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Thread: So,I bought this!

  1. #1
    Master Navigator W5IEI's Avatar
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    So,I bought this!

    FS: Kenwood TR-751A all mode
    *****SOLD TO MIKE W5IEI*****I have a very nice Kenwood TR-751A all mode 2 meter radio. No issues, works 100%. It has the TU-7 tone board for repeater use. Copy of the manual, MIC and quick release mobile mount. Non smoker.
    Asking $260 ship. HI and AK pay a little extra on shipping.
    Listing #859383 - Submitted on 10/06/10 by Callsign KE6TE, Modified on 10/07/10

    I'm going to try my hand at weak signal VHF.

    I'll be putting this up @ 75 ft
    http://texasantennas.com/index.php?o...d=132%20%20%20

    What are your experieces with VHF?
    I really don't know what to expect.
    Mike
    Ummmm, no I'm not peeing in my gas tank :)

  2. #2
    Master Navigator W5IEI's Avatar
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    P.S.
    My antenna will be tuned for 144.
    Ummmm, no I'm not peeing in my gas tank :)

  3. #3
    Orca Whisperer W3WN's Avatar
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    I saw that listing. Enjoy!

    I had picked up the older Kenwood mobile multi-mode 2 meter rig, but it got sold off when we lost the previous QTH. But one day!
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  4. #4
    Conch Master KJ3N's Avatar
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    Quote Originally Posted by W5IEI View Post
    What are your experieces with VHF?
    I really don't know what to expect.
    Without enhancements, I would say that contacts out to 100-300 miles is typical, depending on height of antenna. With enhancements like tropo and Es, it could well be 1500 miles+.


    I can only offer the following anecdotal experiences. These may not be typical where you live.

    From 100 feet ASL, with an 8-element beam, and 100 watts: Claymont, DE to Kansas City, MO. That's about 1,000 miles.

    From 400 feet ASL, with a 13-element beam and 50 watts: Wilmington, DE to Huron, SD. That's about 1,200 miles.

    Both of those cases were due to enhancements; either tropo, Es, or a combination.

    YMMV
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  5. #5
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    Quote Originally Posted by KJ3N View Post
    Without enhancements, I would say that contacts out to 100-300 miles is typical, depending on height of antenna. With enhancements like tropo and Es, it could well be 1500 miles+.


    I can only offer the following anecdotal experiences. These may not be typical where you live.

    From 100 feet ASL, with an 8-element beam, and 100 watts: Claymont, DE to Kansas City, MO. That's about 1,000 miles.

    From 400 feet ASL, with a 13-element beam and 50 watts: Wilmington, DE to Huron, SD. That's about 1,200 miles.

    Both of those cases were due to enhancements; either tropo, Es, or a combination.

    YMMV
    ASL (Above sea level), or AGL (Above ground level)?

    I only ask for clarification, because I can foresee you having a 400 ft tower :)
    Big Giant Meteor 2020 - We need to make Earth Great Again

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  6. #6
    Orca Whisperer PA5COR's Avatar
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    Running just 50 watts SSB on 2 meter with the FT 847 and Flexa 11 element beam at 55 feet above ground Sporadic E Europe, 1100 km's Italy from here the Netherlands, France, Germany, UK, Poland, Finland, Ukraine ( 1560 km) Sweden, Spain, Ireland, Portugal, And Switzerland, just this year.

    The beam has 12.8 dBd, coax loss is 0.7 dB ( Ecoflex 15 extreme low loss 5/8 ")

    Good condx will go from 800 - 1900 KM or further here, daily reach with a station with decent antenna is 400 Km's ( Ruhr area)
    N Connectors throughout the station on 70/2 , for 70 there is a 23 element Flexa yagi with 15.4 dBd.

    Higher = better, no direct trees or buildings in your path is a must.
    Adding a low noise pre amp near the antenna will enhance your weak signal reception.
    Get a decent amp, 200 to 500 watt i use a homebrew transistor amp with 2 x the MRF 247 build 25 years back.( Class AB1)
    It's addicting.... i know ;)
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  7. #7
    Pope Carlo l NQ6U's Avatar
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    Tropo ducting is common on 2m SSB between SoCal and Hawaii during the late summer--2700 miles.
    All the world’s a stage, but obviously the play is unrehearsed and everybody is ad-libbing his lines. Maybe that’s why it’s hard to tell if we’re living in a tragedy or a farce.

  8. #8
    Conch Master KJ3N's Avatar
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    Quote Originally Posted by KC2UGV View Post
    ASL (Above sea level), or AGL (Above ground level)?

    I only ask for clarification, because I can foresee you having a 400 ft tower :)
    It's not a typo. ASL

    AGL would have been no more than 25 feet in either case.
    Last edited by KJ3N; 10-08-2010 at 11:16 AM.
    "People Who Don't Want Their Beliefs Laughed at Shouldn't Have Such Funny Beliefs" -AD5MB

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  9. #9
    Orca Whisperer
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    Quote Originally Posted by KJ3N View Post
    It's not a typo. ASL

    AGL would have been no more than 25 feet in either case.
    Wow! I've got some faith for my setup now :) Seriously, I figured you had a 400ft tower though :)
    Big Giant Meteor 2020 - We need to make Earth Great Again

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  10. #10
    SK Member (12/16/2011) W3MIV's Avatar
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    Quote Originally Posted by KC2UGV View Post
    Wow! I've got some faith for my setup now :) Seriously, I figured you had a 400ft tower though :)
    It's Delaware, not Montana.
    73 de Albi

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