Who said kids are not into Amateur Radio

We just graduated this mom and her two kids from our recent on-line course. The kids are age 11 and 13 and passed the written exam AND a CW endorsement with neighbour Guy VA7GI coaching them. 

Congratulations and see you on the bands. 

~

VB7MAN is ON AIR!

Mark VA7MM and others are our first guest operators

A recent VB7MAN QSO with Jake, KC7WXD, in Nevada.

Jake is an antique wireless experimenter and the chirpy note of the Command Set at VA7MM using VB7MAN, obviously caught his attention. The photo is of Jake’s homebrew 802 tube transmitter. His QRP signal at 2.5 W with the 802 transmitter was a perfectly copiable up here in BC.

If you would like to be a guest operator using the MANNA@80 callsign VB7MAN, have a look at the calendar for available slots and send us a note at vb7man@gmail.com. You can use any band and any mode anywhere in BC.

~

The Planning for MANNA@80 Continues...

Planning for the special event stations commemorating the life-saving food drops to NW Netherlands near the end of World War II is now in full swing. 62 nationalities were part of Bomber Command in WW2. 

Please visit Operation Manna @ 80 for a full list of stations around the globe. Here are the Canadian stations participating:

VB7MAN Surrey Amateur Radio Communications

In Canada, Surrey Amateur Radio Communications (SARC) has been granted special event callsign VB7MAN from April 1^st to May 10^th. We will be on the air from our training station and elsewhere prior to, during, and after the event and will seek involvement of the high school students from our RF Communications class. Contacts with Europe can be sporadic from our location but we are generally able to contact North and South America, Asia, and Oceania. We have created a QSL card to commemorate the event. The card bears the $100 Royal Canadian Mint gold and silver coin struck in 2020 for the 75^th anniversary. 

We will update this page as plans progress but hope to make a QSO with you in April or May. Any certified amateur in BC may operate the special event callsign, as long as it is only used in one location at a time. If you wish to use the call on any band or mode, a Google calendar has been set up to reserve the call for your use between April 1st and May 10th. If you wish to book an operating time for VB7MAN, please contact VB7MAN@gmail.com.

John VE7TI
Coordinator VB7MAN@gmail.com

 

VB6MAN Calgary Amateur Radio Association

CARA will be operating from the Bomber Command Museum of Canada in Nanton, Alberta. They will activate on April 25, 26, and 27th and May 9 and 10. The final dates and hours of operations will depend on the radio amateur operators participating.

 

VE1MAN Nova Scotia

The Canadian teams closest to Europe will be operating from their club station as VE1MAN. They may be activating from a former WW2 air base or another location of significance to tie in with the event.

 

Radio Amateurs of Canada published an article about MANNA@80 in the March-April issue of The Canadian Amateur, as did the Radio Society of Great Britain in their national magazine RADCOM.

~

The RF Communications course continues...

 

 

~

Canadian Amateur Radio Hall of Fame Presentation

At the Surrey Amateur Radio Communications March general meeting, Hitoshi Takahashi VE7LET, the Radio Amateurs of Canada Director for BC & Yukon, presented John Schouten VE7TI with a plaque commemorating his appointment to the Canadian Amateur Radio Hall of Fame for 2024.

John Schouten [left] and Hitoshi Takahashi [right]

[left to right] Hiroshi Takahashi, John Schouten
and retiring RAC BC-Yukon Director Keith Witney

Radio Amateurs of Canada recognizes deserving Amateurs by appointments to the Canadian Amateur Radio Hall of Fame. The Constitution for the Hall specifies that the appointment as Member of the Hall is made for “outstanding achievement and excellence of the highest degree, for serious and sustained service to Amateur Radio in Canada, or to Amateur Radio at large”. The Trustees of the Hall have interpreted the Constitution to mean that the person has performed significant service over many years to enhance the well-being of Amateur Radio. Radio Amateurs of Canada and the Board of Trustees of CARHOF sincerely congratulates John Schouten VE7TI, on his appointment to the Hall of Fame.

A detailed account of his achievements will be presented in an upcoming edition of The Canadian Amateur magazine.

For more information on the Canadian Amateur Radio Hall of Fame please visit: https://wp.rac.ca/carhof/

Frank Davis, VO1HP
Chair, Board of Trustees
Canadian Amateur Radio Hall of Fame

~

 

 

The Communicator March - April 2025

Lots happening...

