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Yaesu FT-897D Tri-band Aerial Question |
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| 2E0JTP
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Posted: Nov 4 2009, 11:55 AM
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Post #4043
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They are separate, so you need something like this if you want to use a single antenna:  MX-62M Diamond HF & 6m/2m/70cm Duplexer, sells for about £70 One lead does 1.6 - 56MHz The other lead does 140 - 470MHz As for power supply, you're right, the Yaesu one is ridiculously expensive. However, I would suggest spending good money (£100ish?) on a decent one though. It would be a shame to fry your £600(?) radio because a cheap power supply goes faulty. |
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| radioFAB
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Posted: Nov 6 2009, 02:47 PM
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Post #4049
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| QUOTE (Riverside @ Nov 6 2009, 12:40 AM) | I had both the FT290r and 790r back in the early 80s, both mk1 versions. As I remember they were good little rigs, the 290 was a bit deaf and the prefered mod was to fit a Mutek "front end" basically a very low noise pre amp. It sure did work, but played havoc when the rig was used as a prime mover for 23cm, with a Microwave Modules 1296 transverter!
I remember the 290 cost me £229 new. What is that now with 25 years inflation. Seem to remember buying a BNOS 50W linear for it not long after at £109. Guess that makes the 897 a bargain as an all mode 2m 50w rig alone!
Whats this bit of paper.........receipt for a Sony 16" colour tv with teletext add on board........1982...........£429.95!!!!!!!
Just shows how electronics have become very inexpensive in real terms.
Cheers, Bill, G6BCC |
A lot of the amateurs in the local club had FT-290, at the time I started with an FT-480 then added a FT-780 they were mount one above the other looked really nice, but I remember a mod that needed to be done on the FT-480 something to do with channel steps, but I can’t remember the exact reason, what reminded me of it was how big the chip was as found the old one still in my draw a V1614042SB82 looks like 64 legs on it.
Your TV I know exactly what you mean, I worked in a TV repair shop many moons ago and a 26” Telefunken or Saba TV you were looking at something round £500 and in the 70’s that was big money, most people still had monochrome TV’s anyway, our main TV then was a GEC 22” with no remote control just a track from the sofa to the TV, mind you not much channel hopping in those days. Do you remember the old ultrasonic remotes every time you pushed a button your if you had a dog he or she would attack you, and a squeaky door hinge would change channels, oh! they were good times, well I think they were!
That’s it I will stop waffling.
All the best.
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| Riverside
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Posted: Nov 7 2009, 02:10 AM
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Post #4050
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Dont get me going on old TV sets.
Alright then.
The first TV I can remember, as a wee kid, was a PYE Continental, circa 1962. I'd be about 4. I still have the receipt. It was my Fathers first TV and he bought it in 1956 for 89 guineas, new. It ate valves.
Seem to remember an Echo? set after that which had built in radio for mw, lw and FM. When Dad went high definition with an Ultra 19" dual standard TV in 1968/9 ish, I remember a funny wee PYE radio set appeared, def not new, in a blue rexine case, about the size of a proper shoebox. It had short wave!
We got colour quite late, 1973, a bloody enormous "Korting" 26" brute. Superb picture, but again it ate valves!
My Dad was always into picture quality, so when the first Sony set caught his eye in 1982 he never looked back. It never broke down.
I still have the families first portable TV, a Perdio Portorama mk 1, 1961 ish? which was last used to watch the very last transmission from Holme Moss, VHF, 405 lines, 1984? It sits here in the shack, looking as new, alongside an HMV 102 gramophone from 1923. I dare not power it up! The 102 is used regularly btw!!!
Regards, Bill, G6BCC
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| gw8asd
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Posted: Nov 8 2009, 12:01 PM
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Post #4054
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For SSB you really do need to be horizontally polarised. Even if you only use a horizontal omni, say a halo or clover leaf (big wheel), you will avoid the cross polarisation loss of 20db or more that would limit your possible contacts. A beam would be even better.  Many people go on 2M, 4M and 70cm, SSB using a vertical and are convinced that the bands are dead when, often, that is far from the truth. It would be a pity to waste the SSB facility. Cheers Tony |
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50MHz and above from IO83lb |
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