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Originally Posted by Agraz
Hello J_Player: I not use much the AL718, but something not work in G.G.707 the ferrite rod when come here from CA, read:
http://www.geotech1.com/forums/showt...urate+locators
Next in 2002 I went to old hacienda:inmigrants from Ireland, Jorge B. son of Thomas Braniff, rich man about 1900 in Mexico.
I went to the area:
and there I receive fantastic null, in a deep hole in a river, I triangulate the null,,, the other thing, later the amplifier generate more strong sound in amplifier:
when I discover broken the ferrite rod I send to Accurate L. for repair, next I receive the G.G. with new ferrite rod:
but G.G. not receive that null in a deep hole,,,Now this old man -1926 say: the last people in hacienda put around in the deep hole very large amount of metal for strengthen the hole.
What is the reason G.G. boost signals when rod was broken?
also the Al718 not receiver null from deep river.
I think when G.G. broken work to more freq. may be 50-100 khz and detect big metal objets underground. What is you opinion |
Hi Agraz,
The Gold Gun is a VLF radio receiver. When the ferrite rod is broken then it will work the same as when it is not broken if the broken pieces are not separated. If the ferrite rod is separated, then you will see some change in the tuning of the receiver. Maybe when the ferrite rod was replaced, the tuning was changed so you no longer find the same signal as you found before.
The Gold Gun cannot find a signal unless it is tuned to a working VLF radio transmitter. The transmitter that the Gold Gun was tuned to has been shut down. You must now tune it to another VLF transmitter that is not shut down if you want to receive a signal. The strongest VLF transmitters near Mexico are run by the US Navy at US Navy station in Cutler, Maine (NAA 24.0 KHz - 1800 KW power), and a US Navy station in Costa Rica (NAU 40.75 KHz - 1000 KW power). Lower frequency is better for ground penetration. If you can get a good signal from the 24 KHz station, it will give a deeper ground penetration than the 40.75 KHz station, but both of these frequencies should work ok.
You can tune the Gold Gun to a new frequency if you replace the capacitors connected to the frequency switch with an adjustable capacitor. You will find the best signal when you are tuned to a strong VLF transmitter. You may be able to find a smaller transmitter close to where you live that gives a strong signal. If not, then maybe you will find the best signals from the US Navy transmitters.
Best wishes,
J_P