You will find some great articles in this issue, along with our regular columnists.

Now read in over 165 countries, this issue brings you 115+ pages of Amateur Radio content from the Southwest corner of Canada and around the globe. With less fluff and ads than other Amateur Radio publications, you will find Amateur Radio related articles, projects, profiles, news, tips and how-to's for all levels of the hobby.

Download the January - February Communicator in 
LARGE or SMALL format, or read it on-line like a magazine

Previous Communicator issues:

Search for past Communicator issues

We are working on providing you with a comprehensive searchable index,
but in the meantime a searchable topic index is HERE.  

As always, thank you to our contributors, and your feedback is always welcome. 

The deadline for the next edition is April 15th.

If you have news or events from your club or photos, stories, projects or other items of interest from BC or elsewhere, please contact us at communicator@ve7sar.net

73,

John VE7TI
'The Communicator' Editor

The Table of Contents for the March - April 2025 Communicator issue:

• The Rest of the Story - Alfred Lewis Vail 4
• Bob King G3ASE: World War II RSS Monitor 8
• World Amateur Radio Day 10
• News You Can’t Lose - BandOpticon 12
• Page13—News You Can Lose 13
• Radio Ramblings: Passive Radar Update, BladeRF SDR, $5 Yagi 14
• The Wobbulator 25
• Rubber Coating Removal 28
• Dealing With Leaking Dry Cells 29
• An affordable and easy PCB vise solution for electronics hobbyists 30
• The ‘7300’ User Group - The spectrum scope and waterfall 31
• Remote control and operation 34
• Do you own an Alinco DR/135/235/435T or TYT9000? 37
• The Background Noise on the HF Amateur Bands 38
• BCQP 2025 — Initial Thoughts 44
• From the ATV Journal - An Impressive, Low Cost LNA 46
• Pi Pico Makes SSTV Reception a Snap 49
• ISED Releases New Canadian Basic Amateur Radio Question Bank 50
• Forget the Coax, Use Cat 6 52
• Ohm’s Law: Look what you can do with it 53
• Stranded: An Unlikely Friendship 55
• A satellite primer 58
• A DMR Primer 59
• Those Darn Wall-Wart Power Supplies! 60
• Operation Manna @ 80: Honouring the legacy through amateur radio 63
• Ham Radio Gizmos Platform  Launches Documentary Series 66
• Ham Radio Outside the Box: An Off-Center Fed Sleeve Dipole 67
• Are You a Rag Chewer or a “59 73” Operator? 70
• 2 Meters: Another Slacker DXpedition 71
• KB6NU: How do we encourage more experimentation in amateur radio? 74
• What CAD software do you use? 75
• SARC on 24 GHz! 76
• The Solar Max: Is a second peak coming? 77
• Foundations of Amateur Radio 78
• No-ham Recipes: Toad-in-the-hole 81
• Back to Basics: Understanding Ohm's Law 82
• Profiles of SARC members 88
• Index of Past Profiles of SARC members 90
• Winter Field Day 95
• A Review of Distracted Driving Regulations in BC 109
• QRT: The Crucial Role of Amateur Radio 110

Special Event Station PA80OV

Radio Club Limburg

 

announces

Special Event Station

PA80OV

Next week, members of Radio Club Limburg (https://rclb.nl) in the North Limburg region of  The Netherlands, will activate:

 

PA80OV is a special event station to commemorate Operation Veritable, celebrating 80 years of freedom.  Operation Veritable, namesake of the station, and the successor of Operation Market Garden, was the northern part of an Allied pincer movement in the Second World War.

We are back in 2025 for the third consecutive time with this special event station; having added another 5 years to our callsign.

Members of Radio Club Limburg will activate the callsign PA80OV from February 13 to 28, 2025, to work as many amateur radio operators across the world as possible. If you're in the area,  you can visit our station in the old town hall in the city of Gennep, The Netherlands between February14 and 16.

Whether you are an amateur radio operator, hoping to contact a new country, a new callsign, or you're a casual visitor, you're welcome to our website:

 https://rclb.nl/pa80ov

We hope to hear and work you.

