Window frame base mounting for BS and CS antennas

I wanted to see BS broadcasting at a certain chance, but I thought how to put on the antenna because there was no veranda in my house, and when I examined various things, I installed something like a stick in the window frame and sold a base to attach the antenna, so I decided to buy it.
first found pax-nm of masspro electric machine sold on Amazon

Maspro Electric BS / CS Antenna Window Frame Base (for 50 cm or Less) PAX-NM New price from ¥8,680 (as of 18:03 on July 17, 2018)

However, this is a pretty good price at 8,000 yen or a little, so when I checked whether there was anything else cheap, I found a similar product in Yafuoku. It is new, but it is a product that there are fine scratches, unevenness, dirt and it is cheap … I thought, but I lost to the cheap price of 2,980 yen and won the bid. If you receive it on the weekend and want to assemble it now, the pole that clamps the antenna is not properly fixed to the base, and in the cautionary note of Grugra … However, since it is troublesome to return it, I drilled a hole in the pole and bolted it again, and I was able to fix it safely. I think that I can use it with this, and when I hit it on the window frame, it is my problem that I did not measure the dimensions properly even if the base was too long and adjusted and shortened to the shortest… I decided to cut the base because it could not help it. This is the original length. If you cut about 5 cm, it seems to enter the window frame. Cut with the disc grinder that I am always indebted to. Since the part with the bolt hole was cut, the hole was drilled. After that, I scraped the part caught with a file… The tools used. I installed it safely. However, it is said that how many screws that are contained in the standard are insufficient even if assembled. The pole's fixing gravy screw is insufficient, and what kind of product. appearance. If you are troublesome to work, let's buy Amazon's PAX-NM obediently …