Bird
| Pix | Model | Type | Quicknote |
|---|
 | 43 "Thruline" | Directional wattmeter | 0.45-2700 MHz depending on "plug" |
| 4431 "Thruline" | Directional wattmeter | Built-in variable RF signal sampler |
DSI Instruments
| Pix | Model | Type | Quicknote |
|---|
| 3550 | Frequency counter | 0.05-550 MHz |
Kenwood/Trio
| Pix | Model | Type | Quicknote |
|---|
| DG-5 | Digital readout/Frequency counter | For TS-520S |
| SM-220 | Station monitor |
|
Mizuho
| Pix | Model | Type | Quicknote |
|---|
| DX-555 | Frequency counter | 0.44-30 MHz |
| DX-555D | Frequency counter | 0.44-30 MHz |
Yaesu
| Pix | Model | Type | Quicknote |
|---|
| YC-500J | Frequency counter | 500 MHz |
| YO-301 | Monitor scope |
|
|
