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Realistic MTA-15 radio and FM multiparty

Edit: I didn't catch the autocorrect "multiparty" in the thread title until too late. It's supposed to be "multipath."

Hello everyone,

A little background: I live in a suburban area of Chattanooga, TN in the USA. Chattanooga is in a valley surrounded by mountains and ridges. I don't live in the main city. I'm in the area known as East Ridge, which is between two ridges, most of which may be a flood plain. I like to have a radio going most of the workday in my work from home office room with a roughly South-facing window. Most of the broadcast antennas around here are located on Lookout Mountain, with a smaller number on Signal Mountain. I recently bought the Realistic MTA-15 AM/FM table radio at a thrift store because it was cheap and I could use it in the office and save a little wear on my CCrane. This radio was designed to use the power cord for an FM antenna, but has connections for a 300ohm external antenna. The power cord didn't seem to do that great of a job, so I've used a matching transformer to hook up a set of rabbit ears.

The trouble is that I'm getting some bad reception-doubling that I was told is known as FM multipath. It did it some with the power cord antenna, and it's also doing it with the rabbit ears. I have the ears up high, fully extended, and spread open about 90deg. I was told that was the best way to set up a dipole for FM, but I've also been told that opening the spread all the way to 180deg can also help.

What makes this an issue is that none of the other radios I have do this. The CCrane sure doesn't, the cheap 5Core made in India doesn't do it, nor does the little cheap pocket transistor I got recently, and my Harman-Kardon 330C doesn't do it. In fact, this is the first time i have any memory of a radio acting like this. I've had a few in the past that didn't have good reception, and I didn't keep them around too long. The doubling of the signal makes it hard to tune well. When I get the signal, it tends to be pretty good, but sometimes one of the doubled signals works better than the other, and it may not be the same one each day.

Should I change the configuration of my rabbit ears, or get the CCrane Reflect II dipole set?

Thank you,
-William
 
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