Could you not use a standard time source such as that available from the GPS satellite system, or where it can be received MSF. Fred G4SPR [snip] a the The ideal way would be to know the exact time (
Many thanks Alan for the tip , and yes it is a bit of a large quantity. I Have a reel of 22swg with about 1000 metres on and was going to use this for my Magnetometer but it is not really thick enoug
Does anyone know a cheap source of enammeled copper wire. 18 or 20 SWG? Its for a toroid I,m to wind for a Proton Magnetometer and I need in excess of 500 metres. 73 Fred G4SPR Cumbria.
Hi All Gear this end is a G3TDZ phasing receiver normally used for my caving experiments, but retuned to 136Khz. Picture of receiver (actually a ssb transceiver) can be seen in 73 Khz LF SSTV article
Andy Would be interested to know how you get on with your NOV application for 9Khz. Still have the remains of my old 2.4Khz Tx and Rx and aerials that I used to use for cave radio location work befor
Check out my web site at http://www.caving.btinternet.co.uk There is a little about cave radio beacons for radio location and depth finding. Also there is a brief explanation of a positioning system
Thanks for the warning. Fred G4SPR -- Original Message -- From: "Stewart Nelson" <[email protected]> To: <[email protected]> Sent: 10 October 2001 09:29 Subject: LF: [off topic] Don't open vi