Daiwa SWR & Power Meter LED Lighting
The OEM incandescent lamp in a Daiwa SWR & Power meter which failed is being replaced with modern LEDs.
Five Philips heads screws, 2 on each side and one at … Read more...
Electronics | Amateur radio | Nerdy Stuff
The OEM incandescent lamp in a Daiwa SWR & Power meter which failed is being replaced with modern LEDs.
Five Philips heads screws, 2 on each side and one at … Read more...
It doesn’t get any simpler than this!
This interface uses the RTS and DTR signal lines from a cheap FTDI USB Serial Adapter, and provides isolated keying for both PTT … Read more...
Adam fixes his faulty 40M Off Center Fed dipole, after being exposed to the elements for 16 years.
The enclosure was cracked, no doubt caused by the SO-239 being recessed … Read more...
A Yaesu G-800DXA rotator is being used for azimuth satellite tracking being driven from SatPC32 via a K3NG rotator controller interface.
The factory fitted trimpot is only a standard single-turn … Read more...
An Icom IC-410PRO UHF transceiver is being interfaced to a Clear-Com intercom system via a TW-47.
I/O required between the IC-410PRO via it’s 8-pin RJ45 connector and the TW-47 are:… Read more...
My 20 year old Diamond X-500 2/70 antenna stopped working earlier this year.
Not wanting to muck around, I simply ordered a new X-700 from Strictly Ham the following day.… Read more...
This simple modification replaces the standard rocker switch with an illuminated type rocker switch that is a drop-in replacement.
One annoying thing about the Weller WTCPT soldering iron is, there … Read more...
Doug, VK4OE, shows us some handy modifications to a 5/16″ combination spanner to make it more user friendly when dealing with SMA connectors in tight spaces.
This article also applies to: Yaesu FT-7800, FT-7900, FT-8100, FT-8800, and FT-8900
Having just recently acquired a pair of Yaesu FT-7800R VHF/UHF Twinband transceivers, a programming cable was now needed.… Read more...
I was recently considering the purchase of one these 2.7 GHz frequency counters, available from Jaycar and other suppliers.
Although 2.7 GHz capability is very appealing, a primary requirement was … Read more...
These things sure don’t like high SWR, as smoke came out of mine once!
I finally realised I was transmitting on 28MHz into my 50MHz yagi… Ooops!!!
Anyway… R23 crapped … Read more...
The FT-50R will drain it’s battery rather quickly, even if the transceiver is turned “off”.
This mod will reduce the “off” current drain of the transceiver.
Note: Actual layout of … Read more...
This describes how to modify a Yaesu FT-817, so that the +12V appearing on the accessory connector switches on and off with the radio.
Normally, the +12V appears on the … Read more...
Kuhne provide a PLL Lock status LED on the PLL board of their G3 transverter modules.
This LED is inside the module, which is great when the lids are off … Read more...
A look at the Icom CR-293 High Stability Oscillator option in an IC-910.
Easy to tweak, and the stability is very good.
You may not need to muck around with … Read more...