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Regarding Yahoo Groups to groups.io migration.
?W0VFW yahoo groups is done. But the group will remain- unused. If there is anything you want since we? have been using it since 2012. Go get it according to this time schedule. This is cut and paste from Yahoo:
Beginning October 28, 2019:
Beginning December 14, 2019:
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Fw: [ham-antennas] Special notice about the move to groups.io
Don - We just moved too. cc:ing our group about yours for their FYI. groups.io raised their transfer service from $110 to $220 because Yahoo is shutting down. WE did not feel it was worth it and our old emails will die a natural death. We did move pictures and files manually but we're a small group, under 40 hams. But have a complete KW HF station and 2 repeaters. de Larry W8LM VFW Post 3115 Amateur Radio Club, W?VFW, Wichita, KANSAS ---------------------------------------------------------------------------------------------------
?
I'm sending this out as a special notice to reach those who have set their email preferences to NOMAIL here but still allow for special notices. I've sent out a lot of invitations to members here to join the new group, but unfortunately, we're not going to be able to reach everyone. I downloaded a members list using a special tool that lets me get past the usual Yahoo 1,000 member list limit download. However, the list I retrieved will have some missing members, some of which Yahoo just didn't insert in the download for some reason, and others who have their email addresses hidden to the system. After December 14, Yahoo will no longer host the message archive for any group. We're seeing if we can find a way to move the old messages to the new group, but we're also trying to get everyone on board to join the new group. Not having all of the email addresses available means we can't reach everyone, even with this special notice, though some who have their settings set to NOMAIL do allow for special notices, so we're hoping to get to almost everyone. I have about 300 more to invite, not including those members whose email addresses aren't on the list I have. Those I have should get invitations in the next few days if they haven't already For those whose addresses we don't have, we don't want to leave them behind, but we don't have a way of sending them an invitation to the new group because we don't know where to send it. Members can do one of three things if they don't get an invitation: 1. Join the manual way. It's not hard. Go here and click the button that says join this group: /g/Ham-antennas 2. Send a blank email (no subject and no message) to this email address: [email protected] You should receive an email to confirm your subscription. 3. Send you or me an email so we will manually send them a personal invitation to their email address. You can email me at my call sign at QSL dot net (it's not case-sensitive) if you need help or want an invitation sent from the new group to make it easier to join the new group. If you have any questions, please direct them to me and I will try to help. Donald AD8DY ? ? Unsubscribe ?
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Correction - Go box batteries
8 of the 38120 batteries is $84, not $44.. 4 is ample to run a QRP rig.. |
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Go box Batteries.
Since my visit to McConnell AFB, I have been researching Li-ion Batteries. Those 3.7V batteries that sometimes blow up. I have found out that it's because they are not "protected" like in Cheap Vaping devices or "Hover Boards". They require inexpensive conditioning and equalizing electronics if you are going to place them in series. But here is the deal. 3.7V Li-ion you need 3 or 4 in series. 3 gets you? 11.1 volts - you can run a rig on that, but not full output, or 4 cells in series gets you 14.8.. some hams use 4 and undercharge them about 70% capacity to run in that 12.2 to 13.8 V range. FYI- 18650 cells on Ebay and Amazon claiming up to 6000mAh.. are NOT. I've tested them at 1024 to 1400mAh..about $1.50+ BTW The li-ion battery disadvantages include: Protection required: Lithium ion cells and batteries
are not as robust as some other rechargeable technologies. They require
protection from being over charged and discharged too far. In addition
to this, they need to have the current maintained within safe limits. The alternative is to use another Lithium type battery. Lithium iron phosphate battery or LifePO4 battery. Considered safer, greater recharge cycles and higher initial cost. LifePO4 batteries are 3.2Volts, therefore 4 in series gives you 12.8 - an excellent voltage to run a GO BOX. So you can fully charge LifePO4's and it's safe for ham gear. LifePO4's can put out 100 amps if you are not careful. There are YOUtube video's showing a 1/2" open end wrench turning cherry red across one of these batteries. I am considering building at least 1 maybe 2 or 3 for Go Boxes. I have a line on? 2 styles of LiFePO4 Nominal Capacity 8Ah Charging voltage 3.65V Nominal Voltage 3.2V Cut-off Discharge Voltage 2.0V Charging Method CC/CV Maximum Discharge Current(continuable) 200A Maximum Charge Current(continuable) 80A Cycle Life 1500cycles 1C 100%DOD ?????????????? 2000cycles 1C 80%DOD Work temperature??? Charge -10℃ to 45℃????????????????????????????? Discharge -20℃ to 65℃ Dimension(mm)???? Diameter 38mm ?????? ? ? ? ? ? ? ? ? ? ?? Length 120mm(152 with screw) Weight 360 grams These are commonly known as 38120S (Diameter Length S=screw terminal)? I can get them for $11 each +8 for $10.50 and +40 for $10.00 So for 8 -$44 plus shipping I would have the major components for 12.8V 16Ah but could draw 400amps for 2.4 minutes!! I can also buy smaller 18650 1.1Ah cells? 