Re: Topband: DXE Active Receive antenna question

2012-02-18 Thread Rick Karlquist
D Rodman MD wrote: > the receiver and watching the S meter. To our surprise the compromise > position > for the system (160 & 80m) in terms of jumper position does not produce > the best > receive signal one can obtain. It looks more like a monoband system > rather than > a duoband. By changing

Topband: Topband list and 630 meters

2012-02-18 Thread Tree
All. It appears a decision needs to be made - whether or not to include discussions about the new 630 meter band on the Topband reflector. Initially - I didn't have a strong opinion about this - but it has become obvious that I needed to decide which direction this list was going to go - and comm

Topband: DXE Active Receive antenna question

2012-02-18 Thread D Rodman MD
I should be operating the contest, but spent some of the afternoon troubleshooting my DXE circular receive array. One thing led to another and I decided to bench test one of the receivers. We pulled out my service monitor (RF signal source) and played with the jumpers on circuit board while list

Re: Topband: A rare Boring Report

2012-02-18 Thread ZR
I suspect it will become a battle between traditional CW and the digi modes in such a small assignment. Building a transverter to go with any xcvr would likely be easier than a scratch built CW rig. Carl KM1H - Original Message - From: "Mike Waters" To: "topband" Sent: Saturday, Feb

Topband: 630 meters

2012-02-18 Thread Gregg Seidl
I wonder how some rigs would work that are supposedly "opened" up to transmit "everywhere". Wouldn't the band-pass filters not allow any RF that isn't inside the filters to get out of the rig. I have an IC-7800 and an IC-7700. I am just wondering. Gregg K9KL

Re: Topband: A rare Boring Report

2012-02-18 Thread Mike Waters
On Fri, Feb 17, 2012 at 10:14 AM, Tree wrote: > - I am personally excited about the new "630 meter" band. > So am I ! :-) I think it would be good to continue to allow discussions about it here, even though this list is really meant for 160 meters. How hard can it be to homebrew a CW transmit