Amateur Radio Station WA2FNQ
The Transmitter Room
Pictues with detailed descriptions.
The picture on the left is the VHF-UHF FM transceivers. There is
an ICOM IC-280 for 2 meters. There is also an old SBE SB-144 used for
transmitting on several crystal controled frequencies including 145.70 MHz.
The latest addition is an ICOM IC-2100H which has been modified for hi-fi transmit audio.
Off air monitoring on 2 meters is done using a specially wide band modified
Regency HR-2. Higher power operation on 2 meters is achived using Mirage
B-35-G and B-2516-G amplifiers or a homebrew 4CX250B under the workbench.
The Clegg FM-21 is on 223.5 MHz simplex. Operation on 70-cm FM is done using
a Kenwood 401B and RF Concepts RFC 4-310 amplifier. The antenna for
2 meters/70-cm is a Diamond X-510. The antenna for 223.5 MHz is an AEA
The picture on the right shows some of the equipment on the workbench.
This is the equipment under the workbench. The rack with blank
panels on the left is the 70-cm ATV transmitter. It contains T/R switching,
the IPA, the HPA and spare ATV exciter. The main ATV exciter sits on top of
the next rack to the right which has the homebrew 4CX250B amplifier for 2
meters mounted at the top. In the bottom of the rack is the Astron RS-35M
power supply for all the stations solid state HPAs. Next to this rack is the
old Wells Gardner RAO-5 receiver and a hombrew 40 meter CW transmitter, both
not in use when this picture was taken.
The picture on the left shows the Scientific Atlanta Model 6380
Stereo/SAP generator for the ATV transmitter. The 2 Astron power supplies run
the packet equipment. Barely visible under the workbench are 2 RF Concepts
RFC 4-32 amplifiers used on the UHF packet links. There is also a TEKK
dataradio for the UHF side of the packet mailbox.
The view on the right is looking down the row of HF transmitters.
These include an old Eico 753, a Uniden 2610, the homebrew 4-400 transmitter
and the linear AM rig. At the end is the Layfayette HA-410, the homebrew 10
meter transmitter a Heatkit DX-40 and VF-1 VFO. Other pieces of equipment in
this picture are WGLIs old TFT modulation monitor in the rack with 2 Kahn
receivers, an old RCA scope used for modulation monitoring and a spare
Left is the WA2FNQ-4 packet BBS computer under the parts bins.
It is a 486-66 running FBB 7.00g.
Right is the FlexNet node computer and an old IBM XT used as a