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Re: Breakfast Topic: FOX 7 - KTBC Broadcasting Frequency
The bandwidth of Television channels is 6MHz wide, so 174-18? MHZ.
Using the formula 28?8/freq.=1/2 wave at center frequency of 177MHZ=.15.8644?6779661?2"? for 1/4 wave, double that for 1/2 wave. You should really make it a folded dipole for 3?? Ohms, then use 3?? Ohm twin lead to the TV, and a the good old 4:1 balun at the receiver. This is old school, but this is best for low loss, and noise rejection. "This was generated by AI" (Another Idiot) |
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KE5RS Foxhunt May 9th, 2024 Results
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2024 ARRL Field Day - Sign up time!
Greetings, Hambuds!
?? Hope everyone is doing well, and getting beneficial rain.? ?? At breakfast last week, someone raised a question about antennas at Field Day.? So, if you are planning on bringing and operating a station, please reply to this thread and tell us on what band(s) your antenna(s) will work.? Also, please state which modes you are planning on operating.? Thanks! Have a good week. 73, Tim L. N5TML |
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File Notifications
#file-notice
Group Notification
The following files and folders have been uploaded to the Files area of the [email protected] group.
By: Brian Zwiener KF5CCN <kf5ccn@...> The following files and folders have been uploaded to the Files area of the [email protected] group.
By: Brian Zwiener KF5CCN <kf5ccn@...> Description: |
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Added Folder /File Archives/Amplifier Information and Articles
#file-notice
Group Notification
Brian Zwiener KF5CCN <kf5ccn@...> added folder /File Archives/Amplifier Information and Articles Description: |
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Re: ANNUAL ARMED FORCES DAY CROSSBAND TEST (11 May 2024)
OK - more input below from ARRL's recent email.
I just successfully contacted (0235Z - May 11) the USS Midway - callsign NIIW, in San Diego on SPLIT - I was listening on 14.476 and transmitting on 14.345. Pretty cool. I gave him a 59 and he had me at an improving 57 to 58. The annual DOD message will be transmitted via RTTY on 14.667 kHz at 1400 and 2000 UTC. These tests provide opportunities and challenges for radio operators to demonstrate individual technical skills in a tightly controlled exercise scenario. Military stations will transmit on selected military frequencies and announce the specific ARS frequencies monitored. All scheduled times will be in Zulu, and all scheduled frequencies will be upper sideband (USB), unless otherwise noted.? Information on frequencies, times, and other technical information can be found at DoD MARS - Armed Forces Day at, https://www.dodmars.org/mars-comex-information-website/armed-forces-day . The Battleship IOWA Amateur Radio Association (BIARA) and the ship's Innovation, Engineering and Technology Team will activate NEPM, which was the ship's original radio station call sign from 1942 until 1997. It was reassigned to the ship in 2015. The activation will begin at the same date and time as the Armed Forces Day Crossband Test, from 1400 to 2000 UTC. All SSB operations are USB only for transmit and receive. Assigned transmit and expected receive frequencies are:? * 4.0435 to 3.943 MHz USB * 6.9035 to 7.295 MHz USB * 9.9440 to 10.113 MHz CW * 14.4635 to 14.343 MHz USB * 18.2930 to 18.143 MHz USB? |
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KE5RS Foxhunt May 9th, 2024 Activated
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ANNUAL ARMED FORCES DAY CROSSBAND TEST (11 May 2024)
Can anyone clarify this "Crossband" test on Saturday?? Are we supposed to listen on channel A of our transceiver and SPLIT our Tx to whatever frequency they announce they will be listening on???? I've participated in DoD tests before on 60m, but never done this "crossband" version. |
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KE5RS Foxhunt Apr 26th, 2024 Results
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Re: [wcares] KE5RS Foxhunt Apr 27th, 2024 Activated
¿ªÔÆÌåÓýHello Foxhunt Enthusiast Sorry people for the last foxhunt notification email/s.? Ignore those I sent just before noon today. I did something, messed up on my end, cache memory in my phone that resent those emails with incorrect dates, My bad. ? Arrggg ? ? John _._ . ¡.. ._. ¡ ? From: [email protected] <[email protected]>
On Behalf Of John KE5RS via groups.io
Sent: Saturday, April 27, 2024 11:59 AM To: [email protected]; [email protected]; [email protected]; [email protected] Subject: [wcares] KE5RS Foxhunt Apr 27th, 2024 Activated ?
