去年底购置了一台FT891在家吃灰百来天了，上个月刚配拿到B证，这几天刚买了台求精电源（找不到服务器电源说明书，放弃改造了），争取五一期间能够完成通联。在楼顶安装天线不太现实，新B想弄个鱼竿天线先在家练练，之后再考虑出去野架。初期玩个人多活跃的频段即可，某宝成都M哥、依薇特通信BG8GVJ现在都没卖了，求老B和C们推荐天线。我的房间朝南，也不知道玩鱼竿天线是不是几乎只能通联港澳、海南和国外了

端馈天线看你楼层高度可以架设20米或者 40米，斜拉到楼下树上或者其他不妨碍其他人通行的地方也可以和对面楼协商一下拉倒对面楼

@"bg2kud"#p62894 我家大概80m高，旁边建筑在百米之外，附近没有树，不太好拉。所以基本只考虑鱼竿天线

@"BI7KHZ"#p62893 FT8不至于，最简单的就是正V用单臂，另一边接地（窗框或者其他地线）

如果楼顶上的去建议在楼顶“野架”楼顶对角拉端馈天线效率比鱼竿来的直接。如果距离不够还有缩短型的端馈天线十米长度振子一般都能架设。还有ma50这种工作在单波段的全尺寸正V天线效率也是相当的高！入门首选！

可以参考一下BG8KUQ的架设方式 https://forum.hamcq.cn/d/404

弄个正V在窗户伸出去，玩个10米，15米还是可以的

@"CQ-BG8LTU"#p62916 有链接吗

@"BI7KHZ"#p62893 其实不用鱼竿也可以，我现在使用的是老鹰的HA-1850 GP天线，除了天线外再买一个磁吸地网片，我是把填写架设到阳台窗外控台空调室外机上，底座用的是磁吸可调节角度的那种，先安装地网片然后吸在空调机外壳上，在把填写用天分调节好长度，就行了，qth北京已经通联哈尔滨齐齐哈尔，长春等地，信号强度还可以。如果有米，你也可以选择彗星HFJ-350M gp拉杆天线，就是小贵一点，缺米没买无法评价。

@"bh1cqz"#p62927 HA-1850 GP 天线好用吗？

I'm a new ham radio operator (New B) and I'm interested in using FT891 for high-end residential applications. Can anyone recommend antennas?

BI7KHZ

At the end of last year, I purchased an FT891 and used it for about a month at home. Last month, I finally obtained the B license, and I just bought a QJ power supply (I couldn't find the server power supply manual, so I gave up on modifying it). I hope to complete the connection within the May Day period.

It's not practical to install an antenna on the roof. New B wants to try a fishing rod antenna first, and then consider using it outdoors later. For now, focus on active frequencies for personal use. The "Chengdu M" and "Ivette BG8GVJ" antennas sold on Taobao are no longer available, so I'm asking Old B and C for recommendations.

My room faces south, and I'm not sure if a fishing rod antenna can only connect to Hong Kong, Macau, Hainan, and overseas.

BH7HQT

BI7KHZ FT8 doesn't require that level of complexity; the simplest method for a vertical antenna is to use a single arm, with the other end grounded (to the window frame or another ground wire).

bh1cqz

BI7KHZ Actually, you don't need a fishing rod. I'm currently using the Eagle HA-1850 GP antenna. In addition to the antenna, I also bought a magnetic ground sheet. I set up the antenna on my balcony window, connected to the outdoor unit of my air conditioner, and used a magnetic, adjustable base for the stand. First, I installed the ground sheet, then attached it to the exterior of the air conditioner. Finally, I adjusted the length using the antenna's frequency settings. My QTH (base station location) in Beijing is now connected to Harbin, Qiqihar, and Changchun, among other locations. The signal strength is also good.

If you have rice, you could also consider the Comet HFJ-350M GP antenna; it's a bit more expensive, but I can't comment on its performance since I don't have one.

