End-Fed Half Wave (EFHW) Antenna Modeling with MMANA-GAL
I wanted a quick & easy to install high-power multiband wire antenna for field-day and temporary operations and I’ve been hearing a lot about End-Fed Halfwave antennas lately. So I recently purchased the EFHW-8010-2K from Myantennas.com which […]
CQ WPX SSB 2020 Participation CANCELLED
The Radio Amateur Association of Western Greece – SZ1A, is in the unfortunate position announce that due to the spread of the coronavirus and in line with the guidelines set out by the Hellenic Government, […]
Make your own propagation forecast with W6EL
Written by Kostas Stamatis, SV1DPI Carl Luetzelschwab, K9LA back in 2004, wrote an article called “An Introductory Tutorial to W6ELProp – Running Your Own Propagation Predictions”. This file helped me a lot to understand how […]
Honey… I shrunk the… tower!
Remember that movie where Rick Moranis, playing as a mad scientist, accidentally shrunk his kids? Well, that’s what we did to the tower for 40meters! A short time ago we had a catastrophic failure of […]
Annual New Year’s “Pie”
On Sunday, 16th of February 2020, in the presence of many friends and members, RAAWG, had the official “cutting of the new year’s cake” ceremony. This annual “cutting of the cake” is a national tradition […]
Will the NDB “KVR” be heard again?
As 160Μ CQ WW CW begins tonight… I’m posting a few photos and nostalgic thoughts about the decommissioned high-power (KW) Non-Direction-Beacon “KVR” at Kavouri, in Vouliagmeni, Athens, Greece. In the photos, you can see the […]
TIMEWAVE ANC-4: The Miracle of phase shift active noise cancelling! (video)
Above I’ve created a video demonstrating the “miracle” of phase shift active noise cancelling with the ANC-4 from Timewave My town had just put-up new LED-based street lighting (a multi-million euro procurement and they bought […]
SKIMMERS – Receiving multiple RTTY & PSK signals
The increasing power of personal computers along with a plethora of programming platforms offer easy, fast and efficient development of radio signal analysis and processing software. Internet is a set of tools that unite all […]