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Just some more stuff that'll probably bore you to death...

Ran across an 'add-on' to the "UI-View" APRS program that can tell you the effective range of your antenna set up. It's called "UI-Aloha". Get all the other stuff running correctly then add this thingy to the UI-View program directory. After a little time to receive stations, it does some calculating and draws a circle around you on the map. That's the 'effective range' of what you are hearing (RF, not internet). And since your transmit range is basically the same as your receiving range, it can give you a sort of 'ruff' idea of what your set up is capable of. Heavy emphasis on 'ruff'! It also depends a great deal on propagation, so sometimes it'll be unbelievably good. I have a hard time believing that I can be heard on the Texas gulf coast with an antenna maybe 15 feet high. On the other hand, though, I do hear a few APRS mobiles at that far a distance, so I guess it's possible. Who cares, it's fun to play with...
- 'Doc

(Do a search for 'UI-Aloha' and you'll find it.)

<blockquote data-quote="W5LZ" data-source="post: 110727" data-attributes="member: 129">Just some more stuff that&#039;ll probably bore you to death...Ran across an &#039;add-on&#039; to the &quot;UI-View&quot; APRS program that can tell you the effective range of your antenna set up.&nbsp; It&#039;s called &quot;UI-Aloha&quot;.&nbsp; Get all the other stuff running correctly then add this thingy to the UI-View program directory.&nbsp; After a little time to receive stations, it does some calculating and draws a circle around you on the map.&nbsp; That&#039;s the &#039;effective range&#039; of what you are hearing (RF, not internet).&nbsp; And since your transmit range is basically the same as your receiving range, it can give you a sort of &#039;ruff&#039; idea of what your set up is capable of.&nbsp; Heavy emphasis on &#039;ruff&#039;!&nbsp; It also depends a great deal on propagation, so sometimes it&#039;ll be unbelievably good.&nbsp; I have a hard time believing that I can be heard on the Texas gulf coast with an antenna maybe 15 feet high.&nbsp; On the other hand, though, I do hear a few APRS mobiles at that far a distance, so I guess it&#039;s possible.&nbsp; Who cares, it&#039;s fun to play with...&nbsp;- &#039;Doc(Do a search for &#039;UI-Aloha&#039; and you&#039;ll find it.)</blockquote>

[QUOTE="W5LZ, post: 110727, member: 129"] Just some more stuff that'll probably bore you to death... Ran across an 'add-on' to the "UI-View" APRS program that can tell you the effective range of your antenna set up. It's called "UI-Aloha". Get all the other stuff running correctly then add this thingy to the UI-View program directory. After a little time to receive stations, it does some calculating and draws a circle around you on the map. That's the 'effective range' of what you are hearing (RF, not internet). And since your transmit range is basically the same as your receiving range, it can give you a sort of 'ruff' idea of what your set up is capable of. Heavy emphasis on 'ruff'! It also depends a great deal on propagation, so sometimes it'll be unbelievably good. I have a hard time believing that I can be heard on the Texas gulf coast with an antenna maybe 15 feet high. On the other hand, though, I do hear a few APRS mobiles at that far a distance, so I guess it's possible. Who cares, it's fun to play with... - 'Doc (Do a search for 'UI-Aloha' and you'll find it.) [/QUOTE]

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