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Questions tagged [range]

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Questions related to determining and improving the transmission distance of radio communications

35 questions
Newest Active Bountied Unanswered
1 vote
1 answer
226 views

I am working on a paper that requires to measure a sort of access/exposure of each municipality to the opening of a new radio station in a West African country. I only have the following information ...
impala's user avatar
  • 13
0 votes
0 answers
100 views

I have been trying to set up a pair of lora transceivers to communicate over a long distance (~3km). However after setting them up and trying them out, the maximum range i can achieve seems to be 1....
Hristos's user avatar
  • 3
0 votes
2 answers
466 views

I'm looking for workarounds that may be well-known by the community, to extend the range of units such as Midland G7 Pro, which operates in the PMR446 band and is also limited in power by this ...
Andrestand's user avatar
  • 133
2 votes
2 answers
15k views

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 ...
HamRadio Selextion's user avatar
  • 39
0 votes
2 answers
199 views

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 ...
Gregory Chapel's user avatar
  • 1
2 votes
4 answers
1k views

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 ...
QuantumMechanic's user avatar
  • 1,099
-1 votes
1 answer
114 views

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 ...
user avatar
0 votes
3 answers
215 views

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 ...
john_ham_radio's user avatar
  • 299
1 vote
3 answers
1k views

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 ...
Casey's user avatar
  • 11
28 votes
4 answers
6k views

Like the question title says, what is a radio link budget? For what is it useful, and how do I make one?
user's user avatar
  • 4,948
1 vote
2 answers
489 views

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 ...
wei's user avatar
  • 11
8 votes
4 answers
7k views

Studying for a Pivate Pilot's Licence (PPL) and I've hit something in the study material that doesn't make sense to me. Typical of the PPL study material, it's quite shallow, so the full explanation ...
Matt's user avatar
  • 81
5 votes
2 answers
2k views

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 ...
Gabriel Fair's user avatar
  • 153
1 vote
1 answer
640 views

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 ...
Daniel L. VanDenBosch's user avatar
  • 111
2 votes
1 answer
1k views

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 ...
cr0's user avatar
  • 123

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