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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[TowerTalk\]\s+\[Bulk\]\s+Change\s+in\s+Frequency\s+with\s+Height\s+above\s+Ground\s*$/: 4 ]

Total 4 documents matching your query.

1. Re: [TowerTalk] [Bulk] Change in Frequency with Height above Ground (score: 1)
Author: Grant Saviers <grants2@pacbell.net>
Date: Thu, 26 May 2016 20:41:38 -0700
I thought and found in several cases it was up in F with up in height until last week when an A4S being tuned to CW for FD went the other way. Perhaps the equipment hoisting the antenna (a boom lift)
/archives//html/Towertalk/2016-05/msg00548.html (8,464 bytes)

2. Re: [TowerTalk] [Bulk] Change in Frequency with Height above Ground (score: 1)
Author: "Roger (K8RI) on TT" <K8RI-on-TowerTalk@tm.net>
Date: Fri, 27 May 2016 16:10:44 -0400
I find that is another one of those, "In general", or "It all depends" <:-) I have an Aim that is sensitive enough to show feed point changes in Z due to the wind blowing trees? Antennas? Feed lines?
/archives//html/Towertalk/2016-05/msg00560.html (11,450 bytes)

3. Re: [TowerTalk] [Bulk] Change in Frequency with Height above Ground (score: 1)
Author: jimlux <jimlux@earthlink.net>
Date: Fri, 27 May 2016 13:18:24 -0700
On 5/27/16 1:10 PM, Roger (K8RI) on TT wrote: I find that is another one of those, "In general", or "It all depends" <:-) I have an Aim that is sensitive enough to show feed point changes in Z due to
/archives//html/Towertalk/2016-05/msg00561.html (10,388 bytes)

4. Re: [TowerTalk] [Bulk] Change in Frequency with Height above Ground (score: 1)
Author: Jim Brown <jim@audiosystemsgroup.com>
Date: Fri, 27 May 2016 13:48:19 -0700
Not as much as you might think. Modeling showed me that a 40M dipole at only 40 ft would be about 75 ohms over lousy ground, but closer to 50 ohms over average ground. When we hung it over lousy grou
/archives//html/Towertalk/2016-05/msg00562.html (9,579 bytes)


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