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Reviews Categories | Antennas: VHF/UHF+ Omnidirectional: verticals, mobile, etc | Tram 1481 Help

Reviews Summary for Tram 1481
Tram 1481 Reviews: 26 Average rating: 4.0/5 MSRP: $150
Description: Dual band base antenna
Product is in production.
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N7ERT Rating: 4/5 Dec 25, 2009 16:41 Send this review to a friend
TRAM 1481 is an OK antenna  Time owned: more than 12 months
The secret to this antenna is the install, assembly instructions are a little short, but nothing one can figure out in a few minutes.. Nothing in the instruction is the need to seal the antenna joints so they don't take on rain water. My first one had a 1/2 cup of water, drained, cleaned, and sealed good as new...
It is not a Celewave/RFS Superstation Master or a Phelps Dodge top of the line antenna, but it is dual band. It is not a high mountain top antenna, however side mounting can improve your odds.. For a cost less than $100 plus shipping it is a good bang for the buck. Five step install:

1. Assembly
2. Seal
3. Good feedline (low loss)
4. Antenna height
5. Enjoy
N0RAD Rating: 5/5 Nov 4, 2009 12:17 Send this review to a friend
Excellent Antenna for the Money  Time owned: more than 12 months
I purchased my first 1481 in 2002. It was installed on a vent pipe on my house for 2 years before I moved it to my tower. It sat atop my tower at almost 60 feet for 5 years. I fed it with 1 5/8" hardline plus LMR 400 jumpers. I was heard 200 miles away simplex on VHF at another base location and regulary communicated with W4CHZ and KC0RKT mobiles at distances of 60 miles VHF simplex. I was even able to get a UHF simplex mobile contact at almost 70 miles which is fairly impressive for FM and only 35 watts drive power into the coax. I have owned the 1480 8 foot version as well and it was equally impressive. I would suggest to wrap the metal connections in between the sections in mastic or good quality electrical tape as I do not trust the water resistance of the adhesive that holds the metal pieces to the fiberglass. I had 2 tram 11 meter vertical antennas that both failed at the joint after water worked its way in between the fiber glass and metal. Other than that I have not had any problems with any Tram vertical antenna ever. SWR is broad and low and receive is excellent as well. I have had some experience with the higher end Diamond antenna equivalent and have not noticed any better performance over the Tram. I also suggest using a clear assembly lube on o-rings and threads before assembly. Makes it very water resistance and lets things move gently in sudden temperature changes. The local price is about $110.00 as of 11-01-09. I highly recommend this antenna with a good quality RG-8 style or better feedline for any amateur station. The results will no doubt surprise you.
KC9MEN Rating: 5/5 Sep 20, 2009 20:13 Send this review to a friend
Great Antenna  Time owned: 0 to 3 months
I hit repeaters 75 miles away...Good tip on tapping end on floor to get wires out to connect...had to use all my strength to lift it on 20 foot mast. I hope I don't ever have to take it down. Great antenna. Great price on Ebay $115.00 delivered. Get one and you won't be dissapointed
W8DEC Rating: 5/5 Nov 13, 2008 07:33 Send this review to a friend
Nice Antenna  Time owned: more than 12 months
I purchased the Tram 1481 at Dayton 2005. I've never had a problem with it. I run Belden 9913 with Amphenol 831SP PL-259's. I practically can reach any repeater I want.

A nice antenna with a nice signal.
N1RIK Rating: 4/5 Apr 6, 2008 19:48 Send this review to a friend
Good Performer for the Price  Time owned: 0 to 3 months
I have only had this antenna up for a month at this point. It's mounted about 35 feet above the ground on my friends house hooked to my 2m and 440 repeaters. I replaced my Hustler G7 with this antenna so I could move my 440 repeater to the same location with my 2m repeater. It's working quite well so far with a Comet CF-4160J mobile duplexer (diplexer) hooked up inline to interface the two repeaters. I have noticed the wind can make it sway a bit, however the advantage of having my antenna only 35 feet above the ground is that the winds aren't too bad. The performance on 2 meters is the same as my Hustler G7.