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KE5RS Foxhunt Apr 27th, 2024 Activated
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Re: Time to get ready for ARRL Field Day 2024
Hi, Hambuds! ?? Thanks to everyone who responded!!? Great!? Hope everyone else is starting making plans to attend on Field Day. 73, Tim L. On Fri, Apr 26, 2024 at 8:25?PM Marc Wiz via <mwsteppir=[email protected]> wrote:
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Email from MFJ -- GOING OUT OF BUSINESS
Dear Fellow Hams and Friends,?????? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?? ? April 25, 2024Dear Fellow Hams and Friends, ?????????????????? ? ?? It is with a sad heart as I write this letter. ? ?? As many of you have heard by now, MFJ is ceasing its on-site production in Starkville, Mississippi on May 17, 2024.? This is also the same for our sister companies¡¯ Ameritron, Hygain, Cushcraft, Mirage and Vectronics. ? ?? Times have changed since I started this business 52 years ago.? Our product line grew and grew and prospered.? Covid changed everything in businesses including ours.? It was the hardest hit that we have ever had and we never fully recovered.? ? ?? I turned 80 this year.? I had never really considered retirement but life is so short and my time with my family is so precious. ? ?? I want to thank all of our employees who have helped build this company with me over the years.? We have many employees who have made MFJ their career for 10, 20, 30, 40 and more years.? ? ?? We are going to continue to sell MFJ products past May 17, 2024.? We have a lot of stock on hand. We will continue to offer repair service work for out-of-warranty and in-warranty units for the foreseeable future.? ? ?? Finally, a special thanks to all of our customers and our dealers who have made MFJ a worldwide name and a profitable business for so many years.? You all are so much appreciated. ????????? ???????????????????????????????????????????????????????????????????????????????????????????? Sincerely Yours, 73s ? ??????????????????????????????????????????????????????????????????????????????????????????? Martin F. Jue, K5FLU |
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Re: Time to get ready for ARRL Field Day 2024
¿ªÔÆÌåÓýI had a TR-7050!? Loved that radio. I have a spare IC-7300 and puts out 100 watts.?? Having scouts
out would be awesome! Marc WA6HBR On 4/26/24 15:01, Justin (KK7DTE) via
groups.io wrote:
I will be able to come out to Summer Field Day this year. I have finally started to learn SSB, so I'm interested in learning more, especially learning how to log faster and more efficiently. I'm still using my Lab599 TX500 on QRP, with a Super Antenna MP1. I'm also going to bring my Kenwood TR-7950, as I didn't realize older radios came without tone boards. Mine has a tone board, but I'm not sure how to use it or program my radio for local repeaters. I guess I need an Elmer!? -- Yes, that really is my last name. |
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Re: Time to get ready for ARRL Field Day 2024
I will be able to come out to Summer Field Day this year. I have finally started to learn SSB, so I'm interested in learning more, especially learning how to log faster and more efficiently. I'm still using my Lab599 TX500 on QRP, with a Super Antenna MP1. I'm also going to bring my Kenwood TR-7950, as I didn't realize older radios came without tone boards. Mine has a tone board, but I'm not sure how to use it or program my radio for local repeaters. I guess I need an Elmer!?
Thanks for showing me last year how to install Anderson Powerpoles! I'll help if I can. I'd like to get Scouts out to field day for a GOTA station. Let me know if there's interest in that and I can arrange a signup for local Scouts. My QRP probably isn't the best for a GOTA station, so if someone has a spare 100w rig, that would be great. |
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KE5RS Foxhunt Apr 26th, 2024 Activated
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