If you own an Icom radio that supports Terminal and AccessPoint features (currently, the ID-51A Plus2 or the ID-4100A), the following may be of interest to you.
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This is taken from the CARF (now known as RAC) Repeater Directory from 1990. You will notice tones were not in use back then.
The following link will give the full Canadian Listings.
My thanks to VE3IPS for supplying the information.
Many compromise antennas are the 6 to 12 foot variety. The Buddistick, SuperAntenna MP1, Pac-12, and a Chameleon (it has various variants) all offer a short antenna with multi band capability.
The key to these antennas is to have an elevated counterpoise. I have done several Field Strength Readings in the field and in a controlled location to try to understand if there is any directionality to its placement.
YES I have found that there is!
Point it towards the station you are trying to work. There is noticeable improvement in the transmit signal that it would be worth the effort to locate the counterpoise accordingly.
I dont think I am seeing much in the way of reception of signals.
A gain of 3 db is the equivalent of doubling or reducing by half your power.
PLEASE NOTE THE COUNTERPOISE WILL WORK A WHOLE LOT BETTER IF IT IS ELEVATED…
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(This a a bit of a long read, but it opens up a lot of questions where this hobby is going these days. Comments are open on this – what’s your opinion?)
A Pioneering Background
I was musing recently on the wonderful history of Amateur Radio, from the early pioneers with spark transmitters and the race to get the first signals across the Atlantic, up to the Microwave enthusiasts who developed the way forward for space communications and satellite technology (and, whisper this, mobile phone technology!) Continue reading
Radio amateurs around the world will celebrate Saint Patrick’s Day on the air during the St Patrick Award activity. The St Patrick Award activity will get under way at 1200 UTC on March 16 and continue until 1200 UTC on March 18. (St Patrick’s Day is March 17.) Continue reading
You can wait forever to have the Yaesu engineers design a replacement radio for the FT-817**. It turns out they were too busy working on the brilliant FT-891 radio that has become my replacement for the FT-817 (I am still keeping my 15 year old radio). Yaesu sold a ton of 817s, 857s, and 897s to many hams that used it for mobile and qrp activity.
Why the 891 you ask?
At $600 USD its a steal. The new DSP chips make it a wonder to behold and fix all the DSP issues the previous models had. Add in the speech compressor, scope watch and a sensitive receiver at that price and there is no question why they were sold out by christmas time pending another production run. Thanks to my friends at HRO in finding me a radio in time for my 6Y5 dxpedition.
Sure there is no built…
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The Commonwealth Contest (10-11 March 2018) (where ‘CQ Beru’ is used to solicit QSOs) is a great opportunity for G stations to work Commonwealth DX stations. Continue reading
Please not the band plan guidelines for digital hotspots as there has been interference issues of late.
The following frequencies are being used in Canada and US for DV Simplex (Hotspots).
2 m 145.670 MHz
2 m 145.750 MHz
2 m 145.790 MHz
70 cm 433.300 MHz
70 cm 434.400 MHz
70 cm 445.800 MHz
70 cm 446.500 MHz
The suggested Canada bandplan has designated these frequencies for Digital use:
2 m 144.300 – 144.500
144.900 – 145.100 (Packet 144.970-145.090)
145.590 – 145.790
147.435 – 147.585 (Simplex)
70 cm 433.000 – 434.800
445.800 – 445.975
446.500 – 446.975