mast. If that is the case, then I suspect that a 224 clamp kit
will not be enough for twice the weight and twice the wind loading.
I'd plan on fabricating something equivalent to double the 224 kit,
then have it galvanized at the local plating shop.
Mike WA6ILQ
At 06:17 PM 5/12/05, you wrote:
I have a DB228E that I want to mount on a 300ft tower.
The antenna is resonant at the VHF freq that we have allocated for a 2 meter repeater.
My question is...How far from the tower face should the dipoles be? I dont have the 228 mounting bracket and will have to fabricate them at a machine shop IF the standard bracket for a 224 is not the standard bracket.
Any one know the answer?
Thanks
Lloyd KD4HTW
Repeater-Builder@yahoogroups.com wrote:
- There are 25 messages in this issue.
- Topics in this digest:
- 1. Vari Notch
- From: Fraser Stuart
- 2. Re: Di-Electric Grease
- From: "n8sac"
- 3. Re: Re: Di-Electric Grease
- From: "Brett"
- 4. Need Micor 68P81014E15 manual
- From: "vesterscott"
- 5. Re: SEA ESP1000
- From: "skipp025"
- 6. Looking for Doug B from the 902 group
- From: "skipp025"
- 7. Re: Need Micor 68P81014E15 manual
- From: "Scott Zimmerman"
- 8. Dumb idea
- From: "rtoplus"
- 9. COS output doesn't track CTCSS (was Re: Re: I need to take 5 volts to 8 volts, and one have a schematic)
- From: Bob Dengler
- 10. Failing V7A display (was Re: Re: I need to take 5 volts to 8! volts, and one have a schematic)
- From: Bob Dengler
- 11. Re: Failing V7A display (was Re: Re: I need to take 5 volts to 8 volts, and one have a schematic)
- From: Dave VanHorn
- 12. RB-1 and RLS/RBS Analog Linking Board pdf files available
- From: "skipp025"
- 13. Re: Re: Caution on Bomar Crystals
- From: Bob Dengler
- 14. Re: Failing V7A display
- From: Ken Arck
- 15. Repeater Desence
- From: DCFluX
- 16. Re: Looking for Doug B from the 902 group
- From: Doug Bade
- 17. Speaking of Dayton...
- From: "Bob"
- 18. Re: Repeater Desence
- From: Kevin Custer
- 19. RE: Speaking of Dayton...
- From: "C Wayne Schuler"
- 20. audio board
- From: "dew29649"
- 21. Re: Repeater Desence
- From: DCFluX
- 22. Re: ! Caution on Bomar Crystals
- From: Kevin Custer
- 23. Re: Need Micor 68P81014E15 manual
- From: "vesterscott"
- 24. Re: Repeater Desence
- From: Kevin Custer
- 25. worth a visit before it goes away...
- From: "skipp025"
- ________________________________________________________________________
- ________________________________________________________________________
- Message: 1
- Date: Thu, 12 May 2005 12:48:48 +0100 (BST)
- From: Fraser Stuart
- Subject: Vari Notch
- Hi I am after information on constructing a Vari Notch coupling loop for 145Mhz to be placed in a cavity they claim superior notch any ideas please,
- Fraser G8FEZ
- [This message contained attachments]
- ________________________________________________________________________
- ________________________________________________________________________
- Message: 2
- Date: Thu, 12 May 2005 12:34:40 -0000
- From: "n8sac"
- Subject: Re: Di-Electric Grease
- --- In Repeater-Builder@yahoogroups.com, "Vaughan Henderson"
- wrote:
- > CRC have recently introduced "Di-Electric" grease for reducing /
- > stopping corrosion and water ingress in connectors. Anyone tried
- it
- at
- > RF? Any good? Any problems.
- >
- > Regards
- > Vaughan ZL1TGC
- Vaughan
- I have used Di-Electric Grease for years Made by Dow-Corning the
- Product Number is # 111. Have used For everything from holding "o"
- rings in place while putting gear boxes togeather , Filling Electric
- boxes to keep water out have went back years later inside of box
- looked
- like new. I worked as Serv! ice Tech . on Auto controls for Water &
- Sewer
- Plants & Distrubtion systems. in a raidus of about 400 miles of
- Huntington WV . USA for 30 years .I have also used in PL-256
- Conections
- for years in Ham Radio on all bands Some say not to use above VHF but
- I
- haven't had any problems. Is bether than getting water in conection
- as
- water will not displace this Grease. My vote is this Grease is almost
- as good as SEX if I could remimber what it was like.
- " Oldmax" Dale ( N8SAC )
- ________________________________________________________________________
- ________________________________________________________________________
- Message: 3
- Date: Thu, 12 May 2005 21:01:34 +0800
- From: "Brett"
- Subject: Re: Re: Di-Electric Grease
- Hi all.
- I to have used the dow stuff for years.
- It is "4 Compound" I believe it is the same as the goop that andrews supply
- with their hardli! ne connectors.
- Just about all the outdoor connectors that I have used over the past 30
- years has had it in the connecting faces as well as inside the body.