BA7LOG

BI7KHZ 如果可以上到楼顶，20米端馈是比较好的方案，我出租房楼顶20米端馈。

bg2kud

For directional antennas, depending on your building's height, you can install them at 20 meters or 40 meters, angling them downwards towards the ground, a tree, or any other location that doesn't obstruct pedestrian traffic.
We can also negotiate with the building across from us to resolve this.

BI7KHZ

bg2kud My home is approximately 80 meters high, and the buildings next to it are over 100 meters away. There are no trees nearby, which makes it difficult to use a long antenna. Therefore, I mainly consider using a fishing rod antenna.

BG6RCW

If you're looking for a simple solution, using a "wild-arm" antenna on the roof is more direct and efficient than using a fishing rod. If the distance isn't sufficient, you can also use shorter antennas, such as ten-meter long whips, which are generally easy to install. Also, the MA50, a full-sized V-shaped antenna that operates in a single band, offers very high efficiency! This is a great option for beginners!

CQ-BG8LTU

You can refer to the setup method used by BG8KUQ.
https://forum.hamcq.cn/d/404

BI7KHZ

CQ-BG8LTU Is there a link?

BG8AMG

You can use a drone with a visual camera and fly it up to 10 or 15 meters.

BI7KHZ

BG8AMG Is there a link?

BG5EWT

bh1cqz Is the HA-1850 GP antenna good?

NB6G

bh1cqz

The SWR performance of the HFJ-350M is poor, and this may also be due to my room's window coverings.

BI7KHZ

bh1cqz In many high-rise buildings in the South China region, air conditioning units are not located on the exterior walls but inside the wall cavities. If I were to try this method, I would also consider fixing an antenna to the balcony. However, my apartment has a recessed balcony and protruding rooms. Currently, I just want to know what type of antenna I can install in the window frame of the room.

bh1cqz

BG5EWT I tested it on Saturday, and it was okay. I set up a makeshift fishing rod outside the window, and it worked reasonably well (although not as efficient as the dipole antenna). You can also choose the M哥's 01 antenna, but changing frequencies is slightly more complicated, as you need to replace the coil. I bought both, one for use in the car and one for home. For May Day, I plan to take the 1850 zone to Wildyard to test its efficiency when set up on the ground.

BD7JIR

I am currently using a DKGP antenna with a 10-day tuning box and a 5.6-meter pull-out rod. This configuration works well for the 10-15 meter band, but it is more difficult to achieve good performance on other bands. I do not recommend using a shortened antenna.

BI7KHZ

BD7JIR The window of the room has a large pane of glass (except for a small section that can be opened). I'm wondering how to securely mount a pull-out antenna inside, as there is no place to fix it outside.

BG2EWI

The GoPole antenna can also be used by extending it out from a window.

NB6G

I don't have a balcony, so I tried installing a circular antenna on the window. However, the curtains were completely unusable; they couldn't be removed or moved. The reception and transmission quality was terrible, and I even couldn't connect to local radio stations.

bh1cqz

BI7KHZ 买个三角支架，在使用的时候探出去。不过我也见过那种在阳台玻璃上弄环形天线的，不过那种可能会衰减不少

BG8KUQ

For a clothesline mounted on a balcony or window sill, you need to consider whether it's easy to retract. A 5.6-meter pull-out rod, if left outside for an extended period, can still be dangerous in windy weather. Therefore, the ease of retraction and extension should be carefully considered each time.
If I'm the type of person who doesn't want to constantly maintain something, then I would opt for a more robust option. However, this would still require regular checks and maintenance, especially during the spring and autumn when the weather is favorable. This ensures safety. When installing it permanently, I would also consider whether my neighbors might have any objections, such as noise or visibility issues from their windows.

BI7KHZ

BG8KUQ 我只能窗户口横架，现在就是看用哪种天线，如何固定在室内（室外没地方能固定）

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