Search String: Display: Description: Sort:

Results:

References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[TowerTalk\]\s+3\s+el\s+bobtail\s+for\s+80\s+meters\s*$/: 3 ]

Total 3 documents matching your query.

1. Re: [TowerTalk] 3 el bobtail for 80 meters (score: 1)
Author: jim Jarvis <jimjarvis@optonline.net>
Date: Sat, 05 Jul 2008 07:53:58 -0400
You will need a space of about 1200 feet to build it and a method of accurately aiming it, 11.3 dBi gain, beamwidth 12.2 degrees. Jerry, K4SAV To which N2EA appended: Assuming you could efficiently m
/archives//html/Towertalk/2008-07/msg00110.html (7,979 bytes)

2. Re: [TowerTalk] 3 el bobtail for 80 meters (score: 1)
Author: "Dan Zimmerman N3OX" <n3ox@n3ox.net>
Date: Sat, 5 Jul 2008 11:33:22 -0400
Why would you have 3dB loss in your matching scheme?! Bolt a 750 watt electrical heater to a decent-Q tank coil sometime and see how long you want to hold it. Then make a parallel tank circuit with
/archives//html/Towertalk/2008-07/msg00117.html (7,474 bytes)

3. Re: [TowerTalk] 3 el bobtail for 80 meters (score: 1)
Author: K4SAV <RadioIR@charter.net>
Date: Sat, 05 Jul 2008 11:58:51 -0500
..."Assuming you could efficiently match it and deliver power to it. Figure 3dB loss in that scheme, and you'd net out with 7 or 8 dB fwd gain, and a beamwidth which won't span europe. "... Could be.
/archives//html/Towertalk/2008-07/msg00119.html (10,369 bytes)

Current List: 1 - 3
Page: [1]
This search system is powered by Namazu