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I contacted Dosy about an alignment question on a meter someone had way out of whack & they got back to me pretty quick, give it some time I guess. As for the meter cover; getting the set off FredInFl may be the way to go. I made a cover for an old Dosy 4001 several years ago that was...

Definitely informative, but I was wondering myself why he was not using the triggering in the scope to lock a solid waveform on the screen. Here is another video I seen a couple weeks ago & thought it was interesting, shows 100% modulation on the scope pretty well. (I will post the video at...

Did you ever figure out the problem? I would suggest measuring the circuit to see if it is drawing current & how much. Put the battery in sideways & snap in ONLY the negative terminal, then put your multi-meter set to dc amperes in series with the positive battery terminal & post on the board...

It is very possible D11 is open causing your problem. Since that was already cut / replaced, double check it to make sure it is good & installed properly. But to add to things to check; check C73 to make sure it is still in the circuit, make sure it has not been cut / removed. I have had a...

I think for an overall decent sounding MIC the D104-M6B is a great choice. All the ones I have heard always sound good; good audio, clean & clear. I have been running one on my base HR2510 for the last few years, I play around with other MICS & processing gear, but when I am not running that...

Yeah, if I would have measured from the C13P hole instead, it would have definitely been closer to the 240” from the start. I did not even realize (probably did not pay attention) that the tubing on the newer ones is thicker then the old ones, that definitely seems good. My antenna has been...

office888, Yeah, I was not familiar with Delrin at all. I did a google search for Delron & most of the results were for Delrin, although there were one, maybe two that popped up for delron, but they may have misspelled it. One of the sites with antennas stated Delrin for most of them then...

I’ve been trying to remember for you Marconi! I can’t, so I had to go digging for my notes! The info I was going to give you from my memory would have been totally wrong, so I’m glad I found them & did not go the memory route, haha. I’ll be honest; I am probably in the wrong section here...

Marconi, I honestly did not re-measure it after fiddling with it, I got it under a 1.5 after putting it up, taking it down, putting it up, taking it down several times to gradually adjust the length in the 1/4" increments as stated in my manual (I did not have a big latter or it set up lower...

Hmm, there does seem to be different variations of instructions. All my copy says about mounting is as follows. On page-3 in the “MOUNTING THE BASE SECTION” “On a mast with an outside diameter of up to 1”, first position clamp ring C13P on the base and install the 5/16 x 1” hex bolt and...

I was reading through my manual again to see what all was covered, & on page two in the BASE ASSEMBLY section it states: “Note: Overall length is the distance from the top of part T01P to the bottom of part BA1P.” The top of T01P would be the very top of the antenna as T01P is the very top...

That makes sense Sonwatcher; seeing that diagram with the arrow pointing to the bottom, which leads me to now believe the VERY bottom of the antenna as shown by the arrow. Why don’t they just state the very bottom of the antenna or very bottom of the base assembly, why even bother mentioning...

Marconi, That always confused the heck out of me! I got my antenna somewhere around 10 years ago & I was not sure what they were referring to when they stated “below the hole for mounting bracket C13P”, I was not sure if they meant the VERY bottom of the antenna, or just below the hole for...

I appreciate the info guys! Is the Delron or Delrin used in both versions? Different types of it made, like different grades? Or does one use that material & one use a different type. I really do appreciate the info on it as I was very curious for some reason about the differences between...

Hi Sonwatcher, That’s interesting. That insulator always reminded me of black PVC pipe, haha, but I suppose it is probably something different. It may be hard to distinguish between the two if that’s the main difference, unless it is a different diameter or thickness tubing but I’d imagine it...

Hello everyone! I have wanted to ask this for a long time now. Probably a silly question, but figured I would ask anyhow. How can you tell a Maco Alpha V5/8 apart from the V5/8 V5000? I am assuming the wire that connects the SO-239 to the matching coil might be different gauges between...

loosecannon, I cannot specify any particular brands to look out for on the ones that were not made properly, but I remember reading something about that some time ago. I use nichicon often as well; they have been around for a long time & I have never had a problem with them. There may be...

I too thought a replacement capacitor kit for the 2510 would be a good idea when I was putting a list together for all the caps I needed since I wanted to do mine, would save some people a little time. I was not sure if it would be a big seller, but I thought some people may be interested...

Hello mechanic, If its “jumpy” when adjusting VR117 it sounds like it is dirty & needs cleaned or replaced. I’d start with that especially if the S-meter readings seem normal & steady. The 2510 variable pots may be hard to clean though the way there made, I have never cleaned them before...

I definitely want to go through some of my radios, especially the older ones like my 2510’s, & considering the bad caps that I, and many other people have found in these radios, it just seems appropriate as the rest (or most) of them are likely towards the end of there life as well. There...