modification

252 links - and 3 categories

A Hairpin match for 5 el. Tonna - PA2HJS
An interesting modification to improve the gain of your 5 element Tonna Yagi beam for ...

[ Hits: 1964 | Votes: 3 | Rating: 5.67 ]

MFJ-940 modification
The MFJ 940 VERSA TUNER II is a useful little antenna tuner for the HF ...

[ Hits: 2647 | Votes: 2 | Rating: 7.5 ]

Acom 1000 70 Mhz modification
ACOM 1000 modification uses electric band switching such that both 6m and 4m operation can ...

[ Hits: 1676 | Votes: 0 | Rating: 0 ]

Heathkit SB-220
The Heathkit SB 220 two 3 500Z amplifier made a notable impact in the world ...

[ Hits: 3825 | Votes: 2 | Rating: 5.5 ]

YAESU FL-2100Z Amplifier Repairs
The FL 2100Z amplifier referenced in the following images is the 6 Band model covering ...

[ Hits: 3480 | Votes: 8 | Rating: 7.25 ]

Modifications for the Kenwood TS-850
Another good collection of TS-850 modifications

[ Hits: 2712 | Votes: 1 | Rating: 10 ]
Two Kenwood TS850 modifications
Here are two simple modifications repairs for the Kenwood TS850 HF transceiver dual receiver mod ...

[ Hits: 2954 | Votes: 3 | Rating: 5.67 ]
Mod to allow separate RX and TX Antennas
This modification will allow the use of separate receive and transmit antennas on the Kenwood ...

[ Hits: 1211 | Votes: 2 | Rating: 5.5 ]

The KA7OEI FT-817 pages
FT 817 Radio Modifications Improving the FT 817 Noise Blanker increasing output power using rechargeable ...

[ Hits: 985 | Votes: 0 | Rating: 0 ]

Modifications for the Yaesu FT-847
Some interesting mods for the 847

[ Hits: 3313 | Votes: 3 | Rating: 4 ]
FT-847 Modification for UO-12 operations
Istructions to use the IFD demodulator

[ Hits: 1157 | Votes: 1 | Rating: 1 ]

FT-897D Modification sheet
Lot's of FT 897 and FT 857 modifications in a single PDF file

[ Hits: 15168 | Votes: 20 | Rating: 5.75 ]

Yaesu VX-2R at wikipedia
Wikipedia page dedicated to the popular Yaesu VX-2R transceiver, include informations on modification.

[ Hits: 1363 | Votes: 1 | Rating: 10 ]

Modifications to the Ameritron AL-1200 Amplifier
This page describes two modifications W8WWV made to his AL 1200 amplifier The mods were ...

[ Hits: 3044 | Votes: 4 | Rating: 2.75 ]
AM-6154 FAA Amplifier circuit conversion
AM-6154 222MHz grid Conversion Information by N0UK

[ Hits: 1510 | Votes: 3 | Rating: 6.33 ]

KENWOOD TL-922 Modifications
Allow 9 bands and 1300 Watt output on the TL 922 amplifier with this document ...

[ Hits: 2844 | Votes: 9 | Rating: 3.89 ]

Rotator Brake Delay and Protection Circuit
A rotator modification by W4ZT

[ Hits: 1390 | Votes: 0 | Rating: 0 ]

Yaesu FT-1000D HiFi SSB Audio and Mods
Using Hi-Fi Audio with FT-1000. Includes many FT-1000D modifications too by K6JRF

[ Hits: 4820 | Votes: 9 | Rating: 5.44 ]
FT-726 AUDIO Modifications
Throughput improvement for the FT726R - Tapr PSK modem

[ Hits: 816 | Votes: 0 | Rating: 0 ]