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Thursday 5 May 2016

T2LT revisited

I've been on an antenna theme recently, what with both a Slim Jim and a 2-meter dipole written about (the latter being made, the former an idea I can put to some use), and I continue with a favourite CB antenna of mine, the T2LT, the person who made the original video showing how to build this antenna, Gary 26CTX104, remade the video into a two-parter where he went into a little more detail and built another T2LT, it turns out the video was published well over a year ago and I'd not done a lot of CB at that point and was just starting out on Amateur radio, but CB is a bit of fun now and again but some good contacts can be made on 11 meters depending on the solar cycle amongst other things.

So, as you will know I already have a T2LT antenna built, and have tried it out but using only 4 watts into it (perhaps less on battery powered rigs as these radios are designed to run on 13.8V DC whereas my sealed battery is about 12 volts and a pack of AA batteries don't deliver much for long, handhelds are not counted here) though conditions were not favourable for me

So, the plan is this, get the antenna up on my fibreglass mast, inserted into a parasol base or attached to a secondary mast (no more than 1.5 meters) that will fit a parasol base (this avoids planning constraints as the antenna can be removed with relative ease), run a feeder to my "shack", plug the Grant II into it with my good SWR meter for CB in line (I have 3 CB meters and one VHF/UHF meter) and check to see how well it is tuned up, and try and make some CB QSOs (using my CT call if it is still valid which it should be), naturally I will be carrying out some other tests, I just need a volunteer to sit in the "shack" to transmit, as it's CB and anyone can use it without needing a license, for that test the CB magmount will go on my current car connected to the car adaptor of one of my handhelds, the Intek H-520 would be ideal for this as it has a large readable S-meter over the Midland Alan 42 Multi, though both have an S-meter.

So, I am keen to give this a go so Saturday will be a shopping day for some bits

73 de 26CT730

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