Відео

I explain why my main lift cable failed on the US Tower HDX-589mdpl, and show what the wreckage looks like. I also give a little detail on the new 160m TX array, since it was related modifications that caused the failure.

How to set up the latest version of PST rotator to drive antenna relays using the new "Command" function. Old video to setup USB relay boards: ua-cam.com/video/uO5J5wlviPM/v-deo.html

I show how to use the Kiwi S-meter attachment to evaluate your transmit antenna performance on air. Do quick tests to check the front-to-back, or make a full polar plot on any band. Blank Polar Plot Chart: drive.google.com/file/d/1_MIKRjvtkXVGwU8nQxuRHOsyqSd4rVIH/view?usp=sharing

How I combine my Beverage arrays in the shack, split to multiple radios and switch directions. KiCad starter video: ua-cam.com/video/EpTK4yfk4yw/v-deo.html 4 Way spillier video: ua-cam.com/video/_HvBf_tnjEg/v-deo.html PST rotator setup (old and slow video): ua-cam.com/video/uO5J5wlviPM/v-deo.html

How to build and install a Beverage-on-the-ground receive antenna. Rudy Severns N6LF paper: rudys.typepad.com/files/qst-june-2016-bog.pdf Transimpedance amplifier video: ua-cam.com/video/Th-uoh5l1qE/v-deo.html Drone transmitter video: ua-cam.com/video/EGAIrhGG51Y/v-deo.html 330 Ohm Term resistor Mouser PN: www.mouser.ca/ProductDetail/Kamaya/RC1-2331KTD?qs=JZJGM%2BYuqVoeHjpZcMZM3A 90v Gas discha...

Construction and use of a unique trans-impedance amplifier for receive antennas. Short_vert PCB Gerber file: drive.google.com/file/d/1RpyCcGMPySk_ji-Fz_QhNdnkSFWqyC1O/view?usp=sharing BOL PCB Gerber file: drive.google.com/file/d/128aytSugjMJLOiimXh_gTQ4b6no0FjFX/view?usp=sharing Reflow solder video: ua-cam.com/video/i8zzNZV8AlU/v-deo.html BOG install video: ua-cam.com/video/_LkaRpsiB60/v-deo.ht...

Using the KIWI SDR radio I show what the directivity can be like using the 9 Circle RX array.

I explain how the circuit works and provide some construction tips on how to build it. This is a 75 Ohm design. A similar design for 50 Ohms could be made by changing the resistors. (but you are stuck with RG-6 F-connectors on my PCB!) Why 75 Ohms? Because RG-6 is cheaper and more readily available for outdoor installation. I have over 4,000' of RG-6 deployed in the field. Folder with Gerber an...

How to build a small RF signal source for antenna testing. I show a few construction methods and how I fly the transmitter under my drone. Folder with Gerbers and a BOM: drive.google.com/drive/folders/1oL4hrKBvi4FpVngycjl9TjnoFYfj4KTd?usp=share_link

I show how I use an electric frying pan to reflow solder paste on a PCB with SMD components. Using the thermal imaging camera I show and talk about the un-even temperature across the surface. I do some tests using sand in the pan, and show what I concluded at the end.

Why is it so hard to get the Snap-N-Seal F connector onto the RG-6? I discuss why this is often a problem and show some tricks for making it easier.

A new 9-circle combiner board PCB design is shown that integrates small SMD common mode chokes on each feedline. This eliminates the need for costly off-board chokes, and simplifies field installation. I explain why we need CMCs, describe the new PCB design and give a few construction tips. Below are the PCB files you can download if you wish to build your own board, a BOM, a schematic of the n...

A common mode choke on a Yagi feedline can get hot from RF Xmit current when shunt-feeding a tower. I explain why this happens and show how to install a relay to by-pass the choke.

I use 4nec2 to model the XM-240 Yagi to show the gain, F/B and SWR performance across the 40m band. I explain why Cushcraft tuned the Yagi the way they did, and talk about the limitations of this design. Presented are some options for improving the full band performance, and the limitations and benefits of any shortened 2 el Yagi is discussed.

How to use a noise canceller/phase box to eliminate local noise

The design, construction and operation of the VE6WZ remote station

How-to: The Magic-T, or hybrid combiner

Broadside and End-fire phasing of RX antennas

Jaguar how to: Moving through minutes, hours and days, finding parallels and making quick clips

Stopband filter design construction and testing

Get those RBN Skimmer spots into your logging program

The control setup at VE6WZ

A tour inside the VE6WZ remote shack.

Jaguar-reviewing recorded files

Jaguar-Recording files

LED RFI noise detection and fix

How to tune a 2 el Yagi or any parasitic array

How do we switch Beverage antennas in the field?

The Beverage antenna termination resistor