Questions tagged [repeater-coverage]
The repeater-coverage tag has no usage guidance.
9
questions
4
votes
3answers
2k views
How can I be sure I'm actually hitting the repeater?
I'm just starting to use 2m and 70cm bands, which normally use repeaters to extend range beyond a mile or two (limited mostly by line of sight, as I understand it).
When I'm at home, however, I'm not ...
4
votes
2answers
852 views
Beginner listening to a repeater - only hearing one station
This morning I tuned in to a repeater about 12km from me (in the UK). I could hear activity, but from only one station. I could tell that there were other stations using that repeater from the ...
1
vote
2answers
133 views
How to plot transmitter coverage area?
As an Extra class licensee, I should probably know this... I am working on a web application for repeater owners. I would like to include an estimated coverage area, provided they have entered all of ...
3
votes
1answer
718 views
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 ...
3
votes
3answers
432 views
Line of sight from geographic/map data?
I have line of sight issues with repeaters I want/need to use (it's a repeater network my club uses). One of the options that might be available to me is to install a "passive repeater" in a location ...
6
votes
3answers
4k views
Is it possible to have 2 FM transmitters on the same frequency?
Has there been any success in transmitting two simultaneous FM signals? I am assuming if the phase is correct, and the signals are identical, it would be possible.
That would be really nice if newer ...
10
votes
2answers
2k views
How to do APRS in real wilderness?
I'm a relatively new ham (licensed a couple of years ago, occasional activity on 70cm and 2m, mostly repeaters). I'm looking to extend my ham experience and am interested in digital and packet modes.
...
3
votes
2answers
572 views
70cm antenna for an apartment
I have a blind friend who can't put anything outside, and is restricted to antennas near the window in his apartment. Luckily he lives closer to the top, which helps with range a little bit. He has a ...
16
votes
2answers
20k views
How do I make a RF propagation map for a repeater?
Let's say I have a repeater. Knowing all of the information about antenna height and gain in each direction, as well as power, how can I create a map similar to this map I saw of a repeater in ...