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OMG! Very impressive. I always wanted an ARC-5 pair, but in my earlier years I knew I wouldn’t have the means to rework them. You’re my hero! Apart from you, me, and the OP, I think there’s one other ham in here.

Ok, I am ready to report out on my radio installation! BLUF.....Piece of cake. Everything fit perfectly and the radio is up and running without a problem. Just to recap, The Diamond Antenna model NR770HRKS was the only viable solution to installing my Yaesu FTM-500 in my 25 AT. This antenna...

A quick update on my Yaesu FTM-500 installation. Tomorrow (Monday, 08 Sep) will be the big day. I have everything on hand including the antenna. I hope to have everything done around noon ET. Frank / WA3NHK

If you're chasing CBs, I can see why you're worried about lightning, But even more so than lightning, I'm worried more about a meteorite hitting my glass canopy. I like the glass so I'll take my chances. 😃

Good to know. Can you tell us the model nbr?

I can see your point. (Needing to find a convenient place to charge when everybody else is heading to the CBs.) But I'm not a storm chaser so I guess um good to go. If I wanted to chase storms I'd use an old beater.

Glass canopy is only a show stopper if you want to mount your antenna on the roof with a mag mount or drill a hole thru it. Maybe a suction cup mount would work (at least for a while until it blows off) but I'm not sure if the metallic tint will provide a good ground plane. The Diamond antenna...

Looks pretty much like my planned installation except for the antenna placement. I considered using a suction cup mount. Aren't you worried about it coming loose at high speed and scratching your finish?

It hasn't happened yet. Pics planned when I install it in the next coupla days. There wasn’t anything to take a photo of because all I did was park the Air logo below my garage door opening and then hold the mount and antenna in place above the logo to verify that it cleared the overhead...

UPDATE - Just received the antenna/mount kit and did a rough, trial installation w/o using the mount's adhesive pad. It fits with an inch to spare below the rubber coaming around the garage door trim. It turns out that when Diamond spec'd the antenna length as 40.2 inches they were including...

Tnx. This is useful info. The antenna is due here tomorrow (04 sep). I should have time over the next 2-3 days to mount the antenna (if it fits) and then connect it right into my SpecA. I'll do some sniffing around the car if indicated.

Oops. That was in response to OCDC. Doh!

Tnx. Looks like I might have to scan DC to Daylight. :)

Interesting story. Yeah, as a pilot I can understand why you'd want to tiptoe carefully around 121.5. 243 also.

I was thinking in terms of the range of freqs. But these are still useful suggestions. If we need to scan lower than 100 kHz I can force the Anritsu to do that. It'll just be operating below the specified min freq. If need be, I have a couple of other SpecAs that'll go down to 9 kHz, but...

Doh! I just remembered that I have an Anritsu portable SpecA. It's good for 100 kHz to 3 GHz. Does anyone have a suggestion on where to scan? I'll just drive around with the car under different power output conditions and see what I can see. No, I won't do a launch.

Well then, I stand corrected. :) I guess this old RF comms boffin should stick to his knitting.

Hi Deane. Don't forget that the Air has a potentially HUGE source of EMI that doesn't exist in ICE cars. It's from the Wonderbox and all high current AC wiring. You're converting several kilowatts of DC into many kilowatts of AC to drive the motors. I'm not saying that the Wonderbox is...

I have a 2025 AT (love the car!) that I'm planning to equip with a Yaesu FTM-500. In the meantime, I've used my HT in the car with the windows down a couple of times. (It's a Faraday cage with the windows up due to the metallic tint.) It's a weak link to the repeater but I've never noticed...

I doubt if overnight app activity has any noticeable impact on the SoC of the main batteries. Besides, the vehicle electronics, when the car is off, almost surely draw their power from the two 12V batteries, whose charge level wouldn't be in the SoC calculations. I'm guessing those big swings...