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Total 272 documents matching your query.

141. Re: [TowerTalk] Antenna Manufacturer I.D. ? (score: 1)
Author: Jim <jimw7ry@gmail.com>
Date: Sun, 18 Nov 2018 07:14:05 -0600
Cushcraft only made the 4-pole antenna. And I think they still do. They MAY be Telewave, but I think they only made/make fiberglass antennas. Thanks 73 Jim W7RY 73, Roger On 11/17/2018 5:35 PM, K4IDC
/archives//html/Towertalk/2018-11/msg00185.html (9,720 bytes)

142. Re: [TowerTalk] Antenna Manufacturer I.D. ? (score: 1)
Author: Jim <jimw7ry@gmail.com>
Date: Sun, 18 Nov 2018 07:14:41 -0600
Agreed! Thanks 73 Jim W7RY Chuck W6RD 73, Roger On 11/17/2018 5:35 PM, K4IDC@comcast.net wrote: Hello to the group. I have one each VHF & UHF vertical omni array as shown in the photos in the link be
/archives//html/Towertalk/2018-11/msg00186.html (10,454 bytes)

143. Re: [TowerTalk] Open heliax connector (score: 1)
Author: Jim <jimw7ry@gmail.com>
Date: Sun, 18 Nov 2018 20:29:45 -0600
Agreed Jeff! Get the part number off of the connector. Download the correct install sheet. Thanks 73 Jim W7RY On 11/18/2018 8:25 PM, Jeff DePolo wrote: You'd have to screw up REALLY badly to have an
/archives//html/Towertalk/2018-11/msg00192.html (9,503 bytes)

144. Re: [TowerTalk] Stripping rg142 (score: 1)
Author: Jim <jimw7ry@gmail.com>
Date: Sat, 24 Nov 2018 22:34:02 -0600
Pretty difficult to strip Teflon cable with a thermo knife? Thanks 73 Jim W7RY If you have a multiblade coax stripper, that's the best way, after you burn through a foot or three of scrap getting the
/archives//html/Towertalk/2018-11/msg00254.html (9,504 bytes)

145. Re: [TowerTalk] Stripping rg142 (score: 1)
Author: Jim W7RY <jimw7ry@gmail.com>
Date: Sun, 25 Nov 2018 09:41:44 -0600
Yup. Burning teflon produces phosgine gas. Which is pretty toxic I hear? Jim w7ry Sent from my wireless communicator _______________________________________________ __________________________________
/archives//html/Towertalk/2018-11/msg00256.html (8,424 bytes)

146. Re: [TowerTalk] 123eWireless 1/2" Flexible cable (LDF4-50 like) (score: 1)
Author: Jim <jimw7ry@gmail.com>
Date: Sun, 25 Nov 2018 20:11:46 -0600
It's air dialectic. So pressurize or use indoors only. It's also plenum rated. So use indoors or put in conduit and pressurize. From this, doesn't look like they make pressurized connectors. Andrew c
/archives//html/Towertalk/2018-11/msg00264.html (10,286 bytes)

147. Re: [TowerTalk] FT8 Upgrade (score: 1)
Author: Jim <jimw7ry@gmail.com>
Date: Wed, 28 Nov 2018 21:15:41 -0600
Is every list on ham radio now about FT8? I just left a list because of that! Make is STOP! Thanks 73 Jim W7RY Users of FT8 should be aware that K1JT's WSJT-X development team has been busy with vers
/archives//html/Towertalk/2018-11/msg00273.html (9,751 bytes)

148. Re: [TowerTalk] FT8 Upgrade (score: 1)
Author: Jim <jimw7ry@gmail.com>
Date: Wed, 28 Nov 2018 21:57:18 -0600
This is TOWER talk! Not FT8 talk. Why would you post it in the first place? Thanks 73 Jim W7RY 73, Jim K9YC I just left a list because of that! Make is STOP! Thanks 73 Jim W7RY On 11/28/2018 2:23 PM,
/archives//html/Towertalk/2018-11/msg00275.html (8,527 bytes)

149. Re: [TowerTalk] Ham Antenna Rotator: The Teardown (score: 1)
Author: Jim <jimw7ry@gmail.com>
Date: Fri, 7 Dec 2018 10:49:30 -0600
A cookie sheet is much more practical for this. Rather than a high sided bucket. Thanks 73 Jim W7RY Hint to those who have never taken one of these rotators apart. After you remove the bolts/screws h
/archives//html/Towertalk/2018-12/msg00142.html (10,082 bytes)

150. Re: [TowerTalk] SB220 changing SWR in bypass (score: 1)
Author: Jim <jimw7ry@gmail.com>
Date: Wed, 26 Dec 2018 11:09:21 -0600
Intermittent dirty relay? Lightning or static damaged the T/R relay? Is there a cap to ground (30-40 pF) that has shorted or changed value. The cap is used to cancel out the inductive reactance in th
/archives//html/Towertalk/2018-12/msg00252.html (7,951 bytes)

