[TowerTalk] belden

[Jim Smith]

    Hi Michael,
here are the specs in my book:

    150 degree C, NEC type CMP, #20 (solid) .032" dia. bare copper
stranding, 9.9 ohm/M' or 32.5 ohm/km Nom. D.C.R., FEP Teflon insulation,
0.185" or 4.7mm core O.D., 0.271" or 6.88mm Nom. O.D.
    Tinned copper double braid, 98% shield coverage, 1.1 ohm/M' or 3.6
ohm/km, Nom. impedance 75 ohms, velocity of propagation 69.5%, Nom.
capacitance 19.5 pF/ft. or 64 pF/m, black fluorocopolymer jacket.
    Nominal attenuation:
MHz      db/100'      db/100m
1              0.24              0.8
10            0.78              2.6
50            1.9                6.2
100          2.8                9.2
200          4.2              13.8
400          6.5              21.3
700          9.5              31.2
900        11.4              37.4
1000      12.3              40.3

    Jim Smith, KQ6UV

----- Original Message -----
From: "Michael J. O'Connor" <kn9t@webtv.net>
To: <towertalk@contesting.com>
Sent: Saturday, September 16, 2000 1:49 PM
Subject: [TowerTalk] belden


>
> Can anyone pass along some specs on Belden
> 88281 75 ohm coax E34972 200dgr C 20awg
> type cl2p. Cable says its made with dupont teflon fluorocarbon resin.
> Would like to make a
> quarter wave High power transformer and not sure what cable is . RF ,
> Audio, CATV ?
> Thanks KN9T
>
>
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