directions go to the MeetUp site by clicking here: https://www.meetup.com/Atlanta-Radio-Club/events/240890571/
2:00 PM at PDK – see you there!
The January Second Sunday event, which is tomorrow, will be a live build of the two “Easy as Pi” projects from Thursday’s meeting. Come and see just how easy it is to build these projects.
Additionally, sorry for the late posting. I thought I posted this earlier but apparently it slipped my mind.
Edit: The presentation from the Thursday meeting is here.
From Bill Perkins, KB4KFT:
November’s Second Sunday Tech also had a discussion about what to do in December and a Coax and Connector was requested. Since no one there objected – we’ll do it.
Be sure to check the bottom of this message for preview of 2017!
Sunday, December 11th, Tech Session Meeting – Coax and Connectors
The December 2016 monthly meeting of the “Second Sunday Tech Session” will be Sunday, December 11th at 2:00p in the main conference room at the main administration building of Dekalb Peachtree Airport (PDK) in Chamblee. The building is at the end of the main entrance to the airport – just follow the road off Clairemont down to the cul-de-sac parking lot at its end. The conference room is in the building marked “Epps”. Come in the main entrance take the stairs at the left, the room is on the left at the top of the stairs – room 227. Talk-in (unofficial) is on the 146.820 machine (minus with 146.2 PL) Most times simplex 146.520 is also monitored.
The address to PDK is:
We will be learning how to build PL-259 connectors and doing them (this is “hands on” sessions after all), building SO-239s, learning and building Anderson Power Poles, ringer and spade terminals, and fixing whatever needs to be fixed.
Also, of course, when dealing with these things you also need to learn techniques for soldering, crimping, stripping insulation, and so on. And my favorite, blow-torch use.
This is a general “bring what you are working on” sort of session where we will deal with about anything that comes in the door.
So if you have coax and need connectors on it, bring it on, power poles, same. Any sort of wire you need attached to something, bring it too. And if you have learned something interesting and want to teach others, come on down and join us. This is not a repair service but a chance to learn some basic skills of repair you can use yourself or pick up some tricks someone else has learned. And of course, have a good time. Some snacks and soft drinks will be provided, feel free to bring your own to share too.
See you there and then.
Coming up in 2017
As a heads up: January 2017 will be the also famous Soldering 101 January – The also famous Soldering 101 by Michael, KD4SGN. Getting ready for long winter kit building it is important to know not only how to solder but how to maintain the tools and supplies. Michael covers everything from getting started to advanced stuff. More on this session as we get closer. Folks are encouraged to bring soldering iron and there will be stuff to practice on.
January program is now TBD.
February – May be an outing in the park… again out of discussion at the November session. We’ll need to get closer to the date to see what weather is like, But portable operation for VHF/UHF/DMR/DSTAR seems to fit as we enter Tornado Preparedness time in early February. More as we get closer. Make your base into a portable, make you HT into a base.
March – Portable operation… getting “rovers” ready for the Georgia QSO Party. This may include building quick up/quick down antennas, power connectors, choke building, etc. We will decide what this is based on what subjects come up over the next two months.
April – We may make this one a Saturday and/or Sunday GQP park outing.
May – Always is an outing in the park. Always good weather too, except once and then we were all under cover so it was more than OK.
June – Preparation for Field Day – hands on portable ideas plus whatever – this too will develop as we get closer.
Half a year half planned.
The following is the announcement for the November Second Sunday event (November 13th) from Bill Perkins, KB4KFT:
This month we are going to meet and discuss setting up a series of CW classes: how to do it, what we need to do, and what would the radio community like to get out of such classes.
Many people now are getting involved in CW. Once it became optional lots of people, after getting licensed, decided they want to start using it, that they were missing something by not using it. Second Sunday has always been about doing things – hands on activity – and this fits that real well.
If you are interested in learning CW, already know CW and want to get better, or are OK with it and like to share what you know, please come to this meeting. This is a planning meeting – input here is important as we will use that to set up the entire program.
The thinking now is the CW classes will be on the fourth Sunday of each month with a way for the group to get together on-line as weekly or more often if needed. This will be an ongoing class with people progressing as far as they want to progress.
If you have a test key/keyer bring it Sunday. If you have any materials you have used in the past to work with CW bring that along too. The more we know upfront the better we can do, right?
Same place: PDK Airport – Dekalb Peachtree Airport Room 227 (top of the stairs near the guard’s office, 2pm eastern whatever-they-call-it-now time).
Come prepared to share your ideas and be part of the solution to the problem of “how do I learn CW?”
The address to PDK is:
It’s been a busy couple of months for the Atlanta Radio Club and there are several events coming up in November.