On behalf of the PA80OV team. 

Jan, PA2P
https://rclb.nl/pa80ov

 

Operation Manna 80

A very special, special event station

SARC has been asked to participate in a large-scale special event late in April commemorating the relief efforts of the winter of 1944-45 to drop tons of food to the starving population of NW Holland. It is well described at: Operation Manna @ 80 and in the video https://youtu.be/0PwhYFdzY_Q. 

Amateur stations from the drop zones in Holland, air force bases in Britain, plus the Allied forces that provided aircraft and pilots, including the UK, Canada, The US, Poland and Australia will be represented by special event stations in those countries.

Three UK Teams, one at the International Bomber Command Centre, another at former RAF Binbrook (an Operation Manna Airfield in the UK) and another at the 100th Bomb Group Museum at Thorpe Abbots representing the US operation Chowhound from a former Chowhound airfield.

The national Radio Scouting team (Plusscouts PA3EFR/J) will be operating from an Operation Manna drop zone near The Hague, The Netherlands. Read on for further details on this team and their radio station location at  The Team in the Netherlands – Operation Manna @ 80

The stations will be active April 25-27 (Friday through Sunday) using variations of the xx80MAN callsign. Here at SARC, we will be using VB7MAN (because of Canadian location designations we are required to have a '7' in our callsign). Visit VB7MAN - Callsign Lookup by QRZ Ham Radio

Children and youth activities will also be included and there will be activity on HF, DMR and VHF

https://manna80.radio/w p-content/uploads/2024/12/Award_new.jpg 

When we activate, you can find out if we're on the air
from our HamAlert spots:

Our Grid.Radio Location

There will be a full article in the next Communicator (March 2^st)

Our email address is VB7MAN@gmail.com and our activation calendar is here.

~ John VE7TI

SARC-SEPAR Winter Field Day

Winter FD was pretty good! 

Five of us set up in three sites at Derby reach including Paul VE7VP and 3 newer hams (Carl, Barbara, and Elaine from the last class).  John VE7TI and Summer School graduate Grace VA7LZT came out and Grace was able to work 20m for a while which was great.  We only made around 60 or 70 contacts, but we were operating more casually.  We had a fair number of visitors, both Ham and non-Ham.

A full report will follow in the next Communicator.

~ Andrew VE7LGN

 

 

SARC on 24 GHz!

Believed the first in BC

On Jan 22, 2025 at 14:30 pm local time, two members of the Surrey Amateur Radio Communications Society completed what is believed to be the first 24 GHz terrestrial contact in BC.   

Scott VA7SC was in grid CN89nb at Crescent Beach and Dino VE7NX was in CN89ic at Boundary Bay, approximately 10 km distant. Scott was transmitting just 1 mW using a mixer and local oscillator into a 24" dish with shepherd's crook. Dino was using a Wavelab module delivering 80 mW output with controller and 12" dish.   SSB signals were loud and clear. Antenna orientation was critical, and with a few degrees off-target the signal was gone.

We fully acknowledge and thank Hugh VA3TO and Peter VA3ELE for their assistance in making this a reality.   

There's a video at https://youtube.com/shorts/PzVmCyqCIJY

~ John Brodie VA7XB

Five-band HF Linked Dipole [updated January 2025]

An improved build

This antenna was first described in the November-December 2023 Communicator. After a year of using it, I’ve developed some improvements. - Updated January 2025

I appreciate inexpensive but effective antenna design. Sure, you can spend hundreds of dollars to buy a multiband antenna for POTA or GOTA but they are so simple to build, why would you want to? You can enhance your skills and communication capabilities by constructing custom antennas.

One popular and versatile option is the multi-band HF dipole antenna often called a segmented or linked dipole. This antenna design allows for effective communication across multiple HF bands by connecting or disconnecting sections along its length making it an inexpensive asset for ham radio operators, particularly outdoors enthusiasts and those needing a light, packable wire antenna that can be erected almost anywhere, and with good results—better than an end-fed, because each segment of the antenna is pre-tuned during construction, and can be used safely even when no antenna tuner is available.

Ideally it is hung from a pole or tree branch at 20 feet (6m) as an Inverted V, with the center point high and the dipole legs spread at least 110-120 degrees. I have worked the globe with this set-up on sideband and 20 Watts.

