Questions tagged [2m-band]

Use this tag for questions relating specifically to the amateur radio VHF allocation around 144 MHz.

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11
votes
2answers
4k views

Is there an optimum Antenna Feedline Length for mobile installations?

I bought a ham radio antenna mounting kit for my car that includes ~16' of coax. One end has a trunk lip NMO antenna mount, the other end has a re-solderable PL-259. I asked the sales person if it is ...
6
votes
1answer
197 views

Two antennas on different sides of a building

I live in the 4th floor of a building with one side facing south and the other north. I am able to use my 2M mobile base transceiver with a mobile magnet mount antenna placed just outside the window. ...
3
votes
2answers
127 views

Is there a trick for reaching a repeater “through” terrain?

I live in a draw, well below local average ground level. There are two repeaters I want to be able to use (because they're in the network my club uses). One is in the 440 band, thirty miles away but ...
2
votes
1answer
575 views

Horizontal dipole radiation gaps

Consider the radiation pattern of a horizontal dipole mounted at a height of 1.75λ. Is it possible for a receiving station's antenna to be mounted at a certain height such that the radiation of the ...
1
vote
1answer
818 views

Using a Baofeng UV-5R V2+ as a Portable Packet Radio

So my idea is I might use a keyboard to enter text. I would use an Arduino to control the ham radio. The problem is that I have no idea on how to use the Arduino to control the radio. Also, what ...