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Interference Between Older and Newer Dog Tracking Handhelds

Newer dog tracking devices use a channel number system that is different from the older Astro® 220 and Astro® 320 series Comm. ID system. This can cause interference. To resolve this, you can change the dog's ID number to one that is not in use already, or put more distance between you and other hunters within radio range. 

  • Older Astro 220 and Astro 320 Dog Tracking Handhelds
  • Newer Alpha® 200, Alpha® 200i, Alpha® 300, Alpha® 300i,  Alpha® 100, and Astro® 430 Dog Tracking Handhelds

Select an option below for charts and more information. 

A Newer Model Dog Tracking Handheld is Conflicting With Older Handhelds in the Area

If you are using a newer Alpha 100, Alpha 200i, or Astro 430 handheld the chart below describes how Alpha and Astro 430 system channel numbers are related to Astro 220 and 320 Comm. IDs.

Example: Alpha and Astro 430 system ID numbers are followed by a dash and a number (e.g. 1-0). Since channel 1 dash 2 (1-2) meets Astro 220 and 320 ID's 3 and 8, these Comm ID's cannot be used as they would cause interference. The Alpha or Astro 430 ID will need to be changed to another channel or dash. For example, change the ID to 1-4 or 2-0.

Alpha and Astro 430 channel12345
Alpha and Astro 430 Dash Number

Astro 220 and 320 Comm. ID

0     1     2

3     813   1823   2833   3843   48
4     5     64     9   14   1924   2934   3944   49
8     9    100     510   1520   2530   3540   45
12   13   141     611   1621   2631   3641   46
16   17   182     712   1722   2732   3742   47
3     7     11If all other Alpha channels have been attempted, utilize an Alpha channel ending in one of these dash numbers (e.g. 1-3, 1-7, 5-19, etc)
15   19

Changing ID Settings for a Newer Handheld 

Collars must be on and paired with the handheld before changing settings.

Changing ID on Astro 430 Handheld

  1. Navigate to Dog List
  2. Select a dog
  3. Select Show Info
  4. Press Menu
  5. Select Change ID
  6. Select an unassigned and nonconflicting ID

Changing ID on Alpha 100 Handheld

  1. Navigate to Dog List
  2. Select the dog device you need to adjust
  3. Select Show Info
  4. Press Menu icon
  5. Select Change ID
  6. Select an unassigned and nonconflicting ID

Changing ID on Alpha 200 or Alpha 200i Handheld

  1. Navigate to Dog List
  2. Select the dog device you need to adjust
  3. Press Menu Icon
  4. Select Change ID
  5. Select an unassigned and nonconflicting ID

An Older Handheld is Conflicting With Newer Handhelds in the Area

If you are using an older handheld like an Astro 220 or Astro 320, the below ID mapping chart is set up to show how Astro 220 and 320 Comm. IDs are related to Alpha and Astro 430 ID numbers.

Example: Astro 220 and 320 system Comm. ID's consist of two digits. If the ID is configured to 0 (00) or 5 (05), the Alpha or Astro 430 system ID's 1-8, 1-9, 1-10 will cause interference with the collar. The Astro 220 or 320 ID will need to be changed from 0 or 5. For example, change the Comm. ID to a 1 (01) or 6 (06).

Astro 220 and Astro 320 First Digit01234
Astro 220 and Astro 320 Second Digit

Alpha Series and Astro 430 ID

0     5

1-8, 1-9, 1-102-8, 2-9, 2-103-8, 3-9, 3-104-8, 4-9, 4-105-8, 5-9, 5-10
1     61-12, 1-13, 1-142-12, 2-13, 2-143-12, 3-13, 3-144-12, 4-13, 4-145-12, 5-13, 5-14
2     71-16, 1-17, 1-182-16, 2-17, 2-183-16, 3-17, 3-184-16, 4-17, 4-185-16, 5-17, 5-18
3     81-0, 1-1, 1-22-0, 2-1, 2-23-0, 3-1, 3-24-0, 4-1, 4-25-0, 5-1, 5-2
4     91-4, 1-5, 1-62-4, 2-5, 2-63-4, 3-5, 3-64-4, 4-5, 4-65-4, 5-5, 5-6

Change ID settings on an Older Handheld 

Collars must be on and paired with the handheld before changing settings

Changing ID on Astro 220, Astro 320, and Astro 430 Handhelds

  1. Navigate to Dog List
  2. Select a dog
  3. Select Show Info
  4. Press Menu
  5. Select Comm. Settings
  6. Select an unassigned and nonconflicting ID

Additional Information: Radio Frequencies and ID Numbers

The following data describes the five MURS Radio Frequencies used in the Astro and Alpha training systems. This also describes how the ID numbers and channels relate to those frequencies. This information is not exactly necessary to fix any interference, but only to describe how the older and newer systems use the five possible radio frequencies.

  • 151.820 MHz = Astro 220, 320 (Communication Settings 00 – 09) = Alpha 200i, Alpha 100, Astro 430 (Channel 1)
  • 151.880 MHz = Astro 220, 320 (Communication Settings 10 – 19) = Alpha 200i, Alpha 100, Astro 430 (Channel 2)
  • 151.940 MHz = Astro 220, 320 (Communication Settings 20 – 29) = Alpha 200i, Alpha 100, Astro 430 (Channel 3)
  • 154.570 MHz = Astro 220, 320 (Communication Settings 30 – 39) = Alpha 200i, Alpha 100, Astro 430 (Channel 4)
  • 154.600 MHz = Astro 220, 320 (Communication Settings 40 – 49) = Alpha 200i, Alpha 100, Astro 430 (Channel 5)

 

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