Calling All Cars

FreeOTRShows com - Phantom Bomber of Sts Peter and Paul Churches, the

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

FreeOTRShows com - Burma White Case

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

19331206BurmaWhiteCase

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

Calling All Cars 33-12-06 0002 Burma White Case (1)

002) Burma White Case

Burma White Case

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

FreeOTRShows com - York Gang Holdup

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

19331213YorkGangHoldup-streamload

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

Calling All Cars 33-12-13 0003 York Gang Holdup (1)

003) York Gang Holdup

York Gang Holdup

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

FreeOTRShows com - Human Bomb, the

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

19331220HumanBomb-streamload

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

Calling All Cars 33-12-20 0004 The Human Bomb (2)

004) The Human Bomb

The Human Bomb

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

FreeOTRShows com - Cookie Vejar Killing

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

19331227CookieVejarKilling-streamload

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

Calling All Cars 33-12-27 0005 Cookie Vejar Killing

005) Cookie Vejar Killing

Cookie Vejar Killing

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

FreeOTRShows com - Missing Mexican Sheiks

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

19340103MissingMexicanSheiks-streamload

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

Calling All Cars 34-01-03 0006 Missing Mexican Sheiks

006) Missing Mexican Sheiks

Missing Mexican Sheiks

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

FreeOTRShows com - Caliente Money Car Holdup

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

19340110CalienteMoneyCarHoldup-streamload

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

Calling All Cars 34-01-10 0007 Caliente Money Car Holdup

007) Caliente Money Car Holdup

Caliente Money Car Holdup

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

FreeOTRShows com - Skeele Kidnapping, the

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

19340117SteeleKidnapping-streamload

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

Calling All Cars 34-01-17 0008 The Steele Kidnapping

008) The Steele Kidnapping

The Smashed Windshield — 17 Jan 1934

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

The Steele Kidnapping — 17 Jan 1934

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

FreeOTRShows com - Cure of the Three Grooved Bullets

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

Calling All Cars 34-01-24 0009 Case of the Three Grooved Bullets

009) Case of the Three Grooved Bullets

Case of the Three Grooved Bullets

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

FreeOTRShows com - Castor Oil Diamond Robbery

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

Calling All Cars 34-01-31 0010 Castor Oil Diamond Robbery

010) Castor Oil Diamond Robbery

Castor Oil Diamond Robbery

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

FreeOTRShows com - Smashed Windshield, the

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

Calling All Cars 34-02-07 0011 The Smashed Windshield

011) The Smashed Windshield

The Steele Kidnapping — 7 Feb 1934

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

The Smashed Windshield — 7 Feb 1934

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

FreeOTRShows com - Times Bombing Case, the

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

Calling All Cars 34-02-14 0012 The Times Bombing Case

012) The Times Bombing Case

The Times Bombing Case

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

FreeOTRShows com - Mae West Jewel Robbery, the

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

FreeOTRShows com - Killer Hudson

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

Calling All Cars 34-02-28 0014 Killer Hudson

014) Killer Hudson

Killer Hudson

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

FreeOTRShows com - Chloroform Murder, the

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

Calling All Cars 34-03-14 0016 The Chloroform Murder

016) The Chloroform Murder

The Chloroform Murder

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

FreeOTRShows com - Dillinger Case, the

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

Calling All Cars 34-03-21 0017 The Dillinger Case

017) The Dillinger Case

The Dillinger Case

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

FreeOTRShows com - Spinoza Case, the

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

Calling All Cars 34-03-28 0018 The Spinoza Case

018) The Spinoza Case

The Spinoza Case

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

FreeOTRShows com - Red Rose Girl, the

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

Calling All Cars 34-04-04 0019 The Red Rose Girl

019) The Red Rose Girl

The Red Rose Girl

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

FreeOTRShows com - Cut Rate Murder, the

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

Calling All Cars 34-04-11 0020 The Cut Rate Murder (7 5)

020) The Cut Rate Murder

The Cut Rate Murder

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

FreeOTRShows com - Hammers in Honduras

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

Calling All Cars 34-04-18 0021 Hammers in Honduras

021) Hammers in Honduras

Hammers in Honduras

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

FreeOTRShows com - Captain Courageous

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

Calling All Cars 34-04-25 0022 Captain Courageous

022) Captain Courageous

Captain Courageous

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

FreeOTRShows com - Murder At Southgate

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

Calling All Cars 34-05-02 0023 Murder at Southgate

023) Murder at Southgate

Murder at Southgate

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

FreeOTRShows com - Little Phil Alquin

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

Calling All Cars 34-05-09 0024 Little Phil Alquin

024) Little Phil Alquin

Little Phil Alquin

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

FreeOTRShows com - Gettle Kidnapping Case

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

Calling All Cars 34-05-16 0025 Gettle Kidnapping Case

025) Gettle Kidnapping Case

Gettle Kidnapping Case

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

FreeOTRShows com - Seven Words and a Fingerprint

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

Calling All Cars 34-05-23 0026 Seven Words and a Fingerprint

026) Seven Words and a Fingerprint

Seven Words and a Fingerprint

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

FreeOTRShows com - Dinner Party Bandits

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

Calling All Cars 34-05-30 0027 Dinner Party Bandits

027) Dinner Party Bandits

Dinner Party Bandits

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

FreeOTRShows com - Big Mail Robbery, the

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

Calling All Cars 34-06-06 0028 The Big Mail Robbery

028) The Big Mail Robbery

The Big Mail Robbery

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

FreeOTRShows com - Murder of a Soul

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

Calling All Cars 34-06-13 0029 Murder of a Soul

029) Murder of a Soul

Murder of a Soul

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

FreeOTRShows com - One of the Finest

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

Calling All Cars 34-06-20 0030 One of the Finest

030) One of the Finest

One of the Finest

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

FreeOTRShows com - Power and Light Holdup

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

Calling All Cars 34-06-27 0031 Power and Light Holdup

031) Power and Light Holdup

Power and Light Holdup

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

FreeOTRShows com - July Fourth Is a Radio Car

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

032) July Fourth In a Radio Car

July Fourth In a Radio Car

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

FreeOTRShows com - Fingerprints Don't Lie

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

Calling All Cars 34-07-11 0033 Fingerprints Don't Lie

033) Fingerprints Don't Lie

rs ep033 Fingerprints Don't Lie

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

FreeOTRShows com - Manchuko Dope Ring

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

Calling All Cars 34-07-18 0034 Manchuko Dope Ring

034) Manchuko Dope Ring

Manchuko Dope Ring

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

FreeOTRShows com - Execution of Dillinger

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

Calling All Cars 34-07-25 0035 Execution of Dillinger (1)

035) Execution of Dillinger

Execution of Dillinger

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

FreeOTRShows com - Nitroglycerin Parson

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

Calling All Cars 34-08-01 0036 Nitroglycerin Parson (7 5)

036) Nitroglycerin Parson

Nitroglycerin Parson

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

FreeOTRShows com - Corpse in the Desert

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

Calling All Cars 34-08-08 0037 Corpse in the Desert

037) Corpse in the Desert

Corpse in the Desert

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

FreeOTRShows com - Crooks Are Human Beings

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.

Calling All Cars 34-08-15 0038 Crooks Are Human Beings

038) Crooks Are Human Beings

Crooks Are Human Beings

Calling All Cars aired from 29 Nov 1933 until 8 Sep 1939 and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation.