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CQ WW Rule Changes

CQ Announce changes to rules for 2017 CQ WW SSB and CW Contest

Morgain 40 80

Antennas/Morgain
A multiband no traps antenna that can work on 40 and 80 meters band. Total lenght of this wire antenna is 20 meters, that make this antenna suitable for restricted lots or backyards. Article in Italian with some interesting pictures taken.

Five Antennas Switch Box

Technical Reference/Antenna Switch
A project of a 5 Antennas Relay Switch Box, all Switches & Relays have both contacts wired in parallel to improve reliability of operation, to prevent static build up, when an antenna is not in use the feeder coax is grounded.

Top Amateur Radio links of the week Issue 1729

Shortened EFHW Antenna 80-10m, How Common Mode Chokes Work, Multiband trapped end fed antenna, RF Safety at Field Day, WSJT-X, Yaesu Mark V FT 1000 MP, Adventure Radio Society

Top Amateur Radio links of the week Issue 1728

Chocking the End-Fed Antenna, Building and Using an Experimental Beverage, Building the Moxon Antenna, DX Maps, Morse Code Beacon Keyer, UHF Connector, The WB0RIO 28 Mhz Arduino Beacon, CQ World Wide VHF Contest, RI0C DX Pedition Iony Isl.

DC Distribution Box Project

Technical Reference/Power Supply
DC Distribution Box with Reverse Voltage, Over Voltage and Transient Protection, A multi-way DC distribution board. Standardised connections to protect against accidental reverse connections. Diode protection, incorporating a transient suppressor. An over-voltage crowbar circuit. Option to add a digital volt meter display

Morgain 80-160

Antennas/Morgain
A dual band antenna designed to work on low bands and in this article on 80 and 160 meters band. Total lenght of this folded dipole is 37,60 meters. Includes some details for fine tuning on 160 meters. Article in italia

Top Amateur Radio links of the week Issue 1727

Band Conditions, An HF Mobile Antenna, HF Band QRM/QRN Noise Canceller, Carmobeam, A simple DIY Desk Microphone, Colour TFT display with Touch controlled VFO BFO, Outdoor HF Antenna Switch, FT8900 Handsfree , Radio Frequency - ICOM R8500, Barron County Amateur Radio Association,

Morgain Antenna, the old lady

Antennas/Morgain
An introduction to history of Morgain Antenna, since the early origins in Virginia, to the current home made projects and design available on the net. Article in Italian

Kenwood TM-D710 resources

Links to Kenwood TM-D710 modifications and resources. Software, tips and manuals for TM-D710A TM-D710E.

Antenna Masts and Mounts

Collection of links to Dealers and manufacturers of telescopic antenna masts, pole and antenna mounts. Masts, expecially designed to support antenna for portable, emergency or field day use.

Morgain 40-80 by IM0JZJ

Antennas/Morgain
This folded dipole, can be even built for 10 and 20 meters band, and can also give good results on 15 meters, with the sole lenght of ust 20 meter of total lenght. Originally born to work on 40 meters, can be adapted for any band.

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