[Antennas] rg108 (think its twinax)

[Gary Lee]

Ran across some rg108 while looking at the davis rf site.  After a google, 
came up with the following specs.
My question is, would this make decent qrp shielded balanced line for runs 
of 50 feet or less?  Thought it might make a usable alternative.

specs:

M17/45-RG108 TWINAXIAL CABLE
Teldor P/N 6310810101
Additional Information
1. GENERAL DESCRIPTION
This is a 78 Ohm twinaxial cable for data processing and information systems
up to 10 MHz, 750 V rms maximum at -40 + 85C.
The cable has two 20# insulated conductors, twisted to form a balanced
pair.
The pair is shielded with a TC braid, and the jacket is made of black,
heavy-duty, non-contaminating FR-PVC.
The cable is made per MIL-C-17E.
2. CONDUCTORS
    2.1. Construction : Stranded, 7x0.32 mm, 20 AWG.
    2.2. Material     : Tin coated copper.
                        Note: One conductor has a single BC strand.
    2.3. OD           : 0.96 mm nom.
3. INSULATION
    3.1. Material  : Solid LDPE.
    3.2. O.D.      : 2.0 mm nom.
    3.3. Color Code: Clear x Clear.
4. OVERALL SHIELD
    4.1. Construction: Braid.
    4.2. Material    : Tin-coated Copper, 0.127 mm wires.
    4.3. Coverage    : 87% min.
5. OUTER JACKET
    5.1. Material  : Black, non-contaminating PVC compound.
    5.2. Thickness : 0.95 mm nom.
    5.3. O.D.      : 6.0 mm nom.
    5.4. Marking   : TELDOR 6310810101 MIL-C-17 M17/45-RG108 +
                     + Batch No.
6. ELECTRICAL SPECIFICATIONS
    6.1. Dielectric strength : 2000 V rms \ 1 Min.
    6.2. Impedance           : 78±7 Ohm above 1 MHz.
    6.3. Capacitance         : 80.3 pF\m max. @ 1 KHz.
    6.4. Attenuation         : 91.8 dB\Km max @ 10 MHz.
    6.5. Vp                  : 66% nom.
    6.6. DC Resistance       : 34.6 Ohm/Km max. @ 20C.
    6.7. Cap. Unbalance      : 5% max.
7. MECHANICAL SPECIFICATIONS
    7.1. Weight: 44 Kg/Km nom.

THanks for your wisdom.
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