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Beefington
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Posted: 1/22/2013 12:07:28 AM
[Last Edit: 1/22/2013 1:53:15 PM by Beefington]
Has anybody got any information on this antenna? I saw it in this month's QST in a full page ad on page 12. Looks like it's full coverage from 1.8-30MHz, with a tuner built in to the antenna base (!). Apparently fully ruggedized, waterproof (submersible, even) and "affordably priced." Googling doesn't net me much info on it, and I couldn't find anything on the US distributor's website (http://cntlwire.com/

I've no idea what price this thing is going to weigh in at, and I'm tempted to email the distributor to find out.

More links:
Manufacturer's site on the antenna: http://www.stealth-tele.com/plugins/custompages/detinf.php?id=374&id_categories=155
Brochure from the UAE website of the manufacturer: http://www.stealth.ae/plugins/custompages/PDF/9310.pdf

More info:

  • CONTINUOUS 1.8 TO 30 MHZ COVERAGE

  • 200W PEP SSB POWER HANDLING

  • 0.5 sec FAST AUTOMATIC TUNING

  • SENSITIVE AND EFFICIENT

  • USB PROGRAMMABLE INTERFACE

  • ONLINE FIRMWARE UPGRADABLE

  • EASY TO INSTALL ON ANY VEHICLE

  • RUGGED AND WATER PROOF DESIGN

  • Frequency Range: 1.8 to 30MHz TX/RX

  • Power Rating: 125W PEP CW/data, 200W PEP SSB Voice

  • VSWR: Typical Less Than 1.5:1, 50Ohm

  • Tuning Speed: 200 Channels Memory tuning Less Than 0.5s

  • Power Consumption: 90mA static/1.3A tuning, 11-15VDC - supplied from transceiver

  • Interface: UHF socket/MIL-DTL5015, 7-pin/TTL and serial via USB/CPS

  • Operating Temperature Range: -25°C to +45°C

  • Environmental: Dust and Vibration protection, water ingress to IP 68

  • EMC EN 61000

  • Size and Weight: 100x100x840(2490)mm/3.9x3.9x33(98)inch, 5.2kg/12lbs



According to the QST ad, it's compatible with all HF transceivers. I'm not sure what that means exactly, but it apparently you program the antenna via USB with the transceiver, mounting system, and adapter cable. It also says "upcoming new radios are on-line supported at no charge."

I had a very strong "Shut up and take my money" urge when I saw the ad, did anybody else? Any insight?

Edit: here's the ad from QST:
wilezcoyote
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Posted: 1/22/2013 6:30:46 AM
That thing looks huge mounted on the jeep in the brochure. Find out how much it is and post back. I'm betting that the price will make your eyes water as in "OMG! That's a lot." high.
SandHillsHillbilly
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Posted: 1/22/2013 9:26:48 AM
I haven't looked at the brochure yet. My bet is you could buy a Hi-Q for less money and have better performance and handle more power. The Piranha Hi-Q is just as rugged.
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strictlyb
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Posted: 1/22/2013 11:23:34 AM
[Last Edit: 1/22/2013 11:24:42 AM by strictlyb]

THIS^ i agree with the previous post


Ive looked at some of their stuff before, specifically the "SUPER SKYRIDER™ HF Mobile NVIS Magnetic Loop Antenna" and it runs about $5000

Their stuff is for commercial and government applications where money is not an issue.


Their mobile NVIS could be built for a very small fraction of the cost.

Here is a link to that one
http://www.stealth-tele.com/plugins/custompages/detinf.php?id=372&id_categories=156


There is tons of screwdriver type antennas out there for small and mobile HF setups...
KD5TXX
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Posted: 1/22/2013 12:49:13 PM
I looked too. The ad says affordable priced..... It looked cool till I saw how huge it looked. Nothing stealth about it if it were on my Rav 4.
Beefington
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Posted: 1/22/2013 1:59:42 PM
[Last Edit: 1/22/2013 2:05:29 PM by Beefington]
I've dispatched an email to Continental Wireless inquiring about the price. I'm sure it'll be into used car territory, but I'll post the answer here when I get it.