 

Oly one side of the dipole is shown 

As before, each of the five sections is cut to the band so no tuner is required. It is a marvellous POTA antenna, far better than any vertical, Hamstick or commercial antenna that I have tried.

You can read/download the updated article at: https://bit.ly/LinkedDipole

~ John VE7TI

SARC Bi-weekly Bulletin - 2025-01-16

January 22, 2025

Issued during the first and third week of each month, it provides a quick reference for member activities, resources and links for the following weeks.

ANNOUNCEMENTS

Creative Assistance Needed

Do you want to get to know the members of SARC/SEPAR better? Do you want to become a columnist with what is possibly the most widely read amateur radio newsletter in the world? Have we got a job for you! We are looking for a columnist to coordinate the bi-monthly “Member Profile” for the Radio-Active column of The Communicator.  The task involves sending out a questionnaire to a prospective candidate and then creating a 500-1000 word story based on the answers, along with a couple of photos. You do not need to be an expert writer, and (if needed) the editors will help with syntax, spelling and grammar. If this appeals to you, please contact John VE7TI via communicator@ve7sar.net.

Parks-on-the-Air (POTA) Brochure Available
Those of us who do POTA are frequently approached by passers-by enquiring what we are doing. For this purpose, John VE7TI has created a SARC POTA brochure that can be given to those looking for additional information. The .pdf file is available for download at https://bit.ly/POTAbrochure.

10 GHz Beacon Featured in RAC Journal
You have heard about SARC’s 10 GHz activity on these pages previously, but now the beacon project has caught the attention of Dana Shtun VE3DS who writes the 10m and Down column for RAC's Canadian Amateur magazine.  See page 10 of the January-February 2025 edition: https://www.rac.ca/digitaltca/. Update to the article: The beacon callsign is now VE7SAR/B and the power output 150 mW.  More on 10 GHz below.

Thursday Get-on-the-Air (GOTA) Net On Hold

The GOTA net for new hams is on hold for now.  We have several exciting initiatives underway to bring a new generation of ham radio operators into the hobby, including the Kwantlen Park ham radio summer school course, and a program to offer ham radio as a full-credit regular high school course.  We expect to resume the net when we have a critical mass of newly certified graduates anxious to try out their radios and get comfortable making radio contacts.

UPCOMING EVENTS

Meet the Royal Marines Event (Jan. 23)

The Royal Netherlands Army Signal Corp., callsign PA25MC, is organizing a
communications  event on Jan. 23rd from 1100 Z to 2000 Z.  PA25MC is organized and
supported by PI4VBD, the club\station of the Royal Army.  Here's their official statement:
"PA25MC is on the air for just 1 day to introduce Marines to the world of ham radio. We try
to use as many HF-bands as possible in SSB. Marines are used to speaking English but
naturally [they will] keep their communications short."  Look for PA25MC on the 10, 15
and 20m bands.

ARRL Winter Field Day (Jan. 25-26)

WFD is designed to help increase your level of preparedness and operating skills for disasters in winter environments, which present unique operating conditions.  It has been suggested that SARC and SEPAR members deploy the SEPAR trailer for this event.  Please respond to this email if interested.

BC QSO Party (Feb. 1-2)
A team has been assembled to challenge the BCQP.  We plan to operate two radios, CW on one and SSB on the other, both at 1 kw. The contest runs from 8 am to 8 pm Saturday and 8 am to 4 pm Sunday.  If you have never contested before, you may choose to monitor or team up with an experienced operator who will help you get started.  Let's see if we can beat last year's score of 1858 Qs and 1,842,308 points which got us the Top BC Multi-Op award.  Check out contest details at:  Orca DX and Contest Club -- BCQP Home Page. 

Winlink Coaching (Saturday mornings with Horace by prior arrangement)

In follow-up to the Winlink workshop held in December, Horace VA7XHB will be available on Saturday mornings to assist members in setting up Winlink.  If interested, contact Horace at horace@zyserver.com with your name, callsign, make and model of radio and interface.

Related Item… SARC now has two Winlink Gateways

One is at Surrey Firehall One using callsign VE7HME-10 on 145.710 MHz and a second is on Concord tower at 100th Ave and King George Blvd using callsign VE7ADQ-10 on 145.770 MHz.  Packet 1200 Baud and VARA FM Wide capable.

