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Results tagged with mobile
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user 2988
Mobile operations (car, motorcycle, boat or other vehicle)
5
votes
Rfi in truck with HF transceiver when running
There are many things you can still do. Here are a few quick suggestions to start with:
Proper antenna ground. A mag mount is marginally OK at VHF / UHF, but there isn't enough capacitance at HF. The …
- 12.2k
4
votes
How does this W6NBC "derivative of the classical slot antenna" work?
It's a good antenna for a mobile phone, it can be made a lot smaller than a quarter wave in any dimension, as long as the groundplane is a reasonable size. … Here are a few photos of IFAs and PIFAs as used on mobile phones, (scraped from patent documents so in the public domain)
A google image search turns up lots of good examples too. …
- 12.2k
2
votes
Accepted
Measuring effectiveness of vehicle bonding
The main goal of bonding the vehicle panels together is to increase the effective size of the ground plane, to improve antenna efficiency.
It also has the benfit of reducing coupling to the vehicle el …
- 12.2k