我这样使用有没有问题，有用过的朋友能介绍一下情况吗？谢谢了先。

我有，之前装在车前面，没用来通联，只是收听。在市区接收很差，郊区环境好的地方接收很好。装在车上比较高，经常被树枝、限高杆刮，后来拆下来放着吃灰了。

@"BI1KXE"#p101351 感谢回复，🤝

长度2.2m的加感垂直天线，这类东西不用使用过也知道效率太低太低。家里架天线真的实在实在没别的办法了，可以考虑；装在摩托车上去野架就算了吧，都到了野外了，随便架个什么天线都比它强，你不会想移动中通联吧。

@"BI1KPO"#p101394 有道理啊，一语中的。

@"BG2EFX"#p101555 谢谢回复，🤝，这爷们确实够厉害。

@"BG3TK"#p101574 他的改装件可以做到多波段复用而且他也有过成功通联的经历你的弊端不是方案而是10W的功率不过简装随行搞搞FT8 CW还是可以的这个天线我有一根6米段的用着蛮不错的~

Which friend has used the Diamond HF40CL, 7 MHz vehicle antenna? I am using a 10W handheld radio and plan to install it either on the outside of a window on the 14th floor or on a motorcycle for mobile use.

BG3TK

Is there anything wrong with using it this way? If anyone has used it before, could you please share your experience? Thank you in advance.

BI1KXE

I had one before, which I mounted in front of the car and used for listening only. It didn't work well in the city, but it worked very well in areas with good reception outside the city. Because it was mounted high on the car, it was often hit by tree branches or overhead power lines, so I eventually removed it and left it unused.

BG3TK

BI1KXE Thank you for your reply.🤝

BI1KPO

A 2.2m long vertical antenna with gain; these are notoriously inefficient, even when new. If you're really stuck using a vertical antenna at home, then perhaps consider it. But putting one on a motorcycle for off-road use is pointless – if you're already off-road, any antenna will be better than that, and you certainly won't want to move your mobile radio.

BG3TK

BI1KPO That makes perfect sense. It's exactly what I was thinking.

BG2EFX

B站看 @BH4FSK 的视频
他对钻石的HFXXCL 系列有过深入的研究及改装经验
https://space.bilibili.com/32399913?spm_id_from=333.337.search-card.all.click

BG3TK

BG2EFX Thank you for your reply.🤝These guys are truly impressive.

BG2EFX

BG3TK His modifications allow for multi-band reuse, and he has also had successful experiences with connecting multiple bands.
The problem isn't the solution itself, but rather the 10W power output. However, with a basic setup and portable operation, you can still use FT8 or CW.
I have a 6-meter section of this antenna, and it's working quite well.

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