在北方好多楼房没有室外阳台，居住的楼层10几层（没法架设楼顶天线）想看看有大佬能解决这个问题么

通常是直接找个GP挂窗外当然一冻就容易给你振子干QBG 建议搞好几个振子四十块也能搞下来

我是在室内用相机三脚架临时架设M哥的MA-12，天线全部窗外展开，在室内布设6条地网 SSB平时底噪基本都在S9，但每天6-9点能降低一些可以进行稳定的SSB通联 FT8基本上全天都可以，最远通过北美加州和南美阿根廷

参考某些友台方案，用铝合金或者不锈钢做一个伸缩的天线架子，使用的时候伸出去，不用的时候缩回来。

阳台鱼竿，一种是GP横架，“鱼竿”本身就是振子，用5.6米拉杆配上地网，室内接在三脚架上就可以，地网可以贴在外墙面上，可以看我之前写的；还有一种是用鱼竿把线顶出去一段距离，让线下垂数米作为振子

首先去找个电磁环境的地方，带房屋的那种，租下来，装修一下，买两部电台，起个八木塔。然后宣传一下在当地，成立个俱乐部，申请个俱乐部集体呼号，多组织活动，有人气有电台，这事就齐了。😀

这么着，窗帘拉开正对着窗[upl-image-preview url=https://storage.hamcq.cn/2024-09-19/1726764984-511769-image-1726764971582.jpg] 就是效果不尽人意

@"slchy"#p33966 天线发射方向是垂直天线的甜甜圈形状，你这样天线杆指着窗外，主辐射方向都在屋里了。下次要不要，试一下把天线杆平行窗户放

@"BI1NJK"#p33954 好家伙，从根本解决问题

@"slchy"#p33966 请问那个红色的是加感么

@"BH3FVJ"#p33842 可以试试窗外空调主机上磁吸车载天线

How do those of you who don't have outdoor balconies set up shortwave antennas?

BH3FVJ

In many apartment buildings in northern China, there are no outdoor balconies.
The building has 10 or more floors (making it impossible to install an antenna on the roof).
I was wondering if anyone could help me solve this problem.

BI1PWB

BH3FVJ You could try using a magnetic car antenna on the air conditioning unit outside the window.

BG2GFC

Typically, you would just find a general practitioner to treat you outdoors. However, if you are already cold, it is easy for your muscles to become stiff and painful. I recommend getting several sets of these devices; you can get them for around forty yuan each.

BG9CHE

I temporarily set up my brother's MA-12 on a camera tripod indoors. The antenna was fully extended outside the window, and I set up 6 ground radials inside.
The average SSB noise floor is typically around S9, but it can be reduced to a more stable level between 6 and 9 AM, allowing for reliable SSB communication.
FT8 can generally be used at any time of day, with a maximum range extending to California in North America and Argentina in South America.

BI7KHZ

BG9CHE 有图吗，求参考

BH8GG

Referencing some solutions from other companies, I plan to build a retractable antenna support using aluminum alloy or stainless steel. It will extend when in use and retract when not needed.

BG6HFD

Balcony fishing rod: one type is a GP horizontal support, where the "fishing rod" itself acts as a vibrator. It can be used with a 5.6-meter pull cord and a ground net, which can then be attached to a tripod indoors. The ground net can also be attached to the exterior wall, as I described previously. Another type uses the fishing rod to extend the line a certain distance, using the hanging length of the line as a vibrator.

BI1NJK

First, find a location with good electromagnetic conditions, such as a building, rent it, and renovate it. Then, purchase two radios and build an "eight-wood" tower. Next, promote the project locally and establish a club, applying for a club call sign. Organize various activities to attract members and provide radio equipment.😀

BH3FVJ

BI1NJK Wow, this really addresses the root of the problem.

slchy

Therefore, the curtains were open, facing the window.
The results were unsatisfactory.

Felix

slchy
The antenna's radiating direction is a donut-shaped vertical antenna, in which the antenna pole points outwards, and the main radiation direction is all inside the house.

Should I try positioning the antenna pole parallel to the window next time?

Liridice

slchy Excuse me, does that red one refer to the "plus" symbol?

BI3BGM

slchy 这不好发射出去吧，墙体里面有钢筋，有屏蔽作用吧

BH7DAO

slchy 纯粹的室内天线啊！😀

slchy

Felix In terms of operating frequency, most of the antennas are located outside, so it shouldn't have a significant impact. If they were placed in parallel, the effect might not be as good.

slchy

Liridice It is an insulator.

BH3FVJ

BI1PWB It would be great if there was air conditioning outside.😂

Felix

slchy
I took another closer look, and I saw that the telescoping antenna was retracted. I had initially thought it was fully extended.

HonTa

BH3FVJ 空调外机不在窗边是吧，我家也是，陷在楼房外墙里的LOL

BI4PMQ

I also don't have a balcony, so I chose the "Versailles" rooftop option.🤔

BH3FVJ

BI4PMQ The cow's long horn.

BI4PMQ

BH3FVJ The cable length of 10 meters to the top floor should be less than 15.

BG7NOD

BI4PMQ 小心别人给你天线剪了😜

BG8KUQ

My GP4 signal isn't transmitting properly; you can view the image on my QRZ.com page.

BH3FVJ

BG8KUQ Let me take a look.🧐

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