As far as the size, I don't think it's much larger than the big screwdrivers I've seen, and it'll (allegedly) tune 160M with the 8' whip.

I like the physical design of this unit over screwdrivers, since all the moving parts are internal. To my eye, a screwdriver antenna just looks like a giant failure point waiting to happen. Hi-Q antennas are better, but still cost a fistful of C notes. I'm very interested to see how the price of the 9310 compares to a similarly performing Hi-Q.
echomancer
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Posted: 1/22/2013 2:10:24 PM
OOOHHHHH! It comes in multiple models and there's even an NVIS Loop model!

Multiple Models!
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Beefington
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Posted: 1/22/2013 2:17:32 PM
Originally Posted By echomancer:
OOOHHHHH! It comes in multiple models and there's even an NVIS Loop model!

Multiple Models!


Nice find, I couldn't locate anything on that site. I think that model 9400/9420 is the SkyRider NVIS loop mentioned above, by strictlyb, costing $5000.

I think the 9320 is for maritime HF, and the 9300 would be for miltary/government HF, and I'm not sure what the 9360 is for.

Here's the model numbers matched with the names/freq ranges from this site:


9300 HF Mobile Autotune Whip Antenna 1.5-30 MHz 200W


9310 HF Mobile Autotune Whip Antenna HAM Radio 1.8-30 MHz 200W


9320 HF Marine Autotune Whip Antenna 1.6-30 MHz 200W


9360 HF Mobile Autotune Whip Antenna 1.6-30 MHz 200W
Gamma762
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Posted: 1/22/2013 3:25:32 PM
[Last Edit: 1/22/2013 3:26:06 PM by Gamma762]
Originally Posted By strictlyb:
Their mobile NVIS could be built for a very small fraction of the cost.

Except that, as best I can tell, there is no other small loop autotuner on the market. MFJ has a manual loop tuner, but the nature of small loops is that the bandwidth is miniscule and would require retuning with even small changes in frequency.

I've suggested to LDG that they make a loop autotuner.
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phurba
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Posted: 1/22/2013 4:37:51 PM
Originally Posted By KD5TXX:
I looked too. The ad says affordable priced..... It looked cool till I saw how huge it looked. Nothing stealth about it if it were on my Rav 4.


I don't really care about the looks, but it looks less ugly than my Tarheel screwdriver. "Affordably priced" military antenna can be a few thousand dollars for some wire. Affordably priced on the civilian market means something entirely different. I'm looking forward to seeing which version of affordable they end up going with.
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Mr_Harry
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Posted: 1/22/2013 5:50:34 PM
How about an Icom auto tuner and an 8 ft whip?
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aa777888-2
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Posted: 1/22/2013 5:51:26 PM
This type of antenna is very popular among the Australian commercial HF ALE network crowd. It appears very similar to both the Codan and Barrett products. Typical Codan pricing (Australian):

http://www.lakecomm.com.au/hfant&acc.html

DanishM1Garand
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Posted: 1/22/2013 6:20:07 PM
Originally Posted By aa777888-2:
This type of antenna is very popular among the Australian commercial HF ALE network crowd. It appears very similar to both the Codan and Barrett products. Typical Codan pricing (Australian):

http://www.lakecomm.com.au/hfant&acc.html




Codans require a Codan radio though. This poorly named Stealth is usable for any HF rig. I want one BAD........

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Posted: 1/22/2013 6:38:17 PM






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Posted: 1/22/2013 6:40:41 PM


Is that not the Hamsexiest thing you ever saw?

Derek45
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Posted: 1/22/2013 9:10:20 PM
Sexy doesn't mean jack shit if there's a giant 50 ohm carbon resistor inside there.

