Which Antenna Analyzer Should You Get?
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- Опубліковано 2 кві 2023
- Tuning Ham Stick Dipoles; How To Upload Your FT8 Log To POTA; What Antenna Analyzer Should You Get?
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I have a Hamstick 80 meter dipole due to a small backyard. It has been a great antenna for years. I tuned the side that the coax attaches to then adjusted the ground side appropriately the same. Best thing is it’s an 80 meter rotatable dipole.
The ability to hang the stick pro at the antenna feedpoint and check with your phone is the best feature, you get a true reading without any feedline dark magic skewing the readings.
Hi Mike, I and a friend saw you at the Dayton Hamvention today. It was great meeting you and talking with you. We will be back tomorrow to volunteer in the flea market. Thanks for the free equipment you gave us, we appreciate it.
For what it’s worth, I’ve only ever calibrated my NanoVNA once, and as far as I can tell it works just fine across all frequencies without recalibration.
I have the comet caa500 antenna analyzer and it works great. 70cm -160m
Regarding hamstick dipoles. I've used vertical hamsticks for quick setups but like hamstick dipoles for POTA. I build my own mounts, both dipole and quad mounts, and would advise tuning to start with making both the same length then adjust both, doesn't matter which you start with, to be the same length until you find the frequency you want. Yes it's a pain in the butt because they have such a narrow Q but once you lock them in use the sharpie to mark them. A friend suggested I try a capacitance matcher to help with tuning once you get the whips set so I tried an MFH909 matched and got a 1.5:1 down to a 1.1:1 on the upper bands. I have the hamsticks from 10 to 12 ft off the ground and have had really good results with this system. This setup works best for digital modes where frequency changes are rare but possible. Thanks for another great video!
If ordering MFJ hamsticks, definitely buy the adjustable whips to screw in the top, instead of having to trim the fixed ones that come with them. MFJ-1963 I believe is the one. Just make sure it's the one that screws into the existing thread on the hamstick.
Great video like usual.
Thanks Mike.
Antscope on your desktop is nice. I have connected it to my desktop computer, and trimmed my antenna while testing through the coax in my house. I do that by taking my tablet out to the antenna, and VNC'ng back into my desktop. It's nice for maintenance, or real world tweaking.
I have a Stick Pro too. It's quite good. I like too that I can connect to it from my phone or tablet of computer over bluetooth or USB to have a larger screen.
1:16
I have tuned many sets of hamstick dipoles for myhome brew Octopus antenna mount (4 bands). The trick I use is to always start by tuning BOTH sides to the same length, and moving them in or out by the same amount til I get the lowest SWR. Since my setup puts the mount up 18', the longer wavelengths will not tune perfectly. Then I use the OCF dipole trick and move one side out 1/3, and the other side in 2/3. This reduces feedpoint impedance and makes for a better match. NVIS on the long wavelengths sure, but it works pretty well.
I have a youkits analyzer that works well for me. It has been my only analyzer since they came out. I will be buying a rig expert stick pro once I clean out my shack in some up coming hamfests.
So glad I just bought the MFJ 233 😩
Can’t go wrong with a RigExpert. I have the Stick Pro.
Sharpies RULE for tuning!!!
Thanks helped
you might enjoy looking at the mini1300.
You Are AWESOME!!!!!!