Every Saturday Morning (except when other scheduled events conflict)

Members, spouses and prospective members are invited to join the SARC Breakfast social every Saturday morning from 7 to 9:30 am at Denny's Restaurant 6850 King George Blvd, followed by Operations & Training Centre ("OTC") activation from 9:30 am to noon at 5756 142 St. Surrey.  At the OTC you may get help with your radio issues, operate the station radios including satellite station, participate in contests, write the exam, or join in workshops and training.  Or just engage in friendly discussion with your fellow hams.

SARC Official Calendar

Your official reference for dates and times of events is the SARC Google Calendar, which is updated as details change, so please check the homepage on the SARC website: www.ve7sar.net.

NETS & REPEATERS

Tuesday Nets

Join the SEPAR net every Tuesday at 7:30 pm and the SARC net at 8 pm on either of the repeaters: North repeater is on 147.360 MHz tone 110.9 Hz and South repeater is on 147.360 MHz tone 103.5 Hz.  IRLP and Echolink are only available on the North repeater.

Sunday Monthly 220 MHz Net (next one is Jan. 26)

Join the 220 MHz net taking place at 7:30 pm on the last Sunday of every month on VE7RSC repeater 223.960 MHz -1.6MHz tone 110.9 Hz, with net control, Shawn VE7BD.  This is not a "chat" net – just check in, exchange signal reports, and get on with your evening.

Yaesu System Fusion (YSF) repeater 443.775 MHz+ tone 110.9Hz

This repeater is connected full-time to CQ-Canada (VE1AO) room 40678 – home to the Cross Canada C4FM Weekly Net on Wednesday 6 pm PST or 0200 UTC. Located on the Concord high-rise in Surrey, it is one of the few System Fusion repeaters in BC that is WIRES-X capable (i.e. it connects to the Internet). Using your Yaesu C4FM radio, you can use this repeater to talk to the world.  It is connected to the highly fault-tolerant BC WARN Internet system, which is designed to remain operational during most internet outages. Familiarity with WIRES-X on our YSF repeater can play a crucial role in emergency preparedness.

Net Reminders

"Net reminders" for those running or participating in various nets are automatically sent out by AdvancedAmateur.ca.  If you are forgetful like me, you may want to receive reminders by signing up at Net Reminders. 

PROJECTS AND AD-HOC GROUPS 

Satellite Station Project

Dino VE7NX is available to coach those who wish to learn how to make satellite contacts using SARC's new satellite station.  Contact Dino dimtchog@gmail.com or reply to this email if you would like to learn more.

Innovation Dept: 50 MHz and Up

As reported earlier, SARC's 10 GHz beacon VE7SAR/B running 150 mW is in continuous operation from our repeater site on Concord tower in Surrey. Dino VE7NX has promised to help members who would like to assemble suitable equipment to monitor the beacon. 

We can also report that last weekend, during the ARRL VHF 6m and above contest a successful 4-way 10 GHz CW contact was made between Scott VA7SC at Crescent Beach, Dino VE7NX at Boundary Bay, Mark VE7AFZ in Burnaby and Kirk VA7RKM on the Malahat Hwy north of Victoria.  This was accomplished by bouncing signals off the North Shore mountains and tall buildings in Burnaby.  The longest path was about 130 km.

Members Slava VE7LWW and Les VA7OM are working to construct their own 10 GHz equipment and hope to be operating soon.

What's next?  Stay tuned for announcements about a 6m beacon and 24 GHz beacon, both of which are under construction and testing by Dino VE7NX and Scott VA7SC.  

Contesting Group

To participate in scheduled contests, or if you wish to operate the club station radios on your own time, please reply to membership@ve7sar.net.  Coaching will be provided as needed. See WA7BNM Contest Calendar: Home for a complete list of available contests.   Next big one is the British Columbia QSO Party on Feb. 1-2 (see Upcoming Events above for more information).

IC-7300/IC-9700 Special Interest Group

This group is hosted by John Schouten VE7TI, with the most recent update on pp 37-41 of the January-February 2025 Communicator.

Do You Want to Learn CW?

