I love to check out interesting, new antenna designs. The Rybakov isn't actually a new antenna, it has been around for a while; either I just hadn't come across it before or I had passed it over and forgotten about it. So when I read about it recently I just knew I had to find … Continue reading What in Heaven’s Name is a Rybakov Antenna?
Category: Builder Projects
A Versatile Backpack Rig for POTA Activations
I recently posted about POTA becoming a competitive activity. Admittedly, I have caught the bug but I also still enjoy just getting out into the Big Blue Sky Shack and being all alone with just my radio for company. Competing for POTA awards involves rushing from park to park balancing QSO count with getting as … Continue reading A Versatile Backpack Rig for POTA Activations
How to find out if your common mode current choke really works
What is common mode current? It is the current that flows along the outer surface of your coax shield from your antenna back towards your radio. It can cause SWR problems, erratic behaviour of radio equipment and even RF shocks when you touch metal parts of your rig. A coax cable has three conductors! Due … Continue reading How to find out if your common mode current choke really works
Modifying my DIY Loading Coil
I have been very pleased with my DIY clone of a Wolf River coil. It has served me well on multiple POTA activations for the last few months. But, there is always room for improvement! And, besides, hams love to tinker with their equipment to make it just that little bit better. The coil is … Continue reading Modifying my DIY Loading Coil
Watts on Wheels
My portable operating station - which I use principally for POTA activations - is constructed in the form of a manpack inside a very rugged cotton canvas NATO-style rucksack. Nearly everything is hooked up, ready to go. I don't need to find a picnic table, the manpack has an internal frame just high enough to … Continue reading Watts on Wheels
How to Design and Build a Field Expedient End-Fed Half-Wave Antenna for 20m, 40m and 80m
Field expedient antennas differ from home-based, permanent antennas. At a home QTH there is often plenty of room to install a larger, higher antenna. In the home shack, the radio is often capable of putting out a much more powerful signal than a field radio. Out in the field, for example at a campsite, space … Continue reading How to Design and Build a Field Expedient End-Fed Half-Wave Antenna for 20m, 40m and 80m
A Backpack Radio Lap Desk
It isn't always easy to find a picnic bench just where you need one for outdoor radio operations. Quite often a compromise is necessary. That is where my lap comes in handy. Somewhere convenient to put the logging notepad, writing instrument, CW paddles and a small clock for logging the time when contacts are made. … Continue reading A Backpack Radio Lap Desk
A DIY Clone of the Yaesu FH-2 Remote Control Keypad
The biggest disadvantage to using a Yaesu FT-891 transceiver for field operations may be that its small form factor means most features have to be accessed from the menu system. Fortunately, some of the most used features can be easily assigned to the front panel "A", "B" and "C" keys. That's great, but in the … Continue reading A DIY Clone of the Yaesu FH-2 Remote Control Keypad
A New Loading Coil for the Field Vertical Antenna
There are several reasons for building our own ham radio projects instead of buying commercial products. First, the satisfaction of making contacts using hardware you have built yourself. Second, it usually costs far less to build it yourself. The restrictions, lockdowns and supply chain shortages we have experienced recently sometimes also make it a necessity … Continue reading A New Loading Coil for the Field Vertical Antenna
Radio Sled First Outing – On the Beach on February 1st!
The first day of February has been very mild with temperatures creeping just above freezing. There is a decent covering of snow, with lots more due over the next couple of days - ideal conditions to give the new radio sled its first tryout. I chose a nearby beach looking out over Georgian Bay which … Continue reading Radio Sled First Outing – On the Beach on February 1st!