TV channels & antenna towers in Rock Valley, Iowa

Rock Valley is a town of about 3,690 people in Iowa. Within 70 miles of the town center we count 29 licensed TV transmitters: 13 full-power, 14 low-power and 2 translators. Based on each transmitter's power, antenna height and distance, 15 are likely to arrive at fair strength or better, and 6 at good or strong strength.

By distance, 9 transmitters are within 25 miles, 11 between 25 and 45 miles, and 9 farther out. Four of the 7 network stations in range are licensed to Sioux Falls, SD, so most of the network channels you will find here come from Sioux Falls's stations.

The strongest network signals here are ABC on channel 13 (KSFY-TV), Fox on channel 46.2 (KDLT-TV), CW on channel 4.2 (KTIV) and ION on channel 36 (KSFL-TV). No CBS affiliate is listed within 70 miles; the nearest one in our data is KMTV-TV in Omaha, NE, 132 miles to the south. No NBC affiliate is listed within 70 miles; the nearest one in our data is WOWT in Omaha, NE, 132 miles to the south. 6 full-power stations in range have no network listed in our data; these are typically public television, religious, shopping or independent stations.

Point your antenna NNW, at about 329°. The main network towers for Rock Valley sit in that direction, so a single directional antenna can pick them all up.

Four network stations, KDLT-TV, KELO-TV, KSFY-TV and KSFL-TV, transmit from the same tower site about 25 miles northwest of Rock Valley (328° NNW). Aim there first: one setting covers all of them.

Of the 7 full-power and Class A network signals that reach Rock Valley at fair strength or better, 57% arrive from the northwest; the rest are spread across one other direction.

All of the main network towers are within their radio horizon as seen from Rock Valley, so signals arrive fairly directly and a well-placed antenna should hold them steadily.

The farthest main network tower for Rock Valley is KSFY-TV (ABC), 25 miles away with a fair estimated signal. That is why we suggest an amplified indoor or attic antenna here. If you only watch the closer stations, a smaller antenna may do.

An amplifier only helps here if you run a long cable (over about 50 feet) or split the antenna to several TVs. Otherwise better placement does more. See the amplifier guide.

With 15 stations at fair strength or better, Rock Valley ranks 25th of 285 places in Iowa: more than the typical Iowa town (11). Its nearest major network tower is 25 miles away, against a state median of 34 miles.

44% of Iowa's cities and towns get the same recommendation: an amplified indoor or attic antenna. The nearest larger city is Sioux Falls, 31 miles away.