151. Re: [TowerTalk] Ropes in trees (score: 1)
Author: Jim W7RY <jimw7ry@gmail.com>
Date: Wed, 26 Dec 2018 18:55:28 -0600
A tree climber can put screw eyes and good pulleys into trunks and limbs.. Lasts much longer than ropes over limbs. 73 Jim W7RY _______________________________________________ _______________________
/archives//html/Towertalk/2018-12/msg00258.html (10,144 bytes)

152. [TowerTalk] Kindorf and Unistrut (score: 1)
Author: Jim <jimw7ry@gmail.com>
Date: Fri, 4 Jan 2019 11:58:29 -0600
Best stuff ever made! I use if for mounting boxes on the tower, dipole standoff arms, side mounting small fiberglass UHF, VHF and TV antennas. https://www.unistrut.us/resources/literature https://www
/archives//html/Towertalk/2019-01/msg00024.html (13,607 bytes)

153. [TowerTalk] WAAAAAYYYYY TOO MUCH POWER!! (score: 1)
Author: Jim <jimw7ry@gmail.com>
Date: Fri, 4 Jan 2019 12:16:42 -0600
See what happens when you run WAY TOO MUCH power in Seattle? https://www.thebdr.net/articles/haps.html#11/8/18 11/8/18- Stations at Seattle's Tiger Mountain site were sending smoke signals About 3 pa
/archives//html/Towertalk/2019-01/msg00025.html (6,988 bytes)

154. Re: [TowerTalk] Kindorf and Unistrut (score: 1)
Author: Jim <jimw7ry@gmail.com>
Date: Fri, 4 Jan 2019 12:26:27 -0600
Agreed! And Kindorf and Unistrut also comes in Stainless... Get out your $$ though. Thanks 73 Jim W7RY On 1/4/2019 12:23 PM, jimlux wrote: On 1/4/19 9:58 AM, Jim wrote: Best stuff ever made! I use if
/archives//html/Towertalk/2019-01/msg00027.html (10,965 bytes)

155. Re: [TowerTalk] Help needed on new beam (score: 1)
Author: Jim <jimw7ry@gmail.com>
Date: Mon, 7 Jan 2019 22:43:48 -0600
I attempted to rebuild a KT34 XA with the new kit supplied by M2.  The kit was older, but new in the box. I never could get it to work or the SWR to be halfway reasonable. I sold it as parts/not work
/archives//html/Towertalk/2019-01/msg00047.html (8,989 bytes)

156. Re: [TowerTalk] Help needed on new beam (score: 1)
Author: Jim <jimw7ry@gmail.com>
Date: Mon, 7 Jan 2019 22:46:12 -0600
If traps were as lossy and you think, why don't they just smoke and burn up when on RTTY at 1500 watts? Get your calculator out, and if they really are that lossy, would they would catch fire dissipa
/archives//html/Towertalk/2019-01/msg00048.html (9,513 bytes)

157. Re: [TowerTalk] Help needed on new beam (score: 1)
Author: Jim <jimw7ry@gmail.com>
Date: Tue, 8 Jan 2019 09:08:47 -0600
I ran 1500 watts to a TH7 in southwest Washington for 15 years in RTTY contests. It finally blew up after 15 years. Most likely water or bugs in the 15 meter trap. Took it down and moved to Missouri
/archives//html/Towertalk/2019-01/msg00050.html (9,819 bytes)

158. Re: [TowerTalk] Skyhawks on TIC Rings? (score: 1)
Author: Jim <jimw7ry@gmail.com>
Date: Wed, 9 Jan 2019 21:07:46 -0600
Agreed Jeff! And VERY well said Tony! Thanks 73 Jim W7RY 73/jeff/ac0c alpha-charlie-zero-charlie www.ac0c.com On 09-Jan-19 8:54 PM, Tony Brock-Fisher via TowerTalk wrote: When working, the KT36-XA is
/archives//html/Towertalk/2019-01/msg00067.html (11,708 bytes)

159. Re: [TowerTalk] Slightly off-topic (score: 1)
Author: Jim <jimw7ry@gmail.com>
Date: Fri, 8 Feb 2019 11:12:14 -0600
Simple. Inductive coupling between the brake transformer in the rotor control box (which is pretty large) and a transformer in the filter. It can also be a ground loop, but most likely as above. Than
/archives//html/Towertalk/2019-02/msg00021.html (8,941 bytes)

160. Re: [TowerTalk] 45G leg bolt help (score: 1)
Author: Jim <jimw7ry@gmail.com>
Date: Fri, 8 Feb 2019 13:04:36 -0600
I've never seen a "staked" nut for R25 through R65 tower bolts in my 45+ years of putting them up. Something the "new Rohn" is doing? Probably not going to find them locally but perhaps. Just looked
/archives//html/Towertalk/2019-02/msg00027.html (9,336 bytes)


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