I was running my Tram 1480 vertical on my 440 repeater at the old site. That antenna will soon be utilized as a remote receiver for my 2 meter repeater. Like the 1480, I wrapped the joints of my Tram 1481 with silicone self-fusing wrap and put lots of silicone on the antenna to make sure it could be as water tight as possible.

For $95 plus shipping, this was an excellent deal.

I would of given this antenna a 5 instead of a 4, however I have an issue with the antenna mount.

The rings that go onto the aluminum sheeth were too big, and would wiggle after I tighted them with the locking screws. This could create duplex noise, and cause the antenna mount to fail. I had to modify the mount using electrical tape to give the sheeth some more width, while still makign provisions to give a good ground contact. The mount on my Tram 1480 antenna is fine, and has been up for about 1-1/2 years. Not sure what the deal was with this particular mount.

In conclusion, I would recommend this antenna for repeater operation, and regular FM work. Just make sure you "beef" the antenna up.

Hear it on the air!!

Southern Pines, NC - 145.370 -/offset PL 179.9 hz
Southern Pines, NC - 442.250 +/offset PL 179.9 hz

73 ~ Bill, N1RIK
G1LPR Rating: 5/5 Apr 2, 2007 14:08 Send this review to a friend
Does more than it says  Time owned: 6 to 12 months
I needed a semi innocent dual band, and this fitted both my pocket and my needs, What i didnt know was how versatile it was, Ok i know the NOAA sats are only a few Mhz away but the results took me by suprise !
I only tried it for fun and i know my 817-nd does not really have the fm deviation needed, even the fact that its only about 12Ft from the floor and partly hidden by the house wall did not seem to upset the noaa pics too much either.

Oh and it survived an ice storm and some pretty nasty winds even though i didnt expect that either !
KD8DEY Rating: 5/5 Mar 17, 2007 11:17 Send this review to a friend
Great Antenna  Time owned: 0 to 3 months
Was looking for a good dual band antenna. after looking at the other manufacturers models with the same gain ratings here on eham, I came across the tram. Turns out this was the only one that I found that didnt have a bunch of minor problems or "pet peeves" scattered throughout the reviews. Assembly was simple. Nicely built, and was able to get it at a great price (appx 112.00 buy it now including shipping) delivered through an antenna dealer on E-Bay. works great even if I did use a little 11-m technology during assembly. (didnt have any silicone to seal the antenna joints so I wrapped them with electrical tape Hi Hi) Pretty tall antenna
KD7WPQ Rating: 5/5 Nov 1, 2006 20:13 Send this review to a friend
This thing makes the trip  Time owned: 0 to 3 months
I don't have a mobile unit or a base station, just a THF6A handheld but on just 4 watts of power and sometimes just 2, this thing makes the trip from my home town to some very busy repeaters in the next state over.

Granted the repeaters are on mountains this thing still makes a good trip loud and clear. 50 to 75 miles. (Keep in mind we have mountains here, not hills like those down south, real mountains, IE the rockies!)
KD8BFB Rating: 5/5 Oct 31, 2006 18:32 Send this review to a friend
In-freakin-credible  Time owned: 0 to 3 months
I bought this antenna to replace a homebrew 2 meter antenna, and I am just amazed at the difference. I have the antenna 35 feet in the air, and on low power, I am hitting repeaters 75+ miles away. With my TH-F6A on it at 50mw, I am full-quieting into a repeater 20+ miles away.
I read one of the other posts that it is hard to put together. I didn't have a bit of trouble.
Also, the SWR is pretty flat. My SWR goes from a 1:1 to a 1.2:1. I think that the 1.2 is at the low side of 2 meters. I would recommend this antenna very very highly!
W5GNB Rating: 4/5 Feb 26, 2006 08:19 Send this review to a friend
Very nice antenna  Time owned: 3 to 6 months
This antenna is being used on a repeater site in WINDY New Mexico. We are feeding both a 440 and 2-meter repeater into it. WORKS GREAT. The SWR is FLAT and we have no duplexer problems at all.

The only problem we have found is by mounting the antenna on top of the tower where the upper portion is not supported, the wind will tend to lean the antenna back, this will reduce the fringe area range of the antenna for the duration of the wind blowing.

Problem was fixed by side mounting the antenna just below the top of the tower.

I would HIGHLY recommend it for repeater use.

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