First, the Member Meeting is this Thursday, November 3rd. John Kludt, K4SQC, will be presenting his program about making contacts when there are no sunspots, “EME using JT65.” Many of us will also be meeting at Cowtippers prior to the meeting for dinner. You can find directions to the meeting and to Cowtippers on the Member Meetings page.
Second, the Stone Mountain Hamfest is this Saturday and Sunday, November 5th and 6th. There will be several micro presentations at the Atlanta Radio Club booth throughout both days covering various topics relating to amateur radio.
Lastly (but not least!), our Second Sunday event will be on November 13th, the weekend after the hamfest, however the program is still TBD. I will post here with the details once the program is confirmed.
The following is the October Sunday Tech announcement from Bill Perkins, KB4KFT:
Time again for our semi annual Second Sunday Tech Session Park Fall Outing. (Technically it is not “semi-annual” since we only do the Fall outing once a year, in the fall… but go with me here, OK?)
Setup starts around 2pm and we continue with the last person usually leaving the park right at dark.
If you are new to ham radio or just interested in what we do come on out and check it out. GOTA (Get On The Air) radios, VHF and UHF (and DMR) radios will be up and running. And there is usually someone doing something new (sometimes just plain odd) just to see if it can be done at all.
If you have a rig or gear you want to try it out come on out we can get it on the air for you (well… unless it requires some odd ball DC voltage, we’ve had people show up with radios needing 37V). If you want to come and use a radio, try out HF, or try out an antenna, or just hang around for a while – you’re welcome to come and do any or all of those things. We can get most any antenna up enough to try out and there will be extra batteries for those who don’t have one big enough to run their rigs.
The only real purpose is to play with radios and have fun. This is supposed to be a fun hobby. So come have fun.
Simple snacks, soft drinks and water will be available. We seem to often run short of chairs so bring your own folding chair if you can.
We will be set up near the near Collier Road and Walthall Street. There is some limited parking on Collier, most of us park along Walthall Street, there is a hill but there is also some steps and a good ramp down into the park.
The outing will be at Tanyard Creek Park. You can use the following address which should get you close to the small parking lot that Bill mentioned, though you may just have to find street parking as it’s a pretty small lot and usually packed.
488 Collier Road Northwest
Atlanta, GA 30309
The following is the Second Sunday announcement for September from our Second Sunday chair, Bill Perkins, KB4KFT.
I am calling this “An Afternoon with Dick” because you don’t get a chance to work with an expert CW guy very often… and it will be in the afternoon.
Dick, K2UFT, will be doing a hands-on CW training and learning session for September. He will be covering topics from basic “how do you learn” to advanced stuff. If you’ve ever been around Dick doing CW then you know his “advanced” is rocket science compared to most of us.
Bill Perkins, KB4KFT, will be leading our Second Sunday session on August 14th with his world-famous “Connectors and Coax” session.
Please visit our Meetup page for directions and to RSVP for this event; this is not required and there is no fee, however this will give us a rough headcount so we know how many people to expect.
The following is the official announcement from Bill:
It is going to be rainy, if not wet then too hot – or worse both. So why not stay in where it is cool and do something ham radio related with the guys?
Sunday, August 14th, 2pm, the Coax and Connector at The Second Sunday Tech Session.
This is a session where we work with coax, twin lead (ladder line), PL-259s and the related SO-239s. (Thank you US government for the neat almost incomprehensible part numbering scheme – PL-259 is the male 50 ohm connector on most coax fed antennas. SO-239 is the PL-259 female on the back of most ham radios. These are called “UHF types” though most UHF gear uses the N-type connectors, male and female, that are a whole different breed of cat. Go figure.)
We also do powerpoles, wire connectors, and other crimp and/or solder-able connections. Soldering irons will be available but feel free to bring your own. There will also be a few small blow torches for building bigger connectors and a few folks around who can show how that works too.
If you want to learn to build these or learn power poles or solder connections, or generally want to pick up some points on working with these things then come on out to:
Dekalb Peachtree Airport (PDK)
Main administration building.
Angel Flight Conference room, top of the stairs on the left side of the building as you come in.
Oh… starting at 2pm eastern time.
At the end of this session you may not be an expert but you should be to able to approach your own connector and coax issues and have an idea where to start.
Join us on June 12 as we spend some time with this $12 piece of magic the SDR Dongle.
Want to be an APRS iGate?
Want to have a 25 Mhz – 1.2 Ghz Receiver?
Want to track airplanes as they fly over your house?
You can do it with the dongle.
We’ll connect these up to a Raspberry Pi to show these and a few others at PDK on June 12 at 2:00 PM.
If you would like to buy an SDR Dongle at the session, they will be be a limited quantity there for $12. If you would like to buy a Raspberry Pi 3 Starter Kit to go with it we will have a limited quantity there for $70. Contact [email protected] to reserve a kit in advance.
Update: Instructions handed out during the session can be found here.