VCF0925 Contact with House Challenger: Heard on Radio

QUESTION:
---------
Which ones?
RESPONDENT HEARD [challenger] ON THE RADIO

VALID_CODES:
------------
1.   Yes
5.   No

MISSING_CODES:
--------------
9.   NA if contact made (9 in VCF0919); NA VCF0920-926;
     no Post IW; Washington D.C.; telephone IW
     (1984);  short form IW (1992)
0.   Incumbent candidate unopposed or not running; no
     contact; only contact mentioned is an unspecified
     "other"; challenger not in major party
Inap. question not used

NOTES:
------
See VCF0919.

WEIGHT:
-------
VCF0009/VCF0009a

TYPE:
-----
Numeric  Dec 0

SOURCE_VARS:
------------
1978:  782049
1980:  800935
1982:  820192,820219,820229
1984:  840952
1986:  860237
1988:  880732
1990:  900255
1992:  925508,925519
1994:  940508,940519