I want to see the schematic on this
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SandHillsHillbilly
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Posted: 1/22/2013 9:29:13 PM
Tacticool Antennas
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Jazzemt
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Posted: 1/22/2013 10:06:00 PM
I will take my hi-q 5-160 any day over that.
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aa777888-2
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Posted: 1/23/2013 8:21:20 AM
[Last Edit: 1/23/2013 8:21:54 AM by aa777888-2]
Originally Posted By Derek45:
Sexy doesn't mean jack shit if there's a giant 50 ohm carbon resistor inside there.

I want to see the schematic on this


I can't speak to the "Stealth" antennas, but the Barrett and Codan equiv's literally have antenna tuners inside their bases. They simply laid them out in an elongated fashion as opposed to a big square box. I couldn't find a pic of the Codan but I've seen inside one. Here's a pic of the Barrett (the top PCB--ignore the other PCB at the bottom):


Beefington
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Posted: 1/24/2013 12:55:23 AM
I got a reply back this morning. The 9310 goes for $1495, plus the mount (they didn't say how much the mount costs), plus shipping from Continental Wireless. That's right about what I was expecting. Now to wait for some early adopters to test drive it for me
SandHillsHillbilly
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Posted: 1/24/2013 1:11:28 AM
That ain't as bad a price as I thought.

I did stumble across a link that discussed their NVIS roof mounted half loop. The post was from 2 years ago and the quoted price was 5 grand. They make you use their roof rack and mounts. In my case their roof rack will not mount on my intended vehicle.
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Posted: 1/24/2013 1:38:59 AM
Originally Posted By SandHillsHillbilly:
That ain't as bad a price as I thought.

I did stumble across a link that discussed their NVIS roof mounted half loop. The post was from 2 years ago and the quoted price was 5 grand. They make you use their roof rack and mounts. In my case their roof rack will not mount on my intended vehicle.

The roof rack is the ground plane for the half loop. Small loop performance is impacted a lot by changes in surface resistance, corrosion and the like so the rack would be a critical part of the system. It's likely copper or even silver plated.
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SandHillsHillbilly
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Posted: 1/24/2013 2:02:47 AM
I also came across some pics of the rack being fabricated. I will post them later today when I am more awake to backtrack my searches. It maybe copper plated before painting but looked like typical mild steel roof rack.


Originally Posted By Gamma762:
Originally Posted By SandHillsHillbilly:
That ain't as bad a price as I thought.

I did stumble across a link that discussed their NVIS roof mounted half loop. The post was from 2 years ago and the quoted price was 5 grand. They make you use their roof rack and mounts. In my case their roof rack will not mount on my intended vehicle.

The roof rack is the ground plane for the half loop. Small loop performance is impacted a lot by changes in surface resistance, corrosion and the like so the rack would be a critical part of the system. It's likely copper or even silver plated.


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AlexSt
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Posted: 1/24/2013 4:56:17 AM
No, there is no giant carbon resistor inside
Here some videos on youtube:
9360 Frequency tracking and memory tune
Manufacturer company presentation video part 1. On 2:33 shown first 9360 protoype
Manufacturer company presentation video part 2
Stealth Telecom on Facebook
aa777888-2
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Posted: 1/24/2013 7:54:10 PM
Originally Posted By AlexSt:
No, there is no giant carbon resistor inside
Here some videos on youtube:
9360 Frequency tracking and memory tune
Manufacturer company presentation video part 1. On 2:33 shown first 9360 protoype
Manufacturer company presentation video part 2
Stealth Telecom on Facebook


That's really interesting. It's different than the Barrett. It looks like a large adjustable air core inductor run by a linear actuator.
echomancer
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Posted: 1/24/2013 7:57:11 PM
Originally Posted By AlexSt:
No, there is no giant carbon resistor inside
Here some videos on youtube:
9360 Frequency tracking and memory tune
Manufacturer company presentation video part 1. On 2:33 shown first 9360 protoype
Manufacturer company presentation video part 2
Stealth Telecom on Facebook


See a lot of traffic to your website from arfcom did you?
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