- I have used it in the electrical joints on my boat trailer and on my 4 wheel
- motor bike(this is where faults apear in time).
- Cheers from down under.
- Ps I am making a portable repeater on 460mhz 10/15 watts and would like not
- to use a diplexer can you advise the solution.
- Maybe a tx groundplane with a solid disk and have the rx ant hanging
- directly below ie 180 degree to each other.
- The ch spacing is 500khz.
- I would use a foil or at least a double sheilded cable for each feed.
- See ya
- ----- Original Message -----
- From: "n8sac"
- To:
- Sent: Thursday, May 12, 2005 8:34 PM
- Subject: [Repeater-Builder] Re: Di-Electric Grease
- > --- In Repeater-Builder@yahoogroups.com, "Vaughan Henderson"
- > wrote:
- >> CRC have recently introduced "Di-Electric" grease for reducing /
- >> stopping corrosion and water ingress in connectors. Anyone tried
- > it
- > at
- >> RF? Any good? Any problems.
- >>
- >> Regards
- >> Vaughan ZL1TGC
- >
- > Vaughan
- > I have used Di-Electric Grease for years Made by Dow-Corning the
- > Product Number is # 111. Have used For everything from holding "o"
- > rings in place while putting gear boxes togeather , Filling Electric
- > boxes to keep water out have went back years later inside of box
- > looked
- > like new. I worked as Service Tech . on Auto controls for Water &
- > Sewer
- > Plants & Distrubtion systems. in a raidus of about 400 miles of
- > Huntington WV . USA for 30 years .I have also used in PL-256
- > Conections
- > for years in Ham Radio on all bands Some say not to use above VHF but
- > I
- > ha! ven't had any problems. Is bether than getting water in conection
- > as
- > water will not displace this Grease. My vote is this Grease is almost
- > as good as SEX if I could remimber what it was like.
- >
- > " Oldmax" Dale ( N8SAC )
- >
- >
- >
- >
- >
- >
- >
- >
- >
- > Yahoo! Groups Links
- >
- >
- >
- >
- >
- >
- >
- ________________________________________________________________________
- ________________________________________________________________________
- Message: 4
- Date: Thu, 12 May 2005 15:34:31 -0000
- From: "vesterscott"
- Subject: Need Micor 68P81014E15 manual
- Anybody have a spare manual (or copy/PDF) of the 68P81014E15
- supplement for the extender on the Micor T53RTA1404BA Mobile? I
- already have a basic 68P81014E40 manual OTW from eBay. Thanks.
- Vester N8EKA
- ________________________________________________________________________
- ________________________________________________________________________
- Message: 5
- Date: Thu, 12 May 2005 15:37:56 -0000
- From: "skipp025"
- Subject: Re: SEA ESP1000
- You are on the right track. 20 watts is not
- really enough power. Most of the 220 acsb
- systems I saw were poorly applied and built
- from plans made by people who appear to have
- never been "in the field".
- When you get into a new technology, there is
- always strange issues to be dealt with. I had
- some Intek/Securicor technical files, which
- indicated to me they were not properly dealing
- with those issues. You can only hide so long
- behind a patch job.
- Something about customer support also comes
- into play.
- cheers,
- skipp
- ps: There is still a system or two in operation
- up here in Nor-Cal. How many ! people are on it
- is another question...
- > "Jim B." wrote:
- > I'm surprised-all of the 220 ACSB systems I've
- > seen had very poor coverage compared to 460 Mhz
- > FM rptrs at the same sites. They typically
- > had to put 100W amps on the base tx to even get
- > vaguely close. That's why most of the customers
- > left.
- >
- > --
- > Jim Barbour
- > WD8CHL
- ________________________________________________________________________
- ________________________________________________________________________
- Message: 6
- Date: Thu, 12 May 2005 15:57:28 -0000
- From: "skipp025"
- Subject: Looking for Doug B from the 902 group
- Sorry for the crazy post.
- Doug B. from the 902 group fame... I'd like to
- contact you direct, but you changed your call
- a while back and I don't have a current Email
- address.
- Please drop me an Email direct. It's Am! ateur
- Related.
- thanks much
- skipp
- skipp025 at yahoo.com
- [EMAIL PROTECTED]
- ps: if any of you have his current email, please
- feel free to fwd it along.
- thanks again...
- s.
- ________________________________________________________________________
- ________________________________________________________________________
- Message: 7
- Date: Thu, 12 May 2005 13:10:26 -0400
- From: "Scott Zimmerman"
- Subject: Re: Need Micor 68P81014E15 manual
- Vester,
- There is one in the Repeater-Builder library. The number of the one I have
- is 68P1011E95. It's a Motorola photocopy. It is for the VHF extender
- receiver and associated parts. I don't have it scanned into PDF though. I
- won't have time to scan it to PDF before Dayton either.
- If there is a volunteer, I would be willing to lend it out to be scanned and
- then make it available for the group.
- Scott
- Sc! ott Zimmerman