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originally posted by: mysterioustranger
a reply to: MarlinGrace
Magnetic readers do not need an "antenna". Some are hard wired. I know. We have about 50 of them here...no antennas. Same size, same look, flat panels etc....Hard wired. In the case of Area 51, they too are probably wired underground to a remote point a number of feet or so away from the reader itself.
originally posted by: 19KTankCommander
I believe what you are looking at is a ground Surveillance radar, have seen these in the Military many times. I found a link that shows what you are photographing.
GSR ( Ground Surveillance Radar)
These are very sensitive units, they can pick up mice running around on the ground, very effective for what they are meant to do.
originally posted by: mysterioustranger
a reply to: MarlinGrace
Agreed. I believe the statement was they didnt "see" any antennas. That was my pointabout that.
originally posted by: MarlinGrace
a reply to: FosterVS
A few observations:
1. It is not wired to code for outside service. It's doesn't appear to have water tight fittings or a rain tight box with a lip extending past the door to keep water out, and they would have had to drill the cabinet to put bolts through into t-nuts that is used to mount the box to the unistrut that spans horizontally from what appears to be copper pipe. Again not water tight. Copper pipe mounting odd and not to code. It should have had a nema 4 box. I couldn't see if it had a handle on the right side facing the box as to make it a disconnect (Safety switch). If it was nema 4 fiberglass box then it could have been used for RFID, and had nuts cast into the back of the box so there would be no drilling.
2. Doubt it is used for RFID that usually requires a separate antenna mounted outside of a steel enclosure. My experience would be it would look like a fiberglass square about 1/2"thk. X 10" sq. mounted at an angle facing the vehicle about 6 to 7 feet off of the ground with the tag on the windshield bottom right corner driver side.
3. The thing that looks like what is called a weatherhead has an additional flange that appears to be at the wrong angle from the centerline of the mounting pipe and appears to be to bubulus . Seems more like a vent cover. The photo doesn;t have enough detail.
4. The size of the conduit suggest large power cable, or large bundle of data/communication cable.
7. Concrete pad size? Large enough for a car/truck or equipment?
originally posted by: MarlinGrace
a reply to: FosterVS
This has been an interesting post thanks very much. I look forward to additional info, and if you can, another inspection would be great if it is safe to do so. Just be careful out there.
originally posted by: 19KTankCommander
I believe what you are looking at is a ground Surveillance radar, have seen these in the Military many times. I found a link that shows what you are photographing.
GSR ( Ground Surveillance Radar)
These are very sensitive units, they can pick up mice running around on the ground, very effective for what they are meant to do.
originally posted by: gariac
I doubt the panel is anything more than an electrical switching box. In any event, as of July, not a bit of work has been done in this area. It looks exactly like I saw it last October.