Author: admin

Its Dynomite! – Ham Nuggets Season 5 Episode 34 S05E34

Post author By admin
Post date September 1, 2024

Tonight Jim and I dig into the fabulous world of 1980’s Hardware TNCs. First we learn what we don’t know and in an upcoming episode, we’ll try and make an HF connection via TNC based modes!

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Red Summit RF Youtube

Chasing SOTA, POTA and QRPp Ham Radio Stations From Home

Post author By admin
Post date September 1, 2024

Dan, Brian and I discuss ham radio "chasing", the often overlooked side of Summits on the Air and Parks on the Air. Both Dan and Brian discuss improvements to their stations which improve their chasing capabilities. I talk about the Miles Per Watt Award (KMPW) for the QRPp’er.

Join us as we talk about how YOU can get involved in portable radio in this episode of the All Portable Discussion Zone “AP/DZ”. Every aspect of Portable Ops is explored in this biweekly live stream as we discuss news, gear, achievements, the workbench, contests, awards and more – find all Portable Ops related topics here.

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X:
Charlie NJ7V @NJ7V_
Dan KC7MSU @KC7MSU
Brian W7JET @BBW7JET

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Ham Radio DX Youtube

Using a NanoVNA to Fix Our Repeater Coverage

Post author By admin
Post date September 1, 2024

We’re phasing two dipole antennas together on our repeater system, but we need to add downtilt – to move the main lobe down toward our main users.
This is how you build a delay line to accomplish this using a NanoVNA.

⬇️ Equipment in this video ⬇️
NanoVNA SAA-2N 👉 https://geni.us/YPOGD0
NanoVNA H4 👉 https://geni.us/SqRmO

As an Amazon Associate, I may earn from qualifying purchases
Some product links are affiliate links which means if you buy something I may receive a small commission.

⏱️Chapters⏱️
0:00 The problem with our new antenna
2:28 The solution
4:25 How do we do it?
7:25 Maths…
10:49 The delay line
11:57 Using the NanoVNA to measure
16:37 Testing another cable

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#HamRadio #AmateurRadio #nanovna

Music:
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DX Commander Youtube

Fixing RF in Audio and Arc Faults under QRO

Post author By admin
Post date September 1, 2024

Numerous problems to fix inclusing ARC faults and RF in my audio. Withoiut the use of ferrites, I seemed to have cured it.

TheSmokinApe Youtube

End Fed Halfwave Autotransformer 49:1 Cores Tested

Post author By admin
Post date August 31, 2024

In this video, we test a few 49:1 Autotransformers that are designed to be used on an End Fed halfwave (EFHW) antenna for amateur radio (ham radio).

Sponsored by http://www.pcbway.com Cheap & quick PCB, 3D Printing, CNC machining, and fabrication services from PCBWay.

🔥🔥🔥 Get your Ham Radio License using Ham Radio Prep:
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Ham Radio DX Youtube

NanoVNA Tricks: How to Accurately Measure Coax Length (EASY)

Post author By admin
Post date August 31, 2024

You can use a NanoVNA to measure coax length or distance to fault, similar to a TDR using the Transform function.

*Note the model I use is a NanoVNA SAA-2N – not the H4*

⬇️ Equipment in this video ⬇️
NanoVNA SAA-2N 👉 https://geni.us/YPOGD0
NanoVNA H4 👉 https://geni.us/SqRmO
Messi and Paoloni Hyperflex 13 👉 https://messi.it/en/catalogue/50-ohm-cables-ham-radio/hyperflex-13.htm
Use Coupon VK7HH for 10% OFF M&P

As an Amazon Associate, I may earn from qualifying purchases
Some product links are affiliate links which means if you buy something I may receive a small commission.

⏱️Chapters⏱️
0:00 What’s the length?
0:24 Velocity factor
1:31 Setting up the NanoVNA
4:23 Measuring the cable

📺 Watch the next video here 👉 https://www.youtube.com/@HamRadioDX

📧 Email: vk7hh@hamradiodx.net
Join our TOADs Community 👉 https://discord.gg/97tkMEc

#HamRadio #AmateurRadio #nanovna

Music:
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DX Commander Youtube

Storm Damage Repair – My Own Signature 12 Antenna Fell Down!

Post author By admin
Post date August 31, 2024

I could see on CCTV that the 12.4 was lying on the ground. I went up early this morning to see if I could fix it.

Ham Radio Crash Course Youtube

The Best Antenna Book! Rothammel’s! Interview With Hans DK5JI

Post author By admin
Post date August 31, 2024

Rothammel’s is one of the most comprehensive antenna manuals I have ever seen. You can find it at Gigaparts (Coupon code "JOSH"): https://www.gigaparts.com/rothammels-antenna-book.html?srsltid=AfmBOoqJ7ERfHcyV-3UE19DB4gnUBRhWustA_lA4gPOYHy6Axa6Tl0kH

📻 Want the best HT antenna? Signal Stuff Signal Stick https://signalstuff.com/?ref=622 (This is an affliate link)
📻 Looking for the best deal on the Ed Fong J-Pole? https://www.kbcubed.com/DBJ-2H-Amateur-Ham-2m-70cm-Dual-Band-Portable-Rollup-Antenna-by-Ed-Fong-p406009746
📻 The Coax I use is ABR Industries (10% off with code: "abr10hrcc"): https://abrind.com/?sld=6
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Red Summit RF Youtube

Rockmite Plus Plus QRP Transceiver Kit in the Field

Post author By admin
Post date August 31, 2024

Sometimes SOTA activations don’t go as planned. This one was one of those. I had some success with the activation but a little trouble with recording the contacts I got on the little Rockmite QRP Transceiver. Rex Harper’s Rockmite ][++ is a fun kit to build and the 6-7 hundred milliwatts can still get you the contacts.

QRPme Website: https://qrpme.com/
Rockmite ][++ Order Page: https://qrpme.com/?p=product&id=RMBM
Thumb Screws: https://amzn.to/4dW0hh2
Anker Speaker: https://amzn.to/4cN8DWU

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#hamradio #SOTA #CW #MorseCode #PortableRadio #QRP #POTA #Rockmite #electronics #hamr

Dave Cassler Youtube

Measuring Insertion Loss with VNA (#1157)

Post author By admin
Post date August 30, 2024

Kyle has a question about how to measure the insertion loss of his multiple antennas using VNA. How exactly do you measure with VNA? Watch to find out!

Subscribe: https://youtube.com/davecasler

Videographed and Edited by Teagan Kulbeth

#amateur radio
#ham radio
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#ham radio answers

To learn more about me, visit: https://dcasler.com
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To pose an Ask Dave question, email to askdave@arrl.org. Feel free to include pictures or drawings to help clarify. I may answer your question directly, via an Ask Dave video, or in my monthly column "Ask Dave" in QST.

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Thanks to my sweet wife, Loretta, KBØVWW, for both audio and video assistance! (Her website is www.aldea-art.com.)

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