RE: [Repeater-Builder] Re: Hamtronics Helical Resonator Preamp orAdvanced Research Preamp

2009-02-05 Thread Eric Lemmon
Rick, You made some very good points. I can offer two comments: For hookups within the repeater cabinet, use RG-400/U coax instead of RG-142/U. RG-400 has a stranded center conductor, while RG-142 has a solid steel center conductor that breaks easily when repeatedly flexed. Regarding the

Re: [Repeater-Builder] Re: Hamtronics Helical Resonator Preamp orAdvanced Research Preamp

2009-02-05 Thread Rick Beatty
Hi Eric and the Group -- Thanks for your comments and yes, Rg-400u is a good substitute as well. I completely forgot about that one -- old age I guess LOL! 73 - Rick NU7Z On Thu, Feb 5, 2009 at 11:05 AM, Eric Lemmon wb6...@verizon.net wrote: Rick, You made some very good points. I can

[Repeater-Builder] Re: Hamtronics Helical Resonator Preamp orAdvanced Research Preamp

2009-02-05 Thread Bob Ricci
Thank you all for some excellent advice for a first-time repeater builder. I have decided to move the antenna to the other side of the house and push it up 60 feet. My home sits about ~15 feet below the road, so this will give me a net gain of ~45 feet. I'll feed it with hard line and do it

[Repeater-Builder] Re: Hamtronics Helical Resonator Preamp orAdvanced Research Preamp

2009-02-05 Thread motarolla_doctor
Very good, excellent points Eric. I might add that the receiver in this application has a very broad frontend. You NEED a receiver preselector for best performance. Eric Lemmon ... wrote: Rick, You made some very good points. I can offer two comments: For hookups within the repeater

[Repeater-Builder] Re: Hamtronics Helical Resonator Preamp orAdvanced Research Preamp

2009-02-05 Thread Bob Ricci
...the receiver in this application has a very broad frontend... Not quite. The radio is software tuned and aligned for the actual frequency range in service. It is *capable* of the broad range of 134- 174. That is not to say that a preselector won't help an already excellent receiver, but a

Re: [Repeater-Builder] Re: Hamtronics Helical Resonator Preamp orAdvanced Research Preamp

2009-02-05 Thread JOHN MACKEY
@yahoogroups.com Subject: [Repeater-Builder] Re: Hamtronics Helical Resonator Preamp orAdvanced Research Preamp ...the receiver in this application has a very broad frontend... Not quite. The radio is software tuned and aligned for the actual frequency range in service. It is *capable* of the broad

Re: [Repeater-Builder] Re: Hamtronics Helical Resonator Preamp orAdvanced Research Preamp

2009-02-05 Thread Chuck Kelsey
: Thursday, February 05, 2009 5:04 PM Subject: [Repeater-Builder] Re: Hamtronics Helical Resonator Preamp orAdvanced Research Preamp Thank you all for some excellent advice for a first-time repeater builder. I have decided to move the antenna to the other side of the house and push it up 60 feet

[Repeater-Builder] Re: Hamtronics Helical Resonator Preamp orAdvanced Research Preamp

2009-02-05 Thread Bob Ricci
WB2EDV - Original Message - From: Bob Ricci b...@... To: Repeater-Builder@yahoogroups.com Sent: Thursday, February 05, 2009 5:04 PM Subject: [Repeater-Builder] Re: Hamtronics Helical Resonator Preamp orAdvanced Research Preamp Thank you all for some excellent advice