Amateur Radio Station VK4SN - Shack and Antenna Layout

Updated 12 November 2016

My Shack and antennas system now complete in 2015.

Top Pic: The Radios are connected to a computer with an i7 3GHz CPU, 12GB RAM, NVIDIA Geforce GTX 550 TI graphics card, Windows 7 (64 bit), with 3 monitors.

A YCCC SO2R Box allows one mic, one footswitch, one headset for the two radios. The SO2R box in conjunction with N1MM software, automatically selects the correct antennas via home made band decoder switches (Using Unified Microsystems boards) and Array Solutions Six Pak antenna switches.

The big black box on the left contains switchable stubs for each band. This box has been replaced with dedicated stubs off the 6 Pak antenna selector. Between that and another stub system on the 2nd radio, I get up to 84db of separation between radios.

I use N1MM logger for contest logging, VKCL logger, HRD DM780, WinPSK, MTTY/SSTV.

Antenna selections available are, two HF triband beams, 3 element 21MHz beam, a 5 element 10mtr beam, an 3.5/7Mhz vertical, a Hytower 1.8Mhz-28Mhz Vertical (switchable); Two Loops - one for 3.5MHz and one for 1.8MHz. Two 90 meter long beverage antennas, one for USA and one for Europe. A stack match allows me to connect any two antennas together, depending on the contest frequencies etc.

Left Pic: The 80/40mtr Vertical is in the foreground, with tower and TH6DXX and 8ele 2mtr beam on top.

My home brew Multi-Rig CW Keyer
4 Inputs - N1MM COM port keyer, CT Log LPT1 keyer, straight key, and paddle with built in iambic keyer. Keys up to 3 rigs.
John, VK4CEJ and myself securing beams in place. TH6DXX & 8 element 2mtr.
Stack match with coax filters installed. Just add antennas ;-)

My Antenna Layout