Jim Campi
Active Member
Gentlemen,
Several months ago, my LS suddenly experienced dramatically reduced range to my 1 watt UHF radio. Most of the survey work I do is related to an engineering project. I may topo a couple acres and prepare asbuilt drawings. All in the unincorporated county, so the typical urban conditions associated with limited visibility of the base station is not a problem. If I don't have direct line of sight to the base, then it's typically less than a few hundreds yards out.
The problem started with the base about 100 yards out when I simply turned a corner. Normally this is not a problem. I was not using the extremal UHF antenna on the LS and the 1 watt radio is utilizing the 2.5 db whip antenna mounted on a bracket at the midpoint of a seco 2 meter tripod with the T2 directly a meter above. I have always used this configuration (one tripod for both radio and base) and it's worked very well.
When I turned the corner the I went from a 100% signal to about somtheing like 50 percent. Moving another 10-20 yards out and no connection. I though it was interferrance.
Next project a day or so later and now I can barely get a signal when just a few ft from the base. I add the external UHF antenna to the LS and now I can survey more or less as usual as long as I am within a 100 yards or so of the base. If I loose line of sight, then signal can drop.
Recently I noticed that the extermal antenna jack is on the LS spins. No way to tighten, apparently without disassembly of some type. When I experienced the initial drop in performance, the jack was secure.
Any thoughts on the problem? Can I address the loose jack from the office?
Jim
Several months ago, my LS suddenly experienced dramatically reduced range to my 1 watt UHF radio. Most of the survey work I do is related to an engineering project. I may topo a couple acres and prepare asbuilt drawings. All in the unincorporated county, so the typical urban conditions associated with limited visibility of the base station is not a problem. If I don't have direct line of sight to the base, then it's typically less than a few hundreds yards out.
The problem started with the base about 100 yards out when I simply turned a corner. Normally this is not a problem. I was not using the extremal UHF antenna on the LS and the 1 watt radio is utilizing the 2.5 db whip antenna mounted on a bracket at the midpoint of a seco 2 meter tripod with the T2 directly a meter above. I have always used this configuration (one tripod for both radio and base) and it's worked very well.
When I turned the corner the I went from a 100% signal to about somtheing like 50 percent. Moving another 10-20 yards out and no connection. I though it was interferrance.
Next project a day or so later and now I can barely get a signal when just a few ft from the base. I add the external UHF antenna to the LS and now I can survey more or less as usual as long as I am within a 100 yards or so of the base. If I loose line of sight, then signal can drop.
Recently I noticed that the extermal antenna jack is on the LS spins. No way to tighten, apparently without disassembly of some type. When I experienced the initial drop in performance, the jack was secure.
Any thoughts on the problem? Can I address the loose jack from the office?
Jim