100 count for $150 or $2 each. (the above is more Ah per $) Then finally they have 18650 1.5Ah cells? 24 count case for $48.. 18650 would require battery holders, which can be had for about $2 that holds 4 cells. Shipping out of Pennsylvania, These are my costs through my wholesaler. I am considering selling them at hamfests and on ebay. Connectors and conditioner (BMS) pc-boards are under $10.. then a container woul dbe needed. Some Li-ion batteries are simply assembled and placed in shrink wrap to hold them together. Other are in plastic cases.. If anyone would like to work on this project with me contact me... Larry W8LM? email w8lm@... |
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W0VFW ham radio shack
Patrick Schneweis
Greetings to all,
I spent a few hours in the shack recently trying to get things cleaned up and straightened out. Here is a recap: Computer and Monitor- Most cables had been disconnected from the computer and the keyboard and mouse were missing.? Purchased a wireless keyboard and mouse and hooked up the cables. The old monitor wasn't a good match to the video card so I provided a spare monitor I had laying around. The computer came up okay and everything seems to work as it did right after Larry M upgraded it months ago.? I didn't check to see if it will print so, I still need to do that. The computer is turned on.? All we need to do is turn on the monitor to use the computer. User name and password are on the monitor. 2M Radio - I hooked up the radio and it seems to be working fine. I'm not acquainted with radio so I didn't do much testing.? There isn't a fuse on the power cord so I unhooked the power.? I found a fuse holder in one of the tool boxes? - I'll get it installed in the next few days and read the manual to do some additional testing. PVC Banner Frame -? It was just in the way and since we don't have a banner at this time, I took the banner frame home to store it in my shop. Power Cord hanging on Hook Behind Door - The power cord had been taped and the female end wasn't attached to the cord as it should have been. It wasn't safe and probably not legal to use in the commercial environment. ? I replaced the cord with a medium duty 25' cord.? I took the old defective cord home for my personal use.? I'll make two short cords out of it and will probably have more invested in buying three end adapters than a new cord. My usual way of doing things. Icom 718 - The radio worked fine one day and another day it sounded like it couldn't produce good audio.? We had the same problem with it on field day this year.? Something to look in to one of these days.? Also couldn't get more than about 50 watts out of it. Another item to check. Ameritron ALS 600 - I tried to check the ALC negative voltage to make sure it is set properly for the Icom 718.? Since I couldn't get enough power out of the 718, I couldn't do a valid test.? I left the ALC settings as I found them.? Since the radio is only putting out about 50 watts we should be okay.? I'll check the ALC when we can get a radio that puts out more power. The power supply unit for the ALS 600 is showing 60 volts output.? I think it is supposed to be 50 volts.? The voltage meter only goes to 60 volts so it may be putting out more than 60 volts.? Something else to look into. That should bring you up to date on what I've done in the shack. While I was working in the Shack I contacted W4L? special event station on the dipole antenna.? We have some new wallpaper for the shack. I'll also put this out on groups.io so some of you may get this email twice. Everybody take care 73 Pat Schneweis KC0ZRY |
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Re: Word Change
Done..
On Sunday, October 27, 2019, 9:03:31 PM CDT, Don Sharp Sr <dcsharpsr@...> wrote:
Larry, You might want change a word in the Home page description.. OUR?YAHOO?GROUP IS OPEN TO ALL WHO ARE INTERESTED IN AMATEUR RADIO. IF YOU REQUEST MEMBERSHIP PLEASE INFORM US OF YOUR AMATEUR RADIO CALL SIGN OR THE REASON FOR JOINING THIS GROUP.?? Don WB0QFR |
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Fw: ARES Organization
----- Forwarded Message -----
From: James Stafford <aj5bs@...> Sent: Sunday, October 27, 2019, 11:35:55 PM CDT Subject: ARES Organization As the ARES Emergency Coordinator for Sedgwick and Harvey Counties, I would like to try again to organize an ARES group for Harvey and Sedgwick counties to be active in emergency communications and support for government and non-government organizations and hold regular radio nets. Please pass this on to all of your amateur radio friends in Sedgwick and Harvey counties. If anyone is interested in becoming ARES members, please contact me. James B Stafford AJ5BS |
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52 crew on Facebgook
Perhaps the most popular 2 meter Frequency in the Greater Wichita Area is 146.520...
The group most active Commonly calls themselves the "52 crew", they are on Facebook. There are no dues, no officers, no meetings EXCEPT informally at 9-11 AM at the Derby Radio Shack.? To join make a request at 520 CREW on FACEBOOK |
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K9ya.org
Does anyone else here read the free K9YA telegraph newsletter? It's pretty good usually. Jeff W0JMW |
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