[ARC5] MF and the ARC-8 system

[J Mcvey]

I was looking at some art-13's and noticed that not all of them had the VFO for MF. Many just have a blank plate installed in that position. The native coverage is 
of the The earlier versions is 2000KHZ to 18100 KHZ.From page 1.1 of the manual dated 1952, they describe the ART-13 and ART-13A using the VFO MF modules . Module 016/ART-13 appears to be the most desirable, allowing the the tuning range of 200-1500 KHZ while the 017/ART-13 tunes 200-600KHZ . 

The ART-13B variant used the crystal controlled MF oscillator module CDA-T which tunes 200-1500 KHZ, but with 4 slectable channels. It appears from the way it is written,  that the ART-13B is not compatible with VFO MF modules. 

The companion receiver for for MF operation is the BC-348-E . the earlier B and C models did not have the 200-500 KHZ band.