Questions tagged [range]
Questions related to determining and improving the transmission distance of radio communications
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Theoretical solution to ham radio repeater range extension for personal use
So here's the theory,
I build a personal repeater to access a nearby repeater. In turn it sends a signal to my desired repeater (within range of my repeater)
I then build a second repeater to receive ...
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How does a band frequency is generated?
A band frequency is a range that start from a X frequency(lower one) to a Y frequency(higher one) but exactly and precisely how this is done i dont know how.i assume that the generator use a loop step ...
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How to predict radio range of a product?
I'm shopping around for a next level radio since all I have at the moment is my Baofeng.
I've been asking around on my repeater club on how to best choose a radio.
The metric I'm most concerned about ...
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Baofeng UV-5R ~ 800MHz transmission enabled
Today I got to mess around my Baofeng UV 5R 5W (as stated on back of the radio) which works perfectly fine during the past year of use. In my area, there are some private repeaters which receive on ...
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What's the realistic SSB reception range for 25W on 20m and 40m?
Because of my living situation I am using a Par EndFedz Mk II Trail Friendly antenna with my IC-7300, since it can do 40m and 20m and is only 41 feet long. However, it can only handle 25W.
Now, for ...
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Can I communicate 40 miles away with a base setup
I’m wanting to get a ham radio license and a good base station set up in my home. The reasoning is to communicate to my family approximately 40 miles away from me in case of a emergency or SHTF ...
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Cobra hand held 50wxst aftermarket antenna
I’d like to add an aftermarket antenna to my cobra HH50wxst to boost my range. My only concern is if I got a longer antenna, could it possibly throw off the SWR and damage the radio? I am totally new ...
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Increasing communication range by boosting output and input power
ORIGINAL QUESTION
I am trying to increase the range of communication between two SDRs to simulate near space communication. The output power of TX is 10dBm but I would need 37dBm for near space ...
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Understand Radio Pattern of a WIFI antenna
I have a Fortigate AP, and need to understand its radio pattern for optimal positioning.
I've already understood the E-plane and H-plane representations and also that number on the circumference of ...
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1
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Difference between antennas for Wi-Fi vs. ham repeaters
I understand that Wi-Fi transmits on 2.4 GHz or 5 GHz whereas local ham repeaters transmit around 147 MHz or 450 MHz. What differences would be needed in antennas tuning into either of these ...
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Yagi vs Parabolic Dish for 2.4GHz Campus Wifi from 1,800ft away?
My apt balcony is 1,812 feet exactly from my campus's Wifi access point behind a triple pane, brick, 4th floor building window. There is a clear line of sight. I was interested in seeing if I could ...
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Amateur Radio Long Distance Data Communication
My friends and I are going off to college ~180 miles/290 kilometres apart. As a project, we are looking into creating a data communication connection between our two schools. Our requirements would be:...
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Radio Range vs. Frequency [closed]
Let's say you have two mobile simplex transceivers running on (for example) SSB. Mobile means that the antenna height and TX power have limitations. Say if we limit the Antenna height to 2m and the TX ...
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Improving coverage of AIS receiving station
I have just set up my first AIS receiving station with compliments of Marinetraffic.com. They have supplied me with a Comar SLR350Ni receiver and a http://www.sirioantenne.it/en/products/vhf/gp-3-e ...
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What does an antenna range really mean?
When I hear that a base camp antenna has a range of 15-50 Miles does that mean it could reach a radio with a small antenna within that range, or that it would need to reach a radio with the same ...