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Total 11 documents matching your query.

1. [TowerTalk] Elevated Radials (score: 1)
Author: W8JI@aol.com (W8JI@aol.com)
Date: Wed, 1 Jul 1998 11:43:38 EDT
I used six feet on 80 meters. << 2. Should the radials resonant for the desired frequency or is that not necessary?<< The radials should be resonant. I resonated my radials by tuning them as a dipole
/archives//html/Towertalk/1998-07/msg00026.html (12,354 bytes)

2. [TowerTalk] 4 SQUARE ORIENTATION (score: 1)
Author: W8JI@aol.com (W8JI@aol.com)
Date: Wed, 1 Jul 1998 15:01:58 EDT
<< My own experience with my 80 meter 4 square would indicate that the major lobes in the forward direction on the 4 square are really pretty broad. In reality, there does not seem to be much of a "n
/archives//html/Towertalk/1998-07/msg00038.html (9,069 bytes)

3. [TowerTalk] Lossy coax (score: 1)
Author: W8JI@aol.com (W8JI@aol.com)
Date: Thu, 2 Jul 1998 12:26:14 EDT
<< Following Autek's instructions, I tuned for minimum Z. At 28 Mhz, according to their formula, my loss was 1.3 db and at 7 Mhz it was 0.7 db! I used the formula 0.17 x Z = loss in db (for 50 ohm co
/archives//html/Towertalk/1998-07/msg00088.html (8,221 bytes)

4. [TowerTalk] Elevated Radials (score: 1)
Author: W8JI@aol.com (W8JI@aol.com)
Date: Thu, 2 Jul 1998 12:47:21 EDT
Hi Ed, Strong words! measure reflected power, keeping the meter near full scale for both page 4-10<< My statement is absolutely correct. The Bird meter, as do ALL directional coupler meters, reads co
/archives//html/Towertalk/1998-07/msg00092.html (9,298 bytes)

5. [TowerTalk] Guy Anchor Pullout Strength (score: 1)
Author: W8JI@aol.com (W8JI@aol.com)
Date: Fri, 3 Jul 1998 09:58:20 EDT
<< W1EVT told me he decided to install insulators in one of his 140 ft Rohn 25 towers to make a 160M elevated GP. They had to loosen the upper guys to where they were almost hanging along the tower b
/archives//html/Towertalk/1998-07/msg00117.html (8,778 bytes)

6. [TowerTalk] Fwd: Advice on coax & power lines in same underground ditch. (score: 1)
Author: W8JI@aol.com (W8JI@aol.com)
Date: Sat, 4 Jul 1998 11:33:01 EDT
<< Good Day This coming week I have the opportunity to install my coax conduit in the same ditch with the power feed comings to my house. The ditch will come within 10' of my tower. The question, how
/archives//html/Towertalk/1998-07/msg00152.html (8,302 bytes)

7. [TowerTalk] Element loading methods (score: 1)
Author: W8JI@aol.com (W8JI@aol.com)
Date: Sat, 4 Jul 1998 18:39:59 EDT
wa3gin@erols.com 550 5.7.1 Internet postings via this server not permitted: towertalk@contesting.com Hi Dave, MCI is still not working after days of trouble with e-mail!! This is a AOL repost,which a
/archives//html/Towertalk/1998-07/msg00159.html (9,129 bytes)

8. [TowerTalk] Re: resonance (score: 1)
Author: W8JI@aol.com (W8JI@aol.com)
Date: Mon, 6 Jul 1998 14:10:12 EDT
<< In a case like the beam, where the resistive impedance may be in the 20-30 ohms range, and the required capacitive reactance for a beta match may be also in the 20 to 30 ohms range, the SWR will b
/archives//html/Towertalk/1998-07/msg00211.html (9,502 bytes)

9. [TowerTalk] Re: resonance (score: 1)
Author: W8JI@aol.com (W8JI@aol.com)
Date: Tue, 7 Jul 1998 13:23:14 EDT
<< > Pete; A low point SWR does not indicate the resonance frequency of an antenna. From what you describe, I'd bet on RF on the outside of the feedline. I'd bet Pete has a 50 ohm bridge measuring a
/archives//html/Towertalk/1998-07/msg00235.html (8,597 bytes)

10. [TowerTalk] Re: resonance (score: 1)
Author: W8JI@aol.com (W8JI@aol.com)
Date: Tue, 7 Jul 1998 18:05:24 EDT
Hi Eric, << While its true that the instrument is probably not sensitive to common mode current, a lot depends on lead dress in a situation like this. Even if the line is quite long, if it is not dec
/archives//html/Towertalk/1998-07/msg00240.html (10,653 bytes)

11. [TowerTalk] Re: Resonance & Measuring Devices (score: 1)
Author: W8JI@aol.com (W8JI@aol.com)
Date: Wed, 8 Jul 1998 09:31:21 EDT
<< I may kibbitz ... I intend to run 75 ohm catv cable from the foundation of the house to the tower base and up to near tower-top. The cable will terminate at an Ameritron remote switch at the tower
/archives//html/Towertalk/1998-07/msg00248.html (9,052 bytes)


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