Check out the Long Island CW Club, which has a comprehensive and highly-regarded on-line program for learning CW and how to get comfortable using it: https://longislandcwclub.org/#.

 

Vancouver Area Frequency List

Reg VA7ZEB has created a Vancouver Area Frequency List, which is a vetted list of useful frequencies across several services including Amateur, EmComm, Broadcast, Weather, LADD, Regional Road, FRS/GMRS, Railway, Airband and Marine. It can be easily downloaded in Generic CSV, Chirp and RT Systems format, or you can download it in PDF format for printing.

 

Incoming QSL Bureau

Any member wishing to receive in-coming QSL cards should send Ken VE7BC an email at ve7bc27@gmail.com or call/text him at 604-816-5775 and the cards will be collected for local distribution by Shawn VE7BD.  Or, if you are simply wondering if Ken has any cards for you, please contact him.

Download the January-February Communicator in LARGE or SMALL format, or read it on-line like a magazine.

Free VE7DXE Advanced Certification Course: ve7dxe@hamshack.ca

Radio Amateurs of Canada (RAC) Advanced Certification Course

Please contact the course instructor Dave Goodwin, VE3KG, at regulatory@rac.ca for information on how to register for RAC’s Advanced course.

Link to SARC’s Basic Ham Class Overview:

Welcome to our courses.pdf - Google Drive.  The current course commenced Jan. 6, 2025 with 33 students registered.

ARRL Asks Hams to Send Radiograms via the Web

In a recent issue of the National Traffic System  (NTS) Letter, the ARRL encouraged amateur radio operators to utilize the Radiogram portal on the web to submit free messages to friends and family. The link takes you to a webpage where you enter the particulars for sender and recipient, select a message and operators in the NTS will send it on to the recipient. Sending Radiograms helps volunteers hone their skills in preparation for emergencies. What happens next?  A volunteer, FCC-licensed Amateur Radio operator will pick up your message from this web site and then send it, by Amateur Radio, over the air to other volunteers in the National Traffic System. The message will be received by a ham who lives in or near your recipient's city. Then, the message will be delivered in person or by telephone.  For more information about The National Traffic System and traffic handling visit: https://nts2.arrl.org/training/. A typical sent message reads as follows:

From: JOHN SCHOUTEN
To: FRED SMITH
1234 ANY STREET
SURREY BC V0P 1R9
604 123 1234
ve7vpu@myrac.ca

WISHING YOU A VERY HAPPY BIRTHDAY.  ALL THE BEST, 
JOHN SCHOUTEN

WANTED OR FOR SALE BY MEMBERS

 

Monty VA7MMW is still looking for a female connector like the one shown for his Yaesu FT-101B. It is a CINCH JONES S-312-CCT POWER SOCKET 12PIN. If you can help Monty please contact him at mam@mail.ubc.ca.

73, 

~ John VA7XB  membership@ve7sar.net

 

Manna80 and other Special Event Stations

 You may wish to add these to your calendar

We will publish a report in The Communicator's next issue.

I would like to inform you about a few special event stations we will put up in the next few months. 

February 14,15 and 16th, PA80OV will be operational from Gennep, Netherlands. 
I will be a guest operator, and probably the organisation has written to you allready, but it is nice to know. 

https://radioclublimburg.nl/pa80ov/

~ Sander

----------------------------

The two others are also very interesting. 

At the end of WW2, the Netherlands suffered a hunger winter. Allied forces conducted a humanitarian action called Operation Manna. 
In April this year, 80 years ago, tons of food was dropped over the western part of the Netherlands, saving many people from starvation and death. 

To commemorate this event, we will activate a couple of stations, including GB80MAN, VE80MAN, VK80MAN, PH80MAN. 
We are hoping Poland is participating as well, and we hope the USA will put up a station. 

https://manna80.radio/the-team-in-the-netherlands/

As you have seen some SES from us, we will put up PH80MAN at a former drop zone. 
I have added a flyer with this mail.  This one is in Dutch, but an English version is under construction... will follow as soon as it is done!

Lastly, I would like to inform you about PA82AD. 
This is a call we used 5 years ago to celebrate 75 years of freedom. We held a DX-pedition but due to COVID, we could not really complete our goals. 
Please read the qrz.com page from bottom up. 

https://www.qrz.com/db/PA82AD

To finish this DX-pedition as planned, we will be operational for a very last time. 

