Hello Mike; I use this preamp in the shack - at the end of the 50 ohm Heliax that feeds my RX antennas (very low loss): https://www.dxengineering.com/parts/dxe-z10046b-pm
I also match my 75 ohm RX antennas to 50 ohms using this: https://www.dxengineering.com/parts/dxe-rx75-50-xfmr The TS-590SG is an excellent radio 73 Tim K3LR -----Original Message----- From: Mike Fischer [mailto:[email protected]] Sent: Thursday, October 3, 2024 10:54 PM To: Tim Duffy Subject: Re: Topband: VE3DO loop Tim, may I trouble you with one more question? Could you recommend a low noise preamp that you would use with the VE3DO (if you would use one of course). My rig is a TS-590SG and has a dedicated rx ant port as you probably know… Thanks Mike Sent from my iPhone > On Oct 1, 2024, at 10:58, Tim Duffy <[email protected]> wrote: > > Hello Mike; > > There are a few different "receiver guards" out there. If your receiver guard > is a RG5000HD from DX Engineering, you should be OK. As a test, I have put as > much as 25 watts into the RG5000HD and it did not damage the RX front end. > > https://www.dxengineering.com/parts/dxe-rg5000hd > > 73 > Tim K3LR > > -----Original Message----- > From: Topband [mailto:[email protected]] On Behalf > Of Mike Fischer via Topband > Sent: Tuesday, October 1, 2024 12:47 PM > To: [email protected] > Subject: Topband: VE3DO loop > > Hi Tim > > Is my receiver guard enough ‘protection’ from my 160 inv L approx 60’ away > from a VE3DO loop? > > Thank you sir! > 73 > Mike, K7XH > > Hello Ed > > There is very little interaction between nearby loops. We are studying > interlaced loops that are 90 degrees to each other for four azimuth > coverage. I would keep the loops at least 25 feet away from other radiators. > Also be careful of RX overload from nearby TX. > > 73 > Tim K3LR > > Sent from my iPhone > > _________________ > Searchable Archives: http://www.contesting.com/_topband - Topband Reflector > _________________ Searchable Archives: http://www.contesting.com/_topband - Topband Reflector
