UHF Range - LS, T2 and HPT401BT

Jim Campi

Jim Campi

Active Member
I am having a major range problem with my LS.

Moving 30 ft from the base and I receive a message that I need to connect the external UHF antenna. OK done.

Working in an unincorporated area with very low density (structural improvements), low density oaks and the occasional eucalyptus stand.

I loose my uhf connection if I turn a corner, are no longer line of sight or hit 5-700 ft.

When I purchased the unit, I could survey 3000 ft from the base without an externalantenna on my LS and certainly had many instances where I was no longer line of sight.

The correction at the ls has become loose a number of times. I tighten and it loosens up.

Also using the whip antenna with the external radio (the same antenna I have always used).

I suspect it's the base radio's whip antenna or there is something wrong with the radio.

Do you guys have any thoughts on solving the probelm? How about testing the radio/antenna. I do have higher gain antenna that I intend to try today to see if that makes a differance.

Any help will be very much appreciated.
 
S

Steve Hankins

Active Member
5PLS
Jim Campi said:
I am having a major range problem with my LS.

Moving 30 ft from the base and I receive a message that I need to connect the external UHF antenna. OK done.

Working in an unincorporated area with very low density (structural improvements), low density oaks and the occasional eucalyptus stand.

I loose my uhf connection if I turn a corner, are no longer line of sight or hit 5-700 ft.

When I purchased the unit, I could survey 3000 ft from the base without an externalantenna on my LS and certainly had many instances where I was no longer line of sight.

The correction at the ls has become loose a number of times. I tighten and it loosens up.

Also using the whip antenna with the external radio (the same antenna I have always used).

I suspect it's the base radio's whip antenna or there is something wrong with the radio.

Do you guys have any thoughts on solving the probelm? How about testing the radio/antenna. I do have higher gain antenna that I intend to try today to see if that makes a differance.

Any help will be very much appreciated.
Click to expand...
Jim:
I would suggest the antenna change first, and see what results you get. I have seen this make a profound difference.
 
Jim Campi

Jim Campi

Active Member
Precisely. Sorry what I meant to say is that if my spec analysys showed a pegged result, this could explain the problem?

Also meant to say that we test our radio off. If on, should that max the result? I checked about a week ago, with radio on and I believe the bar was at about 50% of max.
 
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