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I am trying to research some problems with a old install and am curious about other channels in the UNII 5.8 GHz band as related to

It seems 11a defines

lower band channels as 36,40,44,48
mid band channels as 52,56,60,64
upper band channels as 149,153,157,161

I was told there are other channels defined in the 5.8GHz bands but not used in 11a

Channels 34,38,42,46,100,104,108,112,116,120,124,128,132,136,140,165

I am trying to search FCC documents but so far have not been able to find these other channels defined, or is this not defined by the FCC or applicable to another country?

Any suggestions would be appreciated.

KentSter00

IEEE 802.11a 17.3.8.3.2 Channel numbering

Channel center frequencies are defined at every integral multiple of 5 MHz above 5 GHz. The relationship between center frequency and channel number is given by the following equation:

Channel center frequency = 5000 + 5 × nch (MHz) (1)
where nch = 0,1,…200.

This definition provides a unique numbering system for all channels with 5 MHz spacing from 5 GHz to 6 GHz, as well as the flexibility to define channelization sets for all current and future regulatory domains.

17.3.8.3.3 Channelization

The set of valid operating channel numbers by regulatory domain is defined in Table 88.

Figure 119 shows the channelization scheme for this standard, which shall be used with the FCC U-NII frequency allocation. The lower and middle U-NII sub-bands accommodate eight channels in a total bandwidth of 200 MHz. The upper U-NII band accommodates four channels in a 100 MHz bandwidth. The centers of the outermost channels shall be at a distance of 30 MHz from the band's edges for the lower and middle U-NII bands, and 20 MHz for the upper U-NII band.

The OFDM PHY shall operate in the 5 GHz band, as allocated by a regulatory body in its operational region.

The center frequency is indicated in Figure 119; however, no subcarrier is allocated on the center frequency as described in Figure 117.

In a multiple cell network topology, overlapping and/or adjacent cells using different channels can operate simultaneously.

http://www.cisco.com/univercd/cc/td/doc/product/wireless/airo1200/accsspts/ap120scg/bkscgaxa.htm#49268

This may help.