Thanks again for reading, and hope to hear you on the bands. 

73, 

~ Sander PD9HIX

 

A different kind of Foxhunt

Suitable for the urban fox 

From the January-February 2025 SARC Communicator

If traditional foxhunts don't work well for your club or organization, this one might...

The last few months, I've been thinking about a different way to do a Foxhunt.  My vision was to have a Foxhunt available whenever you want, especially this time of year. Not everyone lives in town, and everyone's busy shopping and might not be able to dedicate an afternoon on a specific day for a group search. But what if the fox kept calling you out for a few minutes here and there, whenever you had a chance? No pressure, just try it out and see what you can find with your gear, experimenting with different antennas to get the best results. Go get that Fox!

Where to start with my build? You guessed it: Google and YouTube.  The first step was to make a Fox using things I had in my toolbox. I got a Baofeng radio, Arduino UNO, batteries, a waterproof box, and a Drok buck converter. Simple enough, right?

I first searched using Miss Google and came across this: https://www.hackster.io/nfarrier/auto-keyer-for-radio-fox-hunting-e89b99  "Cool, I can do this," I thought, so I did. After putting it all together, I programmed the Arduino UNO using the Arduino software with the code from that website. I set up the CW message, and everything tested just fine. My vision was starting to come true!

My power supply was an 18 volt 5.0 Ah Lithium-Ion Battery (Makita BL1850b) feeding in the Drok Buck Converter to reduce the voltage to 7.4 Volt for the Radio and that voltage was also perfect to feed the Arduino Uno as it has a 12 volt connection with its own regulator to supply 5 volt to the board.

Tested everything, and boy was this great! One watt output from the radio gave good range. I packaged it all up and headed outside. I found a good hiding place for the Fox, with easy access and safety in mind.

I could hear it from the east and west side of town. All was good darn... a few days later I couldn't hear it anymore until I was right beside it. I took the Fox home and discovered the TX (transmit) wasn't putting out power anymore, even though the battery was still good. My Fox SX5 Mosfet transistor must have failed. It must have been spending too much time in TX mode. So, I replaced the radio and changed the transmit message, reducing the time by almost 50 percent.

I put the Fox back in its den, and it was happy again, calling everyone to get searching. Darn... a few days went by, and once again, it stopped transmitting. I figured it must be the batteries. Out it came, and yes, the batteries were depleted. However, the Fox SX5 Mosfet transistor also failed again.

There goes the fox hunt, second radio blown. How disappointed you all would be!  I talked to a fellow ham about Baofeng radios. He uses them more often than me, and he showed me in the manual that the duty cycle is very small, 03/03/54 minutes (RX/TX/Standby). My fellow ham had a spare radio he wasn't using, so I bought it from him.

I did a few more programming changes to adjust the duty cycle.  I also decided to add "MORE POWER!" (à la Tim Allen)  So, I added a second Makita battery for a longer stay in the den.
I relocated the fox to be closer to home, just because I know I'll need to replace the batteries in a few days. For those of you in the area, I hope you all get a chance to find the Fox.

Happy Fox Hunting! 73,

~The Silver Fox VE3BQM

Hams meet Marines

A special event station from The Netherlands

This is an HF activity on January 23 from PA25MC, which will be on the air for just one day to introduce Marines to the world of ham radio. They will try to use as many HF-bands as possible on SSB. They remind us to please remember that Amateur procedures are new to them, but will do everything to get them up to speed quickly. 

Marines are used to speaking English but naturally keep their communications short. The organizers would really appreciate it if you contribute to a successful event by connecting with them!

PA25MC is organized and supported by PI4VBD, the club station of the Royal Army. Their station will always comply with the user regulations and regulations for radio amateurs and has no military function.

PI4VBD Royal Netherlands Army Signal Regiment on air 

https://verbindingsdienst.nl/ 

https://www.instagram.com/signalregiment_pi4vbd/

QSL info for PZ5JT

Read carefully - send your card with return address, and without anything extra direct to:

PI4VBD / Verbindingsdienst,

Barchman Wuytierslaan 198, 

3818 LN Amersfoort, 

The Netherlands

~ Ton and Klaas-Jan

  John VE7TI