Even if it is mostly used by ham radio operators to solve problems while transmitting the mfj 931 should also work for a receive only purpose.
Ham attic antenna.
Yaesu g 450adc medium duty rotator systems are the entry level rotator and controller that are perfect for small hf beams a tri bander or vhf and uhf antennas up to about 10 sq.
Height length feedline balun and we will talk about a balun later insulators type wire used or type metal used what do you want to do with this antenna how many bands do you want it to perform its work if you can use the right materials space to hang one and the biggest.
Remote rf switch control box in the shack chooses which antenna is operational in the attic.
In the case of the ladder line dipole just make it as long as possible and stuff it into your attic any way you can.
On vhf a beam antenna can work well in the attic even a rotator can be used.
Planning an antenna project can lead to many different thoughts and you should always consider the following.
Ladder line fed dipoles are ideal for attic use assuming that you can route the ladder line to your radio without too much metal contact.
A lot of hams are struggling in an hoa with antennas o.
If the top of the antenna touches the walls or roof the performance may be affected slightly.
Again stay away from metal and wires to maintain your pattern.
Once all the yagis were bolted in place on the mast i used my antenna analyzer to adjust their driven elements to provide the best match in the weak signal portions of each band.
I went to my friends house to check out his setup and get him up and running on some hf digital modes.
The kb9vbr 2 meter j pole antenna is 69 inches tall overall.
A lesser wind load of about 5 sq.
Of tower mounted wind load.
The ge 20431 futura outdoor indoor attic tv antenna is one of the best looking options on the market.
The mfj 931 could potentially be used a tuned counterpoise for your attic shortwave antenna.
It is theoretically possible to create a fire in the attic from your ham radio antenna but the conditions required for that to work require purpose and luck making this not a realistic concern for the typical attic farmer.
The only concern with attic mounted antennas is the space available to you for mounting.
Rotate amateur and professional antennas.
Falling through the roof is a much more likely scenario.
Let your antenna tuner worry about getting the best swr out of this system.
Can be handled when mounting the g 450adc on top of a mast with the optional lower